I/I E> R.ARY OF THE UNIVERSITY Of ILLINOIS S3O.7 Ufcb AGRICULTURE DIRCULATING CHECK FOR UNBOUND CIRCULATING COPY 13M 1-59 673! 1958 Performance of EXPERIMENTAL CORN HYBRIDS IN ILLINOIS By R. W. Jugenheimer and K. E. Williams Location of test fields Bulletin 636 UNIVERSITY OF ILLINOIS AGRICULTURAL EXPERIMENT STATION CONTENTS Page MATERIAL TESTED 4 MEASURING PERFORMANCE 6 RESULTS OF THE TESTS 8 NORTHERN ILLINOIS: DeKalb Double Crosses (Table 2 ) 11 Three-Way, Single, and Double Crosses (Table 3) 14 NORTH-CENTRAL ILLINOIS: Peoria Double Crosses (Table 4 ) 15 Three-Way, Single, and Double Crosses (Table 5) 18 CENTRAL ILLINOIS: Urbana Double Crosses (Field A) (Table 6) 19 Double Crosses (Field B) (Table 7) 25 High-Oil Double Crosses and Standard (Table 8) 26 Three-Way Crosses and Standards (Table 9) 27 High-Oil and High-Protein Three-Way, Double, and Single Crosses (Table 10) 28 Inbred Lines and Sister-Line Crosses (Table 11) 31 Sweet-Stalk Hybrids and Standards (Table 12) 32 SOUTH-CENTRAL ILLINOIS: Brownstown Double Crosses (Table 13) 33 Three-Way, Single, and Double Crosses (Table 14) 37 PERFORMANCE OF HIGH-OIL HYBRIDS AVAILABLE FOR COMMERCIAL PRODUCTION (Table 15) 38 DOUBLE-CROSS HYBRID NUMBERS, PEDIGREES, AND INDEX TO TABLES (Table 16).. ..39 Acknowledgment is due W. T. Schwenk and Sons, Edwards, Illinois, for providing land for one of the tests. Trials in DeKalb, Champaign, and Fayette counties were located on Uni- versity of Illinois farms managed by R. E. Bell, C. H. Farnham, and P. E. Johnson. Thanks are due W. C. Jacob and Robert Seif for processing the data, and to H. M. Hayes, R. L. Harrison, V. Trifunovic, Earl Wernsman, and P. Bhatnagar for aid in field and laboratory. E. B. Earley supervised the oil and protein determinations. Urbana, Illinois January, 1959 Publications in the Bulletin series report the results of investigations made or sponsored by the Experiment Station PERFORMANCE OF EXPERIMENTAL CORN HYBRIDS IN ILLINOIS, 1958 By R. W. JUGENHEIMER and K. E. WILLIAMS' THE DEVELOPMENT AND EVALUATION of better-performing inbred lines and hybrids remain an important objective of the Illinois Agricultural Experiment Station. This report summarizes the results of performance trials of experimental corn hybrids conducted in 1958. About 750 different hybrids were compared in nearly 6,000 plots. Most of the hybrids were developed by the senior author. Data from pre- liminary tests involving specialized phases of the Illinois corn-research program are not included in this bulletin. The University of Illinois does not produce hybrid seed corn in commercial quantities. Hybrids that include new inbred lines may be produced under the "delayed-release" program adopted by the states in the corn belt. Multiplication of a new line is handled by the Station, and the production of single crosses in quantity is handled by the Illi- nois Seed Producers Association, Champaign, Illinois. If a new Illinois experimental hybrid gives satisfactory performance, the parental lines eventually are released for use by seedsmen. In order to make the results of corn research more quickly available to the public, the University of Illinois has adopted a slight modification of the "delayed-release" policy as it pertains to Illinois-developed in- bred lines. Inbred lines of corn developed by the University of Illinois may be released to the public when they have demonstrated superior combining ability for yield, standability, disease resistance, insect re- sistance, chemical composition, male sterility, or other characters. Such Illinois lines may form a part of a new hybrid or be used in other ways by corn breeders. Inbred lines of corn developed by others will not be released without their approval. Hand-pollinated seed of released Illinois inbred lines usually is available for a fee in packets containing 25 to 100 kernels. New re- leases are announced annually about April 1. Inquiries may be ad- dressed to the senior author, Agronomy Department, University of Illinois, Urbana, Illinois. Since most of the hybrids whose performance is recorded here are not yet in commercial use, the information about them is of most value to producers of hybrid seed. The 1958 performance of hybrids avail- able to farmers in commercial quantities is reported in Bulletin 635 of this Station. 1 R. W. JUGENHEIMER, Professor of Plant Genetics; K. E. WILLIAMS, Field- man in Agronomy. 4 BULLETIN No. 636 [January, MATERIAL TESTED Double crosses for consideration of seedsmen. More than 400 different double-cross hybrids were grown at four locations. The seed was produced by controlled hand-pollination. The double-cross hybrids whose performance is shown in this report and the tables in which each appears are shown in Table 16. Hybrids that were high yielding and had excellent standability are indicated by table numbers in bold- face type. Table 16 also contains the pedigrees of the hybrids tested. In the pedigrees, the order of the single crosses and of the lines in the single crosses has no significance; it does not indicate which should be used as seed or pollen parent. Illinois yellow hybrids are numbered consecutively below 2000 and above 3000. White hybrids are numbered in the 2000 series; these white hybrids are usually followed by the letter W. Hybrids that have performed well after regional testing in several corn-belt states have been designated AES (Agricultural Experiment Station) hybrids. Hy- brids in the 600 series are similar to Illinois 1277 in maturity; those in the 700 series correspond in maturity to Illinois 21; those in the 800 series correspond to Illinois 1570; and those in the 900 series to Illi- nois 1851. The letter A or B following an Illinois hybrid number indicates that the combination of inbred lines making up the hybrid has been rearranged or permuted. For example, if the original pedigree of an Illinois hybrid was (1X2) (3X4), the letter A following the number means that the hybrid was put together (1X3) (2 X 4), the letter B, (1X4) (2X3). A difference in reciprocals is not recognized in this method. When a short dash (-) followed by a number occurs as part of an Illinois hybrid number, it means that a tested related line has been substituted for one of the inbred lines included in the original hybrid. Hybrids for prediction studies. Five sets of three-way crosses dif- fering in maturity were tested in 1958. The three-way crosses in Tables 3, 5, 9, and 14 are a part of the "uniform" tests conducted coopera- tively by corn-belt states and the U. S. Department of Agriculture. Seed of the unreleased inbred lines involved in these crosses was con- tributed by the state or by the federal corn breeder who developed them. Three-way crosses whose performance is reported in Table 10 were developed by the Illinois Station and tested only in Illinois. The following individuals are responsible at the present time for collecting seed of inbred lines, making the crosses, and distributing 1959] EXPERIMENTAL CORN HYBRIDS 5 crossed seed of the entries in the cooperative uniform tests: E. C. Rossman (Michigan), N. P. Neal (Wisconsin), and G. H. Stringfield (Ohio) Table 3; J. H. Lonnquist (Nebraska), R. W. Jugenheimer (Illinois), and G. F. Sprague (Maryland) Tables 5 and 9; and W. R. Findley (Kansas), F. A. Loeffel (Kentucky), and M. S. Zuber (Missouri) Table 14. Performance of single-cross, three-way-cross, and top-cross hybrids is of interest to corn breeders, producers of hybrid seed corn, and farmers. Characteristics of single crosses such as yield, standability, and size, shape, and quality of seed definitely affect the practical pro- duction of hybrid seed corn. Some farmers are interested in growing single-cross and three- way-cross hybrids commercially because of their attractive appearance and extreme uniformity. Use of single-cross and three-way-cross data for the prediction of desirable double-cross com- binations creates additional interest in the performance of single crosses and three-way crosses. Prediction studies are an extremely valuable part of a research program. Methods are available to predict the performance of the better hybrid combinations without making and testing large numbers of undesirable crosses. For example, 1,225 single crosses and 690,900 double crosses are possible with 50 inbred lines. However, by using single-cross performance data, the corn breeder can predict which of the many possible double-cross combinations are likely to be most desirable. The following six single crosses can be made with four inbred lines: A X B, A X C, A X D, B X C, B X D, and C X D. The average performance of the four non-parental single crosses gives the predicted performance of a specific double-cross hybrid. For in- stance, the average yields of the four single crosses A X C, A X D, B X C, and B X D give the predicted yield of double cross (A X B) (C X D). The procedure in predicting acre yields and percentage of erect plants from single-cross data is shown on page 6 of Illinois Agri- cultural Experiment Station Bulletin 597. Similar predictions can be made for other characteristics. Predicted hybrid combinations, however, should always be thoroughly tested under field conditions before being put into commercial production. Three-way crosses also provide useful predictions of the perform- ance of double-cross hybrids. A large number of inbred lines can be compared, and the method is especially valuable where a desirable seed- parent single cross is available for use as a tester. Three-way crosses provide information on specific hybrids and may often eliminate the time and expense required for testing inbred lines in top crosses and 6 BULLETIN No. 636 [January, single crosses. The procedure in predicting acre yields and percentage of erect plants from three- way-cross data is also shown on page 6 of Bulletin 597. Top crosses are simple to produce and often are useful in early stages of a breeding program. For example, a single cross from the corn belt of the United States might contribute genes for high yield and standability, and an open-pollinated variety from Europe might con- tribute adaptation to local European conditions. Such top crosses might thus combine the desirable traits of the American single cross and the European open-pollinated variety. Most top crosses, however, are temporary expedients, which usually are eventually replaced by double crosses. Top crosses are useful also for evaluating the performance of inbred lines. They also provide a means of selecting promising open- pollinated varieties for use as source material for the development of inbred lines. MEASURING PERFORMANCE Trials were made at four locations: in DeKalb county in northern Illinois, in Peoria county in north-central Illinois, in Champaign county in central Illinois, and in Fayette county in south-central Illinois. These locations are representative of the soil, rainfall, and length of growing season in their respective areas. Hybrids were compared for grain yield, maturity, shelling percent- age, standability, ear height, dropped ears, and resistance to smut. Only hybrids of similar maturity were tested on the same field. A familiar hybrid whose maturity was considered the standard for the group is named in each table heading. Percentage of oil and protein in the grain was determined on special hybrids. General information concerning the tests is given in Table 1. Field plot design. Semi-balanced lattice designs were used to ob- tain the data reported in Tables 8 and 9. The data in Tables 3, 5, 10, 11, 12, 13, and 14 were obtained in randomized blocks. Rectangular lattice designs were used for the data reported in Tables 2, 4, 6, and 7. Method of planting. All plots in these tests were planted, thinned, and harvested by hand in well-fertilized fields prepared in the usual way for corn. Individual plots were 2X5 hills in area. Six kernels were planted in hills spaced 40 inches apart. Hills were thinned to 4 plants at DeKalb, Peoria, and Champaign, and to 3 plants at Browns- town. 7959] EXPERIMENTAL CORN HYBRIDS Table 1. GENERAL INFORMATION: Tests of Illinois Experimental Corn Hybrids, 1958 County" Section of state Table number Plants per hill Date of Planting Har- vesting DeKalb Northern 2-3 4-5 6-7 8-9 10 11 12 13-14 4 4 4 4 4 4 4 3 May 8 May 12 May 13 May 22 May 21 May 23 May 22 May 22 Oct. 9 Oct. 21 Oct. 28 Oct. 20 Oct. 16 Oct. 29 Oct. 23 Nov. 11 Peoria . . . North-Central Champaign Central Champaign Central Champaign Central Champaign Central Champaign Central Fayette . . . South-Central The fields are located near the following cities and towns: in DeKalb county near DeKalb, in Peoria county near Peoria, in Champaign county near Urbana, and in Fayette county near Brownstown. Acre grain yields. Acre yields are reported as shelled grain con- taining 15.5 percent moisture, the maximum allowable for No. 2 corn. Data from all plots are included in the report on yield. The only correction for imperfect stands was the following adjustment for missing hills: _ i ^ ^ 1 i / missing hills . . -\~| Ear weight in field X l+ I -J-TTT- X .7 ) = adjusted ear weight L \ hills present /J This adjustment adds 0.7 percent of the average hill yield for each missing hill, and assumes that 0.3 percent is made up by the increased yield of surrounding hills. Shelling percentage and moisture in grain. All ears from one replication of each entry were shelled immediately after harvest. The percentage of moisture in the shelled grain was determined with a Steinlite moisture meter. Stand. Counts of the number of missing hills and number of miss- ing plants were made in late summer in each plot. The data are re- ported as percentage of a perfect stand. Yields were corrected for missing hills. Ear height. Representative plants in each plot were measured to determine the distance in inches from the soil to the ear-bearing node. Erect plants and dropped ears. Percentage of erect plants and of dropped ears in each plot of each entry was determined by actual counts at the time of harvest. Stalks broken above the ear were not considered lodged. Stalks leaning less than 45 degrees were considered as erect. 8 BULLETIN No. 636 [January, Smutted plants. The number of smutted plants was recorded on all plots in late summer in fields having considerable smut infection. These data are reported in the tables as percent of smutted plants. Oil and protein content. Percentage of oil and of protein was de- termined by standard procedures on representative grain samples. RESULTS OF THE TESTS Data obtained from the tests are summarized in Tables 2 to 15. Long-time averages are more reliable indexes of the performance of hybrids than a single year's result. The parts of the tables summarizing the results of two or three years therefore deserve the most weight when the results are studied. Relative performance cannot be determined with absolute accuracy by any method of testing. Small differences between entries are seldom of any significance. In fact, small differences are to be expected among plots planted even with the same lot of seed. Variations in growing conditions such as soil fertility are reduced but not completely elim- inated by replicating the same entry several times in the same test. Unavoidable variation may be determined by a mathematical procedure known as analysis of variance. From this procedure figures may be obtained that represent the range which differences between two entries must exceed before those entries can be considered significantly differ- ent. The method used to determine this range is called the "Multiple Range Test." 1 This method considers the number of entries that fall within the range as well as the variability of the test. Data shown in boldface were not statistically different from the best performance for that characteristic. Double crosses. The performance of more than 400 new double- cross hybrids is shown in Tables 2, 3, 4, 5, 6, 7, 8, 13, and 14. Many of these hybrids were superior to popular combinations now being grown. Double-cross hybrids that were high yielding and had excellent standability are indicated by heavy type in Table 16. Three-way crosses. Data on four sets of three-way crosses are re- ported in Tables 3, 5, 9, and 14. These data permit predicting the performance of hundreds of promising double crosses. Some of the three-way-cross hybrids may be grown commercially because of their 1 "Multiple Range and Multiple F Tests," by D. B. Duncan in Biometrics 11 (1), 1-43. 1955. 7959] EXPERIMENTAL CORN HYBRIDS 9 excellent performance, extreme uniformity, and attractive appearance. Some of the better hybrids include: Northern Illinois Table 3 (M14XWF9) XA427, (M14XWF9) XR151, (M14XWF9) XR182, (M14XWF9)XMS128, (OH43XW64A) XW212, (OH43XW64A) XW220, (Oh43XW64A)XW375R5, (OH43XW64A) XA570, (OH43X W64A)XR151, (Oh43XW64A)XR181, (OH43XW64A) XR182, (Oh43 XW64A)XMS116. North-Central Illinois Table 5 (WF9XB14) XR174, (WF9XB14) XR184, (WF9XB14) XB42, (Oh28XOh43)XR103, (Oh28XOh43) XR174, (Oh28XOh43)X B46. Central Illinois Table 9 (HyXWF9) XR177, (HyXWF9) XR186, (HyXWF9)X R188, (HyXWF9)XH51, (HyXWF9) XH52, (HyXWF9) XK805, (Hy XWF9)XOh7N, (HyXWF9) XOh45S, (WF9X38-11) XR177, (WF9X 38-11) XH55, (WF9X38-11)XH56, (WF9X38-11) XOH7N. South-Central Illinois Table 14A (B41XOH7A) X38-11, (B41XOh7A) XK763, (B41X Oh7A)XK6-49, (B41XOH7A) XKy55-549, (B41XOH7A) XKy55-562, (B41XOh7A)XVa6-224, (B41XOh7A) XCI.21E, (B41XOH7A) (CI.21E XCI.42A). High-oil and high-protein hybrids. Two new corn hybrids, 111. 6021 (R75 X R76) (R84 X K4) and 111. 6052 (R78 X 38-11) (R84 X K4), have been developed in the Agronomy Department of the University of Illinois. Foundation single-cross seed of these two hy- brids is available to seedsmen interested in producing seed in 1959. Sufficient double-cross seed for farm use will be available for the 1960 growing season. These new hybrids yield about 30 percent more oil and 10 percent more protein than present commercial hybrids. In addi- tion, they are similar to standard hybrids in grain yield, standability, and other agronomic traits. Nationwide use of adapted high-oil hybrids would produce almost as much oil as is now received from butterfat, soybeans, cotton, and flax. These new high-oil hybrids should benefit both the starch industry and the livestock feeders. Results of tests with high-oil and high-protein hybrids are given in Tables 8, 10, and 15. The 125 three-way crosses reported in Table 10 permit predicting the performance of 7,750 different high-oil and high- protein double-cross hybrids. The actual predictions, however, are not included in this bulletin. 10 BULLETIN No. 636 [January, Inbred lines and sister-line crosses. Sister-line crosses are com- binations between sister strains of the same inbred line. Some sister- line crosses have considerably greater yield, vigor, and standability than the original inbred line, and may be practical for the commercial use of single-cross hybrids. Data on a group of inbred lines and sister-line crosses are reported in Table 11. Related versions of the same inbred are grouped together in Table 11 A. Some growers are interested in producing HyXOh7 because of its high yield and ability to yield well under high plant populations. Hy2 yielded 35 bushels an acre; whereas, a related sister-line cross R158XCI.42A yielded 125 bushels per acre. This latter hybrid might be used as a seed parent. In addition it is resistant to leaf blight and is higher in protein content. Oh7 yielded 51 bushels an acre whereas, Oh7XOh7A, a sister-line cross, yielded 85 bushels an acre. This cross might be used as the pollen parent for the commercial production of a modified version of HyXOh7. Many of the other sister-line crosses appear to be promising, and could be used as seed parents of single crosses. Sweet-stalk hybrids. Sugary or sweet-stalk hybrids might have greater feeding value than ordinary hybrids, especially for silage. Agronomic information on a group of sweet-stalk hybrids from Spain is reported in Table 12. Chemical analyses of this material are being made by the Northern Utilization Research Branch of the U. S. De- partment of Agriculture, Peoria, Illinois. 7959] EXPERIMENTAL CORN HYBRIDS 11 Table 2. DOUBLE CROSSES OF ILLINOIS 1277 MATURITY Tested in Northern Illinois, 1956-1958 (Data in boldface were not statistically different from the best performance for that characteristic) Rank in yield 333 Mois- ture in grain Shell- ing Erect plants Stand Ear height A Three-year averages, 1956-1958 bu. perct. perct. perct. perct. in. i AES 702 ... 128 26 77 84 98 48 ?. 111. 1936 126 25 78 88 99 46 3 AES 601 125 24 78 83 98 44 4 111. 1864 125 24 78 84 98 43 5 ISP 2 125 27 78 76 97 47 6 111. 1862 124 26 79 93 100 42 7 111. 1961 124 21 79 93 99 47 8 111. 1863 123 26 77 81 99 43 Q 111. 1952 123 23 79 88 98 46 10 111. 1956 122 25 77 74 99 48 11 111. 1958. . 122 22 79 86 96 48 17. 111. 1277 121 25 78 73 99 46 13 111. 1559B 121 24 77 84 97 45 14 111. 1957 121 24 78 87 98 44 15 111. 1575 120 26 77 74 98 47 16 111. 1955. . 120 22 78 96 97 44 17 111. 1960 120 24 79 88 99 46 18 111. 1281 119 24 78 82 99 43 19 111. 1555A 119 22 78 85 97 46 20 111. 1962 119 22 78 93 98 47 71 111. 1091A. . . 118 25 78 71 96 48 7.7. 111. 1866 118 25 78 70 98 43 7.3 111. 1279 117 24 78 74 97 46 7A 111. 1959 117 24 79 93 98 44 25 Minn. CB4621.... 117 21 79 95 99 44 76 AES 510.. . 115 21 79 82 96 43 7.1 111. 1953 115 22 77 87 99 41 7.8 111. 2247W 115 26 77 85 96 48 79 111. 1289 114 25 76 85 97 42 30 111. 1557 114 26 77 87 96 45 31 Minn. CB4603... 113 22 79 95 97 46 32 AES 610 112 23 80 94 98 38 33 111. 1560A 112 26 78 84 97 45 34 Ohio K24 Ill 23 79 84 94 41 35 111. 101 110 24 79 66 92 45 36 Mich. 53-151 . . 109 22 78 88 94 44 37 111. 21 103 26 78 73 85 50 Average 118 24 78 84 97 45 B Two-year averages, 1957-1958 i 111. 3007 . . . . 136 28 80 77 96 54 7 111. 3152 134 30 78 86 100 44 3 AES 702 130 30 76 78 98 50 4 AES 601 128 28 77 79 98 46 5 111. 1936 128 29 77 84 98 46 6 111. 3009 . . 128 25 78 92 98 50 7 Ind. 6225 128 25 79 90 100 49 8 111. 1952 127 26 78 83 98 46 9 111. 1862 126 30 78 90 100 42 10 111. 1863 126 30 76 74 98 44 11 111. 1961 . . . 126 24 78 90 99 48 17 111. 1864 125 28 77 78 98 43 13 111. 1999 125 32 77 80 98 45 14 111. 3008 124 30 78 86 96 50 15 ISP 2 124 32 76 68 96 48 16 111. 3043 . . 123 32 79 92 96 48 17 111. 1277 1 29 77 62 99 46 18 111. 1559B 122 27 76 76 97 46 19 111. 1957 122 28 77 82 98 45 20 111. 1958 122 26 78 82 95 49 (Table is continued on next page) 12 BULLETIN No. 636 [January, Table 2. Continued Rank Arrp ylSd Entfy tt Mois- ture in grain Shell- ing Erect plants Stand Ear height B Two-year average, 1957-1958- Concluded bu. perct. perct. perct. perct. in. 71 111.3046. . 122 28 77 90 96 52 ?2 111. 1955 in 25 76 96 96 45 23 111. 1956 171 30 75 62 99 50 24 111. 1091A 120 28 77 64 97 49 25 111. 1279 120 28 77 63 98 48 26 111. 1575.. . 120 30 76 62 98 48 27 111. 1959 120 28 78 92 98 45 28 111. 1960 120 28 79 82 99 46 29 111.3016 120 34 76 91 96 48 30 111. 1555A US 24 76 80 96 48 31 111.3044. . . 119 29 76 90 98 50 32 111. 3045 119 29 78 90 96 47 33 111.3047 . 119 28 78 89 93 46 34 Minn. CB4621 119 24 78 94 98 44 35 111. 1281 118 28 77 80 99 43 36 111. 1962. . . 118 26 78 90 96 48 37 111. 3048 118 28 79 92 94 48 38 AES510 116 24 76 75 95 44 39 111. 1866 116 28 76 58 98 43 40 111. 1953 116 26 76 80 99 42 41 Minn. CB4603... 116 25 78 93 96 46 42 111. 2247W 114 30 75 80 95 50 43 AES610 112 26 78 94 98 38 44 111. 1289 112 28 75 77 96 43 45 111. 1560A 112 30 78 76 96 46 46 111. 1557. . 111 30 76 82 95 46 47 Ohio K24 110 26 78 80 92 42 48 Mich. 53-151 106 25 78 84 92 44 49 111. 101 105 28 78 55 90 46 50 Ohio M15 102 24 78 78 88 48 51 111. 21 96 30 77 72 78 52 Average 120 28 77 81 96 46 C 1958 results (3 replications) 1 111.3163. . . 141 33 81 66 99 46 2 111.3152 140 32 79 74 100 47 3 111.3173 138 33 82 87 100 52 4 111.3177 138 33 79 44 98 49 5 AES 601 137 30 77 62 99 50 6 111. 1936. . 137 32 79 72 100 48 7 111. 3169B 137 34 78 78 99 46 8 111.3007 135 32 80 55 100 58 9 111.3171 135 36 80 84 100 49 10 AES 702 134 33 77 56 100 54 11 111. 3167B... . 134 34 77 76 97 54 12 111. 3152A 133 28 78 73 99 46 13 111. 1862 131 33 80 81 100 46 14 111.3162. . 131 31 79 60 98 42 15 111. 3174 131 28 78 84 99 47 16 111. 3176B... . 131 34 77 75 99 52 17 111. 2247W 130 31 76 61 98 54 18 111.3016 130 38 78 87 99 52 19 111.3159 130 31 78 59 100 47 20 111. 3169A 130 34 78 60 97 47 21 111. 1559B... 129 28 77 54 100 48 22 111. 1961 129 26 79 80 100 50 23 111. 3023 B 129 35 80 75 99 46 24 111. 3287 129 33 79 94 100 47 25 ISP 2 129 35 77 53 95 51 26 111. 1952 .. 128 29 80 69 98 48 27 111. 3167A.... 128 37 79 77 100 53 28 111. 1999 127 34 78 62 99 49 29 111. 3169C 127 34 78 63 97 51 30 Ind. 6225 127 28 80 82 100 52 (Table is concluded on next page) 1959} EXPERIMENTAL CORN HYBRIDS 13 Table 2. Concluded Rank in yield Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height C 1958 results (3 replications) Concluded bu. perct. perct. perct. perct. in. 31 111.1864 126 32 77 57 100 46 32 Minn. 200 126 28 78 79 96 47 33 111.1277 125 30 77 31 100 50 34 111.1958 125 28 77 66 99 51 35 111. 3289 125 38 75 83 96 49 36 111.3290 125 36 76 90 100 48 37 111. 1863 124 33 76 49 99 47 38 111. 3023A 124 35 79 58 97 .47 39 111. 3168A 124 37 79 57 98 43 40 111.3170 124 32 79 46 100 46 41 Minn. 201 124 30 79 75 99 45 42 111.1279 123 30 77 30 100 50 43 111. 3008 123 34 78 75 98 54 44 111.3009 123 28 79 86 98 55 45 111. 3172 123 36 80 84 99 56 47 111. 1866 122 30 76 21 98 47 48 111.1959 122 30 80 86 97 47 49 111. 3047 122 32 79 80 98 50 50 Iowa 5053 122 29 77 71 98 49 51 111. 1091A 121 30 77 32 99 53 52 111.1955.. 121 27 75 91 99 46 53 111.1957 121 31 78 64 99 45 54 111. 3044 121 33 78 81 99 54 55 111.3168 121 38 79 63 100 46 56 AES 610 120 29 79 88 99 39 57 111. 1555A... 120 26 74 64 98 50 58 111.1956 120 33 75 32 100 52 59 111. 1962 120 27 78 83 96 50 60 111. 3002 120 26 78 82 100 51 61 111. 3175 120 38 80 82 98 50 62 111.3178.. 120 29 79 52 98 52 63 111. 101 119 30 79 24 100 49 64 111. 1575 119 32 76 33 99 52 65 111.3046 119 33 78 82 99 54 66 Ohio M15 119 25 81 62 100 50 67 Minn. CB4621... 119 27 78 88 100 47 68 111.1960 118 30 80 66 100 48 69 111. 3043 118 36 79 85 96 52 70 Iowa 4947 118 '32 77 86 94 48 73 111.3045 117 33 78 80 99 52 74 111.3048.. 117 30 79 83 96 51 75 111.3164 117 29 78 57 98 50 76 111. 3168B 117 39 78 61 99 46 77 Minn. CB4603 117 27 79 86 96 50 78 AES 510 116 28 76 51 98 48 79 111.21.. 114 32 78 49 98 57 80 111. 1281 1 14 30 77 62 99 43 81 111. 3288 114 34 77 43 99 47 82 Ohio K24 113 28 79 64 92 45 83 111. 1557 112 32 79 66 98 49 84 111.1953.. Ill 28 75 63 100 43 85 111. 1560A 110 33 78 51 97 46 86 111.1289 108 30 76 57 93 46 87 111. 6052 108 40 75 56 96 62 88 Mich. 53-151 105 26 78 72 92 45 89 111. 3176A.... .... 97 40 76 53 98 47 90 111. 6021 97 40 75 52 100 62 46 WF9XOh43 123 38 78 92 90 45 71 M14XWF9 118 29 73 30 95 45 72 R172XWF9 117 28 78 99 93 49 Average 123 32 78 67 98 49 Table 3. THREE-WAY, SINGLE, AND DOUBLE CROSSES OF ILLINOIS 1277 MATURITY Tested in Northern Illinois, 1958 (Data in boldface were not statistically different from the best performance for that characteristic) Code r, . Acre Entry yie]d Mois- ture in grain Shell- ing Erect plants Stand Ear height A Inbred lines crossed with (M14XWF9) i 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Ia55-1473 . . bu. 124 perct. 27 30 33 27 33 28 30 28 31 29 33 34 25 32 32 27 25 30 30 31 30 Perct. 77 77 74 78 74 77 77 79 78 76 79 78 77 77 78 76 84 78 79 79 78 perct. 21 96 78 70 50 47 68 52 92 64 68 66 47 80 67 26 66 78 86 52 64 perct. 100 97 100 100 100 99 100 100 100 99 100 100 98 98 98 93 100 100 99 98 99 in. 45 43 49 44 44 46 47 43 45 44 51 51 46 47 52 40 47 48 46 43 46 Ia55-1487 120 Ia55-1716 127 Oh26F 116 Oh45S 121 W212 126 W220 132 W375R5 128 A427 137 A570 130 R151 . . 140 R180 110 R181 122 R182 127 R183 121 MS68 103 MS116 140 MS127 119 MS128 ... 126 MS129 135 125 B Inbred lines crossed with (Oh43XW64A) 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Ia55-1473. . . 113 27 32 32 36 29 29 29 29 30 29 31 36 29 28 34 27 26 28 34 34 30 77 78 77 76 78 76 78 79 77 77 79 85 76 78 79 79 81 80 79 76 78 48 99 97 87 86 92 97 92 98 75 88 87 92 98 69 71 74 91 92 81 86 98 99 100 96 99 98 100 100 98 99 100 98 98 100 98 99 99 100 98 98 99 41 39 44 36 43 42 43 43 44 45 50 46 44 44 52 44 47 44 44 47 44 Ia55-1487 109 Ia55-1716 125 Oh26F 107 Oh45S. 116 W212. 129 W220 125 W375R5 124 A427 . 115 A570 128 R151 . . 144 R180 127 R181 . . 124 R182 125 R183 113 MS68 . . 109 MS116. . 130 MS127 120 MS128. . 116 MS129 124 Average . 121 C Single crosses 42 41 43 M14XWF9. . . . . . 128 29 34 40 34 76 77 76 76 26 82 73 60 100 98 96 98 46 40 60 49 Oh43XW64A K4X38-11. .. 120 107 Average . 118 D Double crosses 47 44 49 48 45 46 111. 6052. . 124 40 33 34 36 36 39 36 83 78 76 76 77 75 78 66 28 69 57 43 48 52 99 100 100 98 100 98 99 59 53 57 61 54 62 58 111. 1277. . 123 U.S. 13 122 111. 6062 no III. 6016 105 111. 6021 102 Average . 114 Average of 49 entri< :s . 122 31 78 71 99 47 EXPERIMENTAL CORN HYBRIDS 15 Table 4. DOUBLE CROSSES OF ILLINOIS 21 MATURITY Tested in North-Central Illinois, 1956-1958 (Data in boldface were not statistically different from the best performance for that characteristic) Rank A Mois- in Entry ;VT5 ture in yield grain Shell- Erect ing plants Stand Ear height Dropped ears A Three-year averages, 1956-1958 bu. perct. perct perct. Perct. in. perct. i AES805 132 19 81 80 97 49 1 7. 111. 274-1 . 125 17 83 79 96 51 1 3 111. 972A-1 125 19 82 76 98 51 3 4 111. 1970 124 18 85 77 99 47 1 5 111. 1971 124 17 84 84 99 47 6 111. 1332 . 123 18 83 82 98 50 3 7 111. 1575 123 18 83 79 98 45 4 8 111. 1831 122 19 82 87 96 44 1 9 111. 1919 ... 122 19 82 77 95 50 3 10 111. 1921 122 20 81 92 95 48 1 11 111. 1511 121 18 83 74 97 51 4 12 111. 1966 121 18 82 84 94 46 1 13 111. 1968 .... 121 17 83 85 95 49 14 111. 1570 120 19 81 73 97 50 4 IS 111. 1928 120 21 80 87 95 53 1 16 111. 1277. . 119 18 84 84 96 45 1 17 111. 1875 119 19 81 79 93 52 7 18 111. 1969 119 18 83 93 96 47 1 19 AES 704 116 18 81 97 93 44 2 20 111. 1868 116 19 82 89 96 45 1 21 111. 21 . . 114 18 83 74 94 48 1 22 111. 1967 114 18 81 91 95 49 2 23 Iowa 4297 114 18 82 80 99 45 2 24 AES 702 112 18 80 82 92 46 25 111. 1863 112 18 83 94 96 39 1 26 111. 1555 A.. . 111 15 81 85 95 44 2 27 111. 1814 110 19 82 91 93 42 1 28 111. 1936 110 18 82 90 94 44 1 29 111. 3028 104 18 82 90 96 41 1 Average. . . . 118 18 82 84 96 47 2 B Two-year averages, 1957-1958 1 AES 805. . . 134 20 80 75 96 48 1 2 111.3010 130 20 80 84 99 48 1 3 111.3026 130 21 80 89 96 42 1 4 111. 3042 130 22 79 90 93 48 1 5 111. 3023A 128 18 82 86 97 40 6 111.3027. . 128 20 82 82 99 43 2 7 111. 3029 127 20 80 87 94 42 8 111. 274-1 126 18 82 73 94 52 9 111. 1332 126 19 82 78 98 48 2 10 111. 1970 126 20 84 68 98 46 1 11 111.3014. . . 126 22 80 74 97 50 1 12 111. 3035 126 20 83 80 96 42 2 13 Iowa 4880 126 19 80 92 92 44 14 111. 3022 125 20 82 86 92 45 15 111. 3032 125 18 82 88 97 42 16 111. 3039 . . . 125 20 80 89 96 44 17 111. 3021 124 22 80 92 96 44 1 18 111. 3160 124 20 82 96 96 44 19 111. 1575 123 19 82 72 97 44 20 111. 3017 123 20 80 92 97 44 21 111. 972A-1 . . . 122 21 80 68 97 52 3 22 111. 1971 122 20 84 78 99 47 23 111. 3019 121 19 80 85 96 44 2 24 111.3020 121 20 80 88 100 40 1 25 111. 1511 120 20 82 68 96 50 3 (Table is continued on next page) 16 BULLETIN No. 636 [January, Table 4. Continued yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Dropped ears B Two-year averages, 1957-1958 Concluded bu. perct. perct. perct. perct. in. perct. 26 111. 1831 . . 120 21 81 83 94 44 1 77 111. 1921 120 22 80 91 92 49 28 111. 1928 120 22 79 85 93 54 ?9 111. 1966 120 20 82 80 92 46 30 111. 1968 120 18 82 82 94 48 31 111.3030. . 120 21 80 94 97 44 1 32 111.3036 120 20 82 88 96 40 1 33 111.3038 120 18 83 86 94 42 1 34 111. 3043 120 18 82 94 96 46 2 35 111. 3015A 119 20 79 88 100 45 36 111. 21 . . 118 20 82 70 92 49 2 37 111. 1277 118 20 82 82 96 45 1 38 111. 3011 118 21 80 88 99 44 1 39 111.3016 118 20 81 94 97 42 40 111. 3025 118 22 80 88 97 43 1 41 111. 3028 . . 118 20 82 86 96 40 1 42 AES 704 117 20 80 97 90 43 2 43 111. 1570 117 20 79 67 96 50 3 44 111. 1969 117 20 82 92 96 47 1 45 111. 1919 116 21 81 70 96 50 2 46 111.3018. . 116 20 81 87 96 44 2 47 111. 3034 116 20 80 82 95 39 2 48 111.3044 116 20 80 88 97 45 49 111. 1868 , 114 21 81 86 94 44 1 50 111. 1875 114 21 80 73 90 53 2 51 111. 1967. . 114 20 80 88 94 48 52 111.3047 114 18 81 88 96 44 1 53 111.3124 114 20 82 90 94 46 54 111.3024 112 20 78 96 94 42 2 55 111.3045 Ill 18 82 92 94 46 56 111. 1863. . 110 20 82 94 95 38 57 111.3048 110 18 82 94 90 46 58 Iowa 4297 110 20 81 74 98 45 2 59 AES 702 109 20 79 74 90 45 60 111. 1555A 106 16 78 80 93 44 2 61 111. 1936. . 106 20 81 88 90 42 1 62 111. 3046 106 18 80 90 90 46 63 111. 1814 105 21 80 88 90 40 Average 119 20 81 84 95 45 1 C 1958 results (3 replications) i AES 805 . 147 18 82 71 100 54 2 2 111. 3015B . 138 18 83 94 99 50 7 3 111. 3023B 138 18 84 87 99 49 4 111.3179 138 18 85 74 100 53 2 5 111. 3029 137 20 82 86 100 45 6 111. 1511A-1. . . 136 18 84 63 98 55 3 7 111.3010 136 18 82 87 100 53 2 8 111.3180 135 19 82 59 100 60 9 111.3294 135 19 83 81 100 53 4 10 111.3026 134 19 82 93 97 48 2 11 111. 1831. . 133 19 83 86 100 50 2 12 111. 3042 133 21 81 88 99 51 2 13 111. 3160 133 18 84 99 98 49 1 14 111. 3291 133 18 84 87 100 49 2 15 111.274-1 132 16 84 79 98 56 1 16 111. 1332 . . 132 17 84 79 98 54 4 17 111. 1575 132 18 85 73 100 49 18 111.3014 132 19 82 71 100 53 2 19 111. 3021 132 19 83 91 100 48 2 20 111.3039 132 18 81 90 99 47 1 21 111.3187. . 132 19 84 56 99 62 3 22 111. 3293 132 18 83 80 99 52 5 23 Iowa 4989 132 17 82 98 98 50 24 111. 1921 131 19 82 90 100 53 1 25 111.3017 131 18 82 92 99 48 1 (Table is concluded on next page) 1959] EXPERIMENTAL CORN HYBRIDS 17 Table 4. Concluded Rank in yield Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear Dropped height ears C 1958 results (3 replications) Concluded bu. perct. perct. perct. percl. in. perct. 26 111.3022 131 18 83 89 97 50 1 27 111.3181 131 20 83 53 96 58 28 111.3184 131 20 84 78 100 54 29 AES 704 130 19 82 98 98 48 3 30 111. 1919 130 18 84 73 100 55 4 31 111.3011 130 18 82 85 100 48 2 32 111. 3023A 130 17 84 86 98 46 1 33 111.3038 130 17 86 80 98 47 2 34 111. 6052 130 18 82 72 100 63 3 35 Iowa 4880 130 17 81 95 93 49 36 111.1277.. 129 18 84 84 99 50 2 37 111.1966 129 17 83 82 98 51 1 38 111. 3015A 129 18 82 89 99 49 1 39 111.3027 129 18 84 90 100 46 3 40 111. 3032 129 17 85 87 99 46 1 41 Iowa 4991... 129 18 82 96 100 48 42 111.1968 128 17 85 89 100 51 43 111.1970 128 18 86 73 99 50 2 44 111. 3016 128 18 83 94 100 47 1 45 111.3030 128 18 82 93 98 49 2 46 111.3036.. 128 18 84 93 99 45 2 47 111. 3028 127 18 84 86 99 46 2 48 111.3183 127 21 81 84 100 52 1 49 111.3186 127 20 86 67 100 54 1 50 111.21-4 126 18 83 63 98 52 3 51 111.1967 126 16 82 89 100 51 1 52 111. 3025 126 19 81 87 99 46 2 53 111. 3035 126 18 84 76 98 47 3 54 111.3188 126 19 84 70 97 58 1 55 111. 972A-1 125 19 83 64 99 56 6 56 111.1511.. 125 18 85 61 100 54 6 57 111.1868 125 18 84 78 100 49 2 58 111.3020 125 18 82 89 100 43 2 59 111. 3043 125 17 84 95 98 50 4 60 111.3044 125 17 83 86 98 50 1 61 111.3124.. 125 18 85 90 100 50 62 111.3182 125 19 83 68 99 54 2 63 111.21-3 124 19 81 55 99 58 1 64 111.1969 124 18 85 92 100 51 2 65 111.1971 124 17 85 85 100 51 66 111. 3292 124 19 83 84 99 52 2 67 111.21-2 123 17 81 59 100 58 5 68 111. 1555A 123 15 82 85 100 48 3 69 111.1875 123 18 83 65 99 57 4 70 111. 1928 123 19 82 84 97 59 71 111.3185.. 123 20 83 45 100 57 2 72 111.1570 122 18 81 67 100 53 6 73 111. 2249W 122 19 84 74 98 55 11 74 111. 3019 122 17 80 82 96 47 3 75 Iowa 4297 122 17 82 72 98 49 4 76 111.21.. 121 18 84 60 96 54 3 77 111.1936 121 17 84 88 99 47 2 78 111.3018 121 17 82 84 97 48 3 79 111.1814 120 18 83 89 99 45 1 80 111.3046 120 16 84 87 97 52 1 81 111.6021.. 120 18 83 73 100 61 7 82 111. 1863 119 18 84 94 100 43 83 111.3047 118 16 84 92 99 46 2 84 111.3034 118 19 81 81 99 42 3 85 111.3048 118 16 84 95 99 49 86 111.3024.. 115 18 80 96 95 45 4 87 AES 702 114 19 81 77 98 50 1 88 111.3045 112 16 84 88 99 51 89 111.3057 110 17 84 86 99 49 90 Nebr. 1781C 110 20 83 72 99 44 5 Average 127 18 83 81 99 51 2 18 BULLETIN No. 636 [January, Table 5. THREE-WAY, SINGLE, AND DOUBLE CROSSES OF ILLINOIS 21 MATURITY Tested in North-Central Illinois, 1958 (Data in boldface were not statistically different from the best performance for that characteristic) Code Entry Acre yield Mois- grain S S'- Erect plants Stand Ear height Dropped ears A Inbred lines crossed with (WF9XB14) i 2 3 4 5 6 7 8 R165 bu. 129 133 128 114 137 119 118 120 125 perct. 18 20 19 18 18 19 18 20 19 perct. 85 84 83 80 84 85 81 81 83 perct. 72 82 87 73 92 73 95 72 81 perct. 100 99 96 98 99 98 97 96 98 in. 48 49 52 48 51 51 46 48 49 perct. 1 2 3 2 3 1 2 2 R174 R184 R185 B42 . B43 B46 Oh7K B Inbred lines crossed with (Oh28XOh43) 9 10 11 12 13 14 15 16 17 R103 141 125 131 126 124 139 131 127 124 130 18 20 20 19 19 21 18 20 20 19 85 86 80 81 85 85 82 83 82 83 82 38 78 69 87 77 86 92 58 74 99 98 100 100 99 98 100 99 100 99 46 46 46 50 46 52 43 46 46 47 2 2 1 1 1 1 1 1 R165 R174 R185 B42 B43 B46 H49 Oh7K C Single crosses 19 18 Oh28XOh43 134 128 . 131 17 16 16 84 83 84 91 99 95 99 95 97 43 50 46 5 2 WF9XB14 D Double crosses 21 20 AES 702. 129 126 128 18 17 18 84 79 82 82 85 84 99 97 98 51 45 48 6 3 4 111. 3028 Average Avei 'age of 21 entries 128 19 83 80 98 48 2 1959] EXPERIMENTAL CORN HYBRIDS 19 Table 6. DOUBLE CROSSES OF ILLINOIS 1570 MATURITY Tested in Central Illinois (Field A), 1956-1958 (Data in boldface were not statistically different from the best performance for that characteristic) Rank Acre Mois- in Entry vield ture * n yield grain Shell- Erect ing plants Stand Ear height Dropped ears Smut A Three-year averages, 1956-1958 bu. perct. perct. perct. perct. in. Perct. perct. i AES 810. . . . 126 18 84 93 96 45 1 4 2 111. 274-1 124 18 84 90 96 48 1 2 3 111. 1916 124 18 84 87 99 49 2 7 4 111. 1919 124 18 83 83 96 46 2 6 5 111. 1975 124 21 80 76 98 55 2 3 6 111. 1332. . . 123 19 83 89 97 47 3 1 7 111. 1511 123 20 83 86 98 50 6 4 8 111. 1893 123 18 81 90 94 50 2 5 9 111. 1921 123 19 82 93 98 45 2 2 10 AES 805 122 19 83 89 97 46 1 5 11 111. 1813. . 122 20 83 96 94 45 3 1 12 111. 1909 122 17 85 83 99 48 3 3 13 111. 972A-1 .. 121 18 82 91 100 48 2 2 14 111. 1889 121 18 81 87 99 47 2 8 15 111. 1890 121 18 84 90 96 44 2 3 16 AES811W... . 120 19 80 92 98 44 2 2 17 111. 1928 120 19 83 90 96 49 2 4 18 111. 1656 119 18 83 85 97 48 3 2 19 111. 1918 118 19 84 88 99 47 2 1 20 111. 1922 118 20 80 94 98 44 2 2 21 AES 702 ... . 117 20 81 89 99 44 3 1 22 AES 809 117 20 83 94 95 40 1 2 23 111. 1880 117 18 83 88 98 46 2 2 24 111. 1927 116 20 81 92 97 45 2 2 25 111. 1973 116 19 84 88 99 46 1 1 26 111. 1926.. 115 17 81 93 96 46 3 2 27 111. 1974 115 19 84 85 98 48 4 28 111. 1570 114 19 82 77 97 48 2 4 29 U.S. 13 114 18 82 81 94 50 4 2 30 AES 808 112 19 83 80 97 42 3 2 31 111. 21. . 110 18 82 86 97 43 1 2 32 111. 1935 106 20 80 95 97 45 1 7 Average. . . . 119 19 82 88 97 46 2 3 B Two-year averages, 1957-1958 1 A 102. . 122 23 81 80 98 47 6 2 111. 1332-3 120 22 81 86 96 48 2 3 111. 1921 120 20 80 92 98 46 3 4 111. 3104 120 19 82 82 98 44 1 2 5 111.3107 119 20 82 84 100 46 1 5 6 AES 810.. . 118 19 82 91 94 46 4 7 111. 3049 118 20 82 97 97 44 2 8 111. 1852 117 22 79 78 98 52 2 9 111. 1985 117 20 81 76 100 48 2 2 10 111. 3093 117 20 80 90 99 46 2 11 AES 80S.. . 116 21 80 89 96 46 6 12 AES811W 116 22 78 90 98 44 1 2 13 111. 274-1 116 20 84 88 95 48 2 14 111. 1332 116 20 82 90 96 46 2 15 111. 1976 116 22 79 81 94 49 2 16 111. 1978. . 116 22 78 76 98 50 17 III. 1981 116 20 80 86 98 50 1 4 18 111. 1982 116 22 80 75 96 51 2 3 19 111. 1984 116 22 79 84 98 46 2 1 20 111. 1991 116 22 80 84 95 47 2 2 21 111. 1995 . . 116 22 86 76 96 48 3 22 111.3115 116 18 82 86 98 48 1 3 23 111.3117 116 20 84 84 98 45 6 24 A 101 116 22 83 83 98 48 4 25 111. 1916 115 20 83 84 98 50 7 (Table is continued on next page) 20 BULLETIN No. 636 [January, Table 6. Continued Rank in yield Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Droppe< 's m , B Two-year averages, 1957-1958 Continued bu. perct. perct. perct. perct. in. perct. perct. 76 Til. 1975 . 115 23 78 70 98 52 2 2 7,7 Til. 972A-1 114 20 82 90 100 49 1 2 28 111. 1813 . . 114 21 81 96 94 46 1 79 111. 1856 114 27 80 82 98 54 6 30 111. 1919 114 20 82 80 98 46 2 6 31 Til. 1928 . 114 21 82 88 96 50 1 3 37 Til. 1983 114 20 84 90 99 46 1 2 33 111. 3101 114 19 82 78 97 46 1 2 34 Til. 3105 114 18 83 76 98 48 2 35 111. 1656-1 113 20 80 84 98 46 2 2 36 111. 3077. . . 113 19 80 72 98 48 4 3 37 AES702 112 22 80 90 99 44 1 38 AF, S809 112 22 82 92 94 41 2 39 111. 1332-2 11? 20 80 84 94 46 2 40 111. 1332-4 112 20 81 86 98 46 4 41 Til. 1511 112 22 81 83 98 50 4 2 42 111. 1570-1 112 20 80 78 99 46 2 4 43 111. 1656 112 20 82 83 96 47 2 2 44 111. 1656-2 112 20 82 79 96 47 2 4 45 111. 1880 112 20 82 86 98 46 2 3 46 111. 1889. . . 11? 19 79 84 98 48 2 8 47 111. 1890 112 20 82 88 94 44 4 48 111. 1909 112 18 84 82 98 47 2 3 49 111. 1922 11? 22 79 94 97 44 2 50 111. 1996 112 22 80 91 96 47 51 111. 1997 112 22 80 88 92 48 2 52 111. 3055 112 20 82 87 98 45 2 53 111. 3076 11? 20 81 86 96 46 2 2 54 111. 3091 112 22 79 76 98 48 2 1 55 111. 3092 112 21 80 90 96 46 2 3 56 111. 3112. . 112 20 80 88 94 46 4 57 111. 3118 112 20 81 87 100 47 3 4 58 Ind . 6833 112 20 81 82 98 46 4 4 59 111. 3075 111 21 83 92 99 47 1 4 60 111. 3080 111 22 80 85 98 47 1 2 61 111. 3114. . 111 22 80 78 96 48 2 4 62 111. 3119 Ill 23 81 90 100 46 3 63 111. 1570-2 110 22 80 77 98 48 4 64 111. 1893 110 20 80 88 93 51 2 4 65 111. 1918 110 20 82 86 100 48 1 2 66 111. 1944. . . 110 22 78 95 96 50 9 67 111. 1945 110 24 82 80 98 52 16 68 111. 1946 110 23 82 82 99 52 6 69 111. 1974 110 20 83 81 98 50 4 70 111. 1986 110 20 81 87 96 44 1 1 71 111. 1987.. 110 21 79 86 98 46 2 2 72 111. 1989 110 20 78 92 96 42 1 2 73 111. 1994 110 22 78 92 96 46 2 74 111. 3062 110 19 84 86 98 48 1 4 75 111. 3084 110 21 79 89 97 46 2 76 111. 3086 . . . 110 20 82 90 96 44 2 2 77 111. 3121 110 19 82 96 96 44 3 78 111. 3124 110 22 80 96 99 44 2 79 111. 1926 109 18 80 94 96 47 1 2 80 111. 1992 109 23 78 90 94 47 81 111. 3116. . 109 18 82 88 100 44 2 4 82 111. 3151 109 20 80 89 97 48 1 3 83 111. 21 108 19 82 84 98 45 2 2 84 111. 1570A 108 21 80 78 98 46 2 2 85 111. 1927 108 22 80 90 96 44 1 2 86 111. 1942. . 108 23 79 82 96 51 14 87 111. 1973 108 20 84 86 99 46 88 111. 1980 108 19 80 88 96 48 2 4 89 111. 1988 108 22 80 82 96 45 90 111. 1990 108 20 82 90 97 39 2 (Table is continued on next page) 1959] EXPERIMENTAL CORN HYBRIDS 21 Table 6. Continued Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Dr er _ B Two-year averages, 1957-1958 Concluded bu. perct. perct. Perct. perct. in. Perct. perct. 91 111. 1993 . . 108 20 79 84 96 45 2 92 111. 3052 108 19 82 84 98 43 2 2 93 111. 3056 108 18 83 88 98 44 3 94 111. 3065 108 18 84 81 98 48 3 95 111. 3083 108 21 82 94 98 44 2 96 111. 3087 . . 108 20 83 88 98 42 2 1 97 111.3094 108 22 80 92 98 49 2 4 98 111.3109 108 19 83 86 96 44 4 99 111. 1851 107 22 77 84 93 52 2 100 111. 3088 107 20 82 88 94 44 2 101 111.3100. . . 107 20 84 96 96 45 9 102 111.3108 107 20 84 89 94 47 4 103 AES808 106 20 82 74 98 43 2 3 104 111. 1857 106 26 76 76 98 54 2 4 105 111.3070 106 22 80 86 97 48 3 106 111. 3082 . . 106 20 80 91 95 44 2 3 107 111.3110 106 22 82 83 98 50 1 5 108 U.S. 13 106 20 80 78 94 49 2 2 109 111. 1570 105 21 80 74 96 46 4 110 111. 1947 105 22 82 84 94 49 6 111 111.3050. . 105 20 80 86 95 45 112 111. 3074 105 21 82 94 99 46 5 113 111. 3113 105 18 82 90 97 42 2 114 111. 1660 104 30 77 88 96 56 2 115 111. 1925 104 20 82 92 98 42 2 116 111. 1935. . 104 22 78 92 98 46 6 117 111. 1977 104 22 80 80 97 47 1 4 118 111.3054 104 19 80 83 99 45 2 119 111. 3095 104 20 81 84 98 46 1 2 120 111.3097 104 19 80 78 98 46 1 6 121 111.3106. . 104 22 80 89 97 44 4 122 Ind. 6623 104 20 78 84 98 48 1 6 123 111. 1943 102 22 79 90 95 46 4 124 111. 1951 102 20 82 84 96 50 4 125 111. 3051 102 20 81 92 92 46 2 126 111. 3061 . . 102 19 84 85 98 44 4 127 111. 3096 102 21 79 92 96 42 2 128 111.3111 102 19 82 90 96 45 3 129 111.3125 102 21 82 91 98 44 3 130 111. 1939 100 24 78 92 98 46 1 8 131 111. 3073 . . 100 22 79 91 98 45 6 132 111.3120 100 22 82 78 98 46 1 4 133 111.3069 99 21 81 94 98 44 4 134 111. 3071 99 22 78 77 96 48 2 135 111. 1948 98 22 80 84 96 48 6 136 111. 3059 . . 98 21 81 90 98 42 2 137 111. 3064 98 21 82 78 96 46 2 4 138 111. 1938 97 26 76 94 96 47 2 139 111. 3057 97 20 82 91 96 43 3 140 111. 3060 97 22 82 84 97 44 6 141 111.3058. . 96 20 81 92 97 44 1 3 142 111. 1940 94 26 78 91 98 46 3 143 111. 2246W 92 21 78 81 97 51 4 6 Average 109 21 81 86 97 47 1 3 (Table is continued on next page) 22 BULLETIN No. 636 Table 6. Continued [January, Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Droppec 'Smut C 1958 results (3 replications) bu. perct. Perct. perct. perct. in. perct. Perct. i 111. 3192B 135 20 83 81 97 56 2 4 111. 3190 134 22 83 90 98 54 3 6 3 111. 274-1 132 18 86 86 100 48 4 4 111. 3192A 132 19 83 82 99 58 4 5 111. 3183 130 20 84 94 99 45 2 6 6 111.3192 130 21 83 76 97 55 4 7 111. 3189 129 19 85 85 99 52 6 7 8 111.3107 127 19 85 85 100 48 2 9 9 111. 3182 127 20 90 85 97 44 2 6 10 111.3186 127 19 85 89 99 49 1 4 11 111.3298 . 127 21 82 88 99 49 3 12 111. 1921 126 18 83 98 99 46 6 13 111. 1984 126 19 81 91 100 46 3 2 14 111. 3104 . 126 18 85 87 99 44 2 3 15 111.3151 126 18 85 93 99 50 2 6 16 Iowa 5115 . 126 19 84 90 100 47 1 17 A 102 125 19 84 79 98 49 1 12 18 111. 1919 124 17 85 87 95 47 5 11 19 111. 3011 124 18 86 91 98 42 2 5 20 111. 19i6 123 16 86 86 98 51 1 6 21 111. 3117 123 17 86 89 97 47 1 10 77 111. 1813 122 20 84 97 89 47 2 23 111. 1992 122 20 82 90 94 47 1 74 111.3049 122 20 83 98 100 42 3 25 111. 3075 122 17 86 91 99 47 2 6 76 111.3115. . 122 16 86 93 99 49 2 6 77 AES 809. . . 121 19 85 91 97 37 1 4 78 AES 81 1W 121 19 81 91 97 42 2 4 79 111. 972A-1 121 18 84 88 100 49 2 4 30 111. 1332 121 19 86 94 98 48 1 4 31 111. 3080. . 121 19 81 91 98 46 2 1 111. 3093 121 19 82 91 99 46 3 33 A 101 121 18 86 86 98 50 6 34 111. 1332-3 120 20 84 89 93 46 1 4 35 111. 1511 120 20 85 83 97 51 7 2 36 111. 1511A-1 . 120 18 85 78 93 51 1 12 37 111. 1922 120 20 83 96 97 42 4 38 111. 1985 120 20 82 85 100 48 3 2 39 111. 1987 120 20 83 89 100 49 4 3 40 111. 1989 120 19 81 94 99 42 2 3 41 111. 1856. . 119 20 83 91 99 53 1 10 42 111. 1976 119 20 82 88 98 48 4 43 111. 1978 119 19 83 74 98 55 1 44 111. 1981 119 18 84 87 97 50 2 5 45 111.3074 119 19 86 97 100 47 9 46 111.3076. . . 119 18 84 89 95 45 4 3 47 111. 3101 119 19 84 89 99 47 2 4 48 111.3118 119 18 85 89 100 46 6 6 49 111.3119 119 18 85 93 100 48 7 50 Ind. 6623 119 19 81 84 98 48 2 12 51 Nebr. 2248... . 119 21 79 90 97 46 3 1 52 111. 1852 118 20 82 85 96 53 1 3 53 111. 1889 118 18 82 87 97 52 5 10 54 111. 1983 118 18 84 92 98 47 2 1 55 111. 1991 118 20 80 87 98 49 3 3 56 111.3055. . . 118 19 84 90 97 47 5 57 111. 3086 118 18 84 93 98 44 3 1 58 111. 3180 118 19 83 78 99 52 13 59 AES 805 117 20 83 89 97 46 11 60 AES 810 117 18 85 95 91 46 1 7 61 111. 1332-4... . 117 18 84 93 96 47 1 7 62 111. 1930 117 21 82 96 97 46 3 63 111. 1986 117 18 84 95 98 43 2 2 64 111. 1996 117 19 83 96 95 47 1 1 65 111.3013 117 20 81 87 98 46 2 (Table is continued on next page) 7959] EXPERIMENTAL CORN HYBRIDS 23 Table 6. Continued Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Ur ea P rf d 'Smut C 1958 results (3 replications) Continued bu. perct. perct. perct. perct. in. perct. perct. 66 111. 3053 . . . 117 18 83 93 98 43 2 5 67 111. 3299 117 21 83 95 98 45 2 5 68 111. 21 116 18 83 89 99 49 3 5 69 111. 1332-2 116 18 83 92 93 46 1 3 70 111. 1570-1 116 18 84 82 98 48 3 6 71 111. 1893. . 116 18 83 90 96 51 4 6 72 111. 1975 116 21 81 84 99 53 4 3 73 111. 1994 116 19 81 89 99 46 1 3 74 111. 1995 116 19 84 84 96 48 1 5 75 111.3077 116 18 85 82 98 50 7 3 76 111. 3109. . 116 17 85 92 95 47 1 7 77 111. 3143 116 21 85 91 91 57 1 7 78 111. 3184 116 22 83 89 98 49 1 10 79 111. 3188 116 22 82 82 89 55 2 5 80 111. 3295 116 20 83 85 96 47 5 4 81 111.3297. . 116 19 84 96 100 41 2 1 82 111. 1982 115 19 83 80 92 50 4 5 83 111. 1993 115 20 80 86 93 47 3 84 111. 3084 115 20 83 96 97 46 1 3 85 111.3087 115 19 85 92 99 42 3 2 86 111. 3097. . 115 18 83 81 100 47 2 10 87 111. 3110 115 19 83 84 98 51 2 8 88 111. 3114 115 20 82 90 94 48 3 6 89 111.3121 115 17 85 96 95 43 3 90 111. 3185 115 20 85 86 100 52 14 91 111.3187. . 115 19 84 84 99 54 7 2 92 111. 1570-2 114 20 82 83 98 47 1 9 93 111. 1656-1 114 19 82 84 99 46 4 2 94 111. 1660 114 24 80 91 93 57 4 95 111. 1909 114 16 87 90 99 47 3 4 96 111. 1926. . 114 17 83 97 97 47 2 2 97 111. 1944 114 21 82 96 96 51 15 98 111. 1983-1 114 17 85 91 99 47 6 99 111. 1997 114 20 82 92 87 49 1 4 100 111. 3050 114 19 83 91 98 46 1 1 101 111. 3054. . 114 18 83 88 98 47 4 102 111. 3112 114 19 84 90 95 46 5 103 AES 702 113 20 82 96 99 41 2 104 111. 1570 113 19 83 88 94 46 1 5 105 111. 3082 113 18 82 98 98 44 3 3 106 111. 3105. . 113 18 85 83 97 48 4 107 111. 3108 113 19 85 91 99 50 1 4 108 111. 3179 113 17 86 90 95 49 2 10 109 Iowa 5023 113 18 83 91 98 45 3 110 Mo. 971 113 20 79 93 88 50 11 111 111. 1570A... 112 20 84 83 97 46 4 5 112 111. 1928 112 18 84 91 97 47 2 5 113 111. 1977 112 19 82 89 98 46 2 4 114 111. 1990 112 20 84 97 99 37 1 3 115 111. 2246W 112 18 85 84 99 52 8 11 116 111. 3056. . 112 17 86 96 98 44 6 117 111. 3070 112 19 83 79 96 49 5 118 111.3088 112 19 85 93 96 42 1 3 119 111.3116 112 17 85 94 99 44 3 3 120 111. 3181 112 20 84 85 100 49 1 5 121 111. 1656-2... 111 19 84 84 99 48 4 7 122 111. 1731B Ill 19 83 90 90 47 3 123 111. 1880 Ill 19 83 91 98 47 3 5 124 111. 1890 Ill 19 82 91 92 46 1 7 125 111. 1945 Ill 20 84 81 96 50 30 126 111. 2249W. . 111 19 84 92 96 48 9 30 127 111. 3106 Ill 18 80 88 96 44 1 5 128 111. 3296 Ill 19 82 95 96 46 4 6 129 Ind. 6833 Ill 19 84 84 99 44 8 9 130 Iowa 5113 Ill 19 83 89 95 44 (Table is concluded on next page) 24 BULLETIN No. 636 [January, Table 6. Concluded Rank in yield Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear Dropped c height earV Smut C 1958 results (3 replications) Concluded bu. perct. perct. perct. perct. in. perct. perct. 131 U.S. 13 Ill 19 82 79 95 50 5 1 132 111. 1918 110 19 86 90 100 49 2 2 133 111. 1946 110 20 83 78 99 52 12 134 111. 1974 110 19 85 88 98 50 7 135 111. 3062 110 18 86 96 98 48 2 8 136 111. 3073 110 19 81 88 100 45 1 9 137 Ill 3091 110 20 80 87 97 49 5 1 138 111. 3094 110 19 83 99 100 49 3 4 139 Ill 3100 110 19 84 95 94 45 15 140 111. 3125 110 16 86 94 100 43 1 4 141 III. 6021 ... 110 18 83 82 98 56 5 2 14? Ill, 1942 109 22 82 83 94 52 23 143 111. 1951 109 19 86 77 99 53 1 8 144 111. 1988 109 21 82 87 98 46 1 1 145 111. 3111 109 18 85 91 94 43 6 146 111. 6052 109 18 83 75 90 59 3 3 147 111. 1656 108 19 83 86 91 47 4 3 148 Til. 1973 108 18 85 84 98 44 1 1 149 111. 3065 108 17 85 86 98 50 5 150 111. 3113 108 18 82 95 96 42 3 151 111. 3124. . 108 19 81 97 99 44 1 1 152 AES 808 107 20 83 72 97 41 4 4 153 111. 1927 107 18 83 98 95 43 2 3 154 111. 1935 107 22 81 96 99 45 10 155 111. 1947 107 21 81 83 94 50 1 11 156 111. 1980. . 107 18 82 87 95 46 4 8 157 111. 3071 107 19 81 87 97 45 1 5 158 111. 3083 107 19 83 96 96 45 1 1 159 111. 3092 107 20 81 89 94 44 4 5 160 111. 3120 107 18 85 84 98 46 2 5 161 111. 1851. . 106 21 79 77 90 54 1 3 162 111. 1925 106 16 83 96 98 40 1 3 163 111. 3286 106 19 83 92 96 48 3 5 164 111. 1857 105 23 79 83 98 53 4 7 165 111. 1939 105 23 82 91 100 45 2 14 166 111. 3061 . . 105 18 86 94 99 45 7 167 111. 1943 104 20 80 94 94 47 5 168 111. 3057 104 18 85 97 95 41 6 169 111. 3069 104 18 84 92 96 44 1 7 170 ill. 3096 104 18 80 94 94 41 2 171 111. 3099 . . . 104 19 81 86 94 46 4 172 111. 1938 102 24 78 92 98 47 1 5 173 111. 3051 102 18 84 91 88 44 1 2 174 111. 3052 101 18 84 93 96 42 3 4 175 111. 3059 101 19 84 97 98 41 3 176 111. 1940. . 99 24 82 91 99 45 5 177 111. 3060 99 18 84 92 99 43 10 178 111. 6016 98 20 85 62 99 51 9 179 111. 1948 97 22 82 89 93 49 10 180 111. 3058 97 20 82 93 99 41 2 5 181 111. 3064. . 97 18 85 92 97 46 3 6 182 111. 3095 96 20 84 90 99 45 2 3 Average 114 19 83 89 97 47 2 5 1959] EXPERIMENTAL CORN HYBRIDS 25 Table 7. DOUBLE CROSSES OF ILLINOIS 1570 MATURITY Tested in Central Illinois (Field B), 1956-1958 (Data in boldface were not statistically different from the best performance for that characteristic) Rank in yield Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear Dropped Cm height ears Smut bu. perct. perct. perct. perct. in. perct. Perct. 1 111. 1981 127 19 81 89 98 49 1 4 2 111. 1976 125 21 79 84 96 49 1 4 3 111. 1978 125 21 80 83 99 50 2 1 4 111. 1995 125 21 85 79 97 49 1 4 5 111. 1982 124 21 80 81 96 50 3 3 6 111. 1996, . 124 21 81 93 97 47 1 1 7 111. 1919 123 19 82 85 97 46 2 6 8 111. 1984 123 21 79 86 98 47 1 1 9 111. 1991 123 21 80 86 96 47 2 2 10 111. 1332 122 19 82 90 97 47 2 3 11 111. 1851 . . . . 122 22 78 88 94 51 1 5 12 111. 1985 122 20 82 81 99 47 2 1 13 111. 1992 122 21 79 92 96 46 1 14 111. 1997 121 22 81 89 94 49 2 15 111. 1660 120 29 79 89 97 55 3 16 111. 1983. . . 120 18 84 92 99 46 2 2 17 111. 1570-1 119 20 81 84 99 47 2 3 18 111. 1918 119 20 83 87 99 47 2 1 19 111. 1944 119 21 79 95 97 51 9 20 111. 1945 119 22 82 84 98 52 1 14 21 111. 1570A.. . . 118 20 81 84 99 46 3 2 22 111. 1942 118 22 80 86 97 51 14 23 111. 1946 118 22 81 84 99 53 8 24 111. 1987 118 20 80 88 98 47 4 2 25 111. 1994 118 21 79 93 97 46 1 2 26 111. 1880. . . 117 18 83 88 99 46 3 2 27 111. 1947 117 21 82 86 96 49 1 6 28 111. 1980 117 18 81 91 97 47 3 3 29 111. 1986 117 19 82 91 96 43 1 3 30 111. 1951 116 19 84 86 97 51 1 4 31 111. 1943. . . 115 21 80 92 96 46 3 32 III. 1977 115 20 80 85 98 47 2 4 33 111. 1939 114 23 79 94 98 46 1 7 34 111. 1993 114 19 80 88 97 45 1 2 35 111. 1570 113 20 81 79 97 47 2 3 36 III. 1948. . 113 22 81 86 97 48 7 37 111. 1989 113 19 80 93 97 42 2 1 38 111. 1988 112 20 81 86 97 45 1 1 39 111. 1990 112 19 83 93 98 39 1 40 111. 2246W 109 19 80 85 98 51 5 5 41 111. 1938 108 25 77 94 97 47 3 42 111. 1940 106 24 80 93 98 46 5 Average 118 21 81 88 97 48 1 4 26 BULLETIN No. 636 [/angary, | O. ^ -j inois, 1954-1958 11 the best performance for that characteristic) t 1^ 3 tf) u^ Ct) 00 we T3 C s tfl ^1 wt i" t/3 " A-Sc "o y'3 SnS C 'S o 00 m o < i s o> T 0) bo rt fe : : : : 0. 1 ::: : 5 '.'.'.'. fe : : : : , 2 -"oo 5 t -f.-s.-t.-j. *, fe : : : : , IMOC , *" VJ Ot^^ 00 ^ O l^ \O O O ^ CNO-* vo ^ O CN O\ 00 IT) OT 1 1 ti vn o> i i T 0) bfi rt TfOO *'> IO *O>O>O to ifl ir)"i>om o OOt^>OV3 ^ aOOOv Ov wj'OiO'*' t- r^ if} \o *~- *O oaoc o 00 t^> OC 00 00 tM cNtoe ro><^>r!T4 (N^eocio * H H f. ^ H 0) H oo>e^.t^oo X'*'J"^(N o\>nfo)fN f^ l/)U^*O>'j'^' U^IOU^IOIO ^J"^f^^u^ >^ o>o>o>o>9> aommo> 0>o>ma>a> 5 Olflr^oc* OvOOCNO OCP^-*C t h* 00 : ~ ic 00 I~*t^-l^>OOO t^fOt^oOOO t^ fSi ifOO^N '-'CO 1 ' O f*^ 00 f^5 00 * 00 00 OC 00 00 OOOGOOOOOC OOt^OOt^OO 00 OO>O OOOOOOOO O WOO & t^ Tt< t^ fO t- ^H o O "*t ro O ^* O* P^ fO ^-00-*CS't 00>OOOt^O fOO*O"5C 00 o\ovO'O>o iom>o>ovo 10 1/5 >* fo >o O cs ^- TC < O^OOC m C OO Q u^vOfOO-PT; sO^O^O*^ t^O'Ow^oC O i in Central 11 ically different fro o U V al hi rt V X * r^2 2 fe SS= 3 ^ O f*3 PO <*} PO 75 t^^r- jj csroi^ 00 Two-year aver ocoo o 00 CSlOOv VO ^H 00 (N ^-1 00 ^t co TJTO W5 ^ ^ *O *^s CO - 1 V Iri 00 vn Ol i I O\OOO>O OvOvO'-'O O\OO^O>00 C vOOCO-HfO O>cs>OOt- * O 00 <*5 * <*: HT500l/}fN >-ifNOOfOOO SO'* >OOO * * fO tO fO fO T)< t3 ro to CS rOfOtSfOO) O \OvOO>O OvtMQfOCS '*'*OCO V O t 10 O vC H Ov -^ t^ 00 O *O t^ in ON -* O 4 ^ 5 tS 5 *"'*! i S 2 H H S 2 I DT) U "^ 1 < , o >o ^ 10 tso o fo O rt Zn 1 pq IO1O VO * IO O * O>O "1 1 ^OiO^OiOi/) O/)>Ou^tO *O*O^ft^Tf i/)
    tStNOON C H Z ^ s "o 5 jj < c X Q n U si V : : : : : : : : : : :::::& Cfl at : : : : : : : : : : :::::! r-i fc tocs^ > CSCN * l^-O fN "> "> CSlO-HfSOv OOVOCN-O t^tfOC ' i/,,,_>OO tNOO-^-H O M ^ 2 . . .Cfl SSS" < . . .C/3 C CC CC O C O ^C O C O O C . c .E3 SSD St<5-H = S = D ^-< tsrotiTO t^OCO>O'- e^r^TCiO'-* 1959} EXPERIMENTAL CORN HYBRIDS 27 Table 9. THREE-WAY CROSSES AND STANDARDS OF ILLINOIS 1570 MATURITY Tested in Central Illinois, 1958 (Data in boldface were not statistically different from the best performance for that characteristic) Code Entry Acre yield grain ing Erect plants Stand Ear height "25" Smut A- Inbred lines crossed with (HyXWFQ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 R92. bu. 98 perct. perct. 19 79 20 82 19 81 20 82 21 78 18 82 18 77 19 81 19 78 21 80 19 79 19 82 24 78 19 82 20 77 21 79 20 80 perct. 82 96 89 96 89 82 85 90 89 76 87 74 84 80 89 94 86 perct. 99 96 100 99 95 98 99 94 90 97 97 96 91 99 98 99 97 in. 49 45 48 49 50 55 51 51 58 56 55 55 55 48 50 48 51 perct. 3 1 2 2 1 2 4 4 7 1 2 1 1 2 perct. 2 5 9 2 5 5 12 2 10 7 5 9 1 5 R177 133 R186 121 R187 . . 113 R188 117 38-11 . 130 B45 122 H51 122 H52 116 L317 112 K805 130 K806 . . .. 110 Ky36-ll 111 Moll225 138 Oh7N . . ... . 131 Oh45S 137 121 B Inbred lines crossed with (WF9X38-11) 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Hy 127 19 18 19 17 17 21 20 19 20 20 20 19 21 19 20 20 19 81 80 81 82 83 76 76 82 82 81 78 81 77 78 79 78 80 84 85 96 88 92 91 85 87 88 83 89 48 81 83 87 91 85 88 96 99 98 89 97 93 95 97 97 98 97 94 98 99 98 96 54 46 47 44 43 47 51 53 53 54 47 52 51 48 49 48 49 1 3 1 1 1 1 1 2 3 2 1 1 3 1 7 2 10 8 17 4 7 4 6 6 10 2 5 12 3 7 7 R92. . . 82 R177 127 R186 97 R187 97 R188. . 104 B45 . . 115 H55 ... 122 H56 117 L317 104 K805. . . 97 K806 105 Ky36-ll 100 Moll225 121 Oh7N 116 Oh45S. . 112 Average 109 C Standard checks 33 35 34 Hy2XWF9 . 135 20 20 18 19 80 81 83 81 98 84 95 92 99 97 95 97 49 52 49 50 1 2 1 1 5 8 5 U.S. 13 122 WF9X 38-11 121 Average 126 Avers 116 20 80 86 96 50 2 6 28 BULLETIN No. 636 [January, Table 10. HIGH-OIL AND HIGH-PROTEIN THREE-WAY, DOUBLE, AND SINGLE CROSSES Tested in Central Illinois, 1958 (Data in boldface indicate performances better than average of all entries for that characteristic) Code Entry Acre yield Protein Oil Erect plants Stand Ears per hill A Inbred lines crossed with (38-11 XK4) bu. perct. perct. perct. perct. no. i R75 112 9.50 5.04 M 97 3.8 2 R76 85 11.25 5.96 71 97 4.0 * R78 111 10.03 6.90 84 97 4.1 4 R79 .... 128 10.75 4.66 69 100 4.0 5 R80 91 10.28 5.71 80 97 3.8 6 R81. . 100 10.04 4.18 47 100 3.8 7 R83 .... 117 10.34 5.95 72 100 4.2 8 R83A 91 10.62 4.88 54 88 3.9 9 R84 102 9.94 5.78 53 100 4.4 10 R85 .... 104 11.22 5.16 81 91 4.0 11 R86... . 124 11.28 4.90 74 97 3.8 12 R87 114 10.60 3.84 59 100 4.2 13 R88 72 9.68 5.25 49 94 3.2 14 R90 67 11.96 5.46 84 91 3.4 15 R91 75 11.40 5.54 88 97 3.9 16 R92 . . . . 110 9.84 5.14 84 100 4.1 17 R93 84 10.32 5.83 80 97 3.8 18 R117 107 10.13 4.51 84 88 4.0 19 R118 111 11.32 5.95 66 97 4.0 20 R120 105 11.43 4.82 94 97 3.9 21 R157. . . 111 10.06 4.50 84 100 4.1 22 R158 118 11.02 5.12 88 100 4.1 23 M14 103 10.90 4.85 84 100 4.0 24 38-11 70 11.62 5.13 74 97 3.9 25 A96 95 11.02 5.18 58 97 3.8 26 A148. . 75 10.96 4.63 65 97 3.8 27 N6 102 9.90 4.92 91 97 3.9 28 S.D.(H.P.) 84 12.38 4.74 75 100 4.0 29 Oh45 .... 116 10.41 5.14 97 100 4.0 30 OhSIA 90 9.81 5.18 93 97 3.8 31 M14XB2(2) 95 11.22 4.58 81 97 3.6 32 M14XOh51A(3) 83 10.88 5.54 46 97 3.5 33 R75XWF9(1B) .... 122 9.75 5.73 82 97 3.8 34 R75X38-11(1) 83 10.16 5.77 88 91 4.0 35 R75XN6(1) .... 124 9.47 5.21 78 100 4.0 36 R185 R76X5120B(3)... 101 10.32 5.42 84 94 3.9 37 R180R76XWF9(1B) 98 10.32 4.69 68 97 3.9 38 R76XB2(1A) 87 9.98 6.16 81 100 3.8 39 R76XI. 159(3) 101 10.04 4.81 88 100 4.0 40 R77XN6(3) 96 10.66 5.42 81 97 3.9 41 R77XOh51A(lA)... 90 9.62 6.56 75 97 3.8 42 51208X38-11(18) .... 106 10.56 4.36 72 100 3.9 43 5120BXB2(4) 97 10.78 4.94 73 91 3.5 44 5120BXOh45(l). . . .... 119 9.12 4.21 94 100 4.0 45 WF9XB2(2) .... 108 9.81 4.25 96 97 3.9 46 WF9XI.159(1A)... 124 9.19 4.48 91 100 4.0 4'/ WF9XOh45(2) .... 109 9.82 4.65 94 100 4.1 48 B2XK4(3) 96 10.72 5.38 68 97 4.1 49 R186B2XN6(2) 95 10.50 4.68 69 97 3.8 50 R193 B2XOh51A(l) 101 10.88 5.08 72 100 3.8 51 B2XOh51A(2)... .... 97 11.50 4.68 78 100 3.9 52 I.159XK4(2) 109 10.62 5.43 88 97 3.9 53 R184 I.159XOh45(2B). . .... 110 10.16 4.66 88 94 4.0 54 M14XR75(4) .... 118 10.25 4.84 88 100 4.0 55 R75X5120B(3) .... 127 9.64 4.90 79 97 3.9 (Table is continued on next page) 1959] EXPERIMENTAL CORN HYBRIDS Table 10. Continued 29 Code Entry Acre yield Protein Oil Erect plants Stand Ears per hill A Inbred lines crossed with (38-11 XK4) Continued bu. Perct. perct. perct. Perct. no. 56 R75X38-11(3) 92 10. 44 5. 60 94 100 4 .1 57 R75XN6(4) .... 123 9. 22 5, 68 88 94 3 .8 58 R182 R75XOh51A(l) 122 9. 34 5. 64 94 100 4 .0 59 R76XWF9(1A) 102 10. 78 5, 16 72 100 4 .1 60 R76X38-11(2) 83 11. 25 5. 42 76 97 4 .0 61 R76XKys(2) 61 12, 22 4, 18 62 94 3 .1 62 R76XOh51A(2) 97 10 37 4, 64 93 97 3 .9 63 R77X38-11(1A) 66 10 78 5, 62 75 94 3 .2 64 WF9XI. 159(3) 114 9 84 5 16 82 94 4 .0 65 WF9XKys(l) 114 9, 96 4, 76 78 94 3 .6 66 WF9XKys(4) 103 10 44 5, 11 81 91 3 .4 67 WF9XK4(2) 80 11 25 5, 03 80 88 3 .5 68 38-11X82(4) 65 10, ,47 5, 40 65 97 3.4 69 B2XKys(2A) 87 10, 94 4, 91 64 97 3 .8 70 B2XS.D.HP(2) 81 10 90 4 15 72 97 3 .5 71 B2XS.D.HP(3) 93 10, ,22 4, ,71 78 97 3 .8 72 I.159XKys(lB) 109 10 31 5 41 81 97 4 .0 73 I.159XN6(3) 112 9 ,44 4 94 78 100 4 .1 74 R188 KysXN6(lA) 93 9, 62 5 ,43 90 97 3 .9 75 KysXN6(3) 98 10, 56 4, 56 56 100 4 .2 76 A96XOh45(l) 99 9 .78 4 .66 88 100 3 .9 77 N6XOh45(4) 113 9 .75 5 .82 91 100 4 .1 78 N6XOh51A(3) 100 10 .03 5 .30 75 100 4 .0 79 C103 118 9 .62 4 .30 71 97 3 .9 80 Hy2 130 9 .34 5 .00 94 100 3 .9 81 R78.. . 100 9 .88 6 .90 72 100 4 .2 8? R79 131 10 .09 4 .82 88 100 4 .1 83 R80 90 10 .22 4 .72 75 100 4 .0 84 R81 99 9 .38 4 .60 61 97 3 .8 85 R82 114 10 .90 6 .09 69 75 3 .8 86 R83 . . . 90 10 .54 5 .18 57 88 3 .6 87 L317 95 10 .06 4 .70 78 91 4 .4 88 K201 111 10 .72 5 .90 84 97 4 .8 89 A71 109 10 .03 4 .90 59 100 4 .0 90 Oh84 80 10 .28 4 .84 62 100 4 .0 91 CI.2 . 114 10 .34 5 .06 83 97 4 .4 92 CI.4-8 90 10 .60 4 .68 54 88 3 .6 93 CI. 187-2 107 9.62 4 .46 84 97 4 .1 94 CI.540 120 9 .75 4 .88 73 94 5 .6 95 C103XHy2(2B) 134 9 .06 4 .42 88 100 4 .0 96 C103XCI.540(1).. . 117 9 .91 5 .32 91 100 3 .8 97 Hy2XR79(2) 130 9 .00 4 .96 84 100 4 .0 98 R196 Hy2XR83(3) 127 10 .52 5 .32 91 100 4 .1 99 R195 Hy2X 187-2(2) 114 9 .38 4 .98 74 97 3 .9 100 R198 R78XK201(1B) 104 10 .12 4 .78 81 100 3 .9 101 R79XL317(1A)... lit 9 .12 4 .78 84 100 4 .0 102 R79XCI.4-8(1) 102 9 .60 6 .11 91 94 3 .8 103 R197 R80XK201(1A) US 10 .72 6 .08 59 100 1 .0 104 R80XOh84(4) 110 11 .62 5 .66 66 100 4 .0 105 R80XCI.540(1B) 110 9 .84 5 .72 80 97 4 .0 106 R82XL317(1B) 97 10 .56 4 .96 72 94 3 .6 107 R82XCI.4-8(3) .... 109 10 .50 4 .47 71 91 3 .8 108 R83XCI.540(1) 101 9 .75 4 .98 53 100 4 .1 109 C103XR78(1) 110 10 .15 5 .12 72 100 4 .0 110 C103XR79(1B) 124 10 .60 5 .48 78 100 3 .9 111 C103XL317(1A)... 102 9 .22 4 .51 42 97 3 .9 112 C103XL317(1B) 110 8 .60 4 .26 67 97 3 .9 113 C103XA71(1A) 112 10 .34 5 .10 81 100 4 .0 114 Hy2XR79(lA) 113 10 .75 4 .68 81 100 4 .0 115 Hy2XR82(lA) 125 9 .25 4 .48 76 97 4 .1 116 R78XR79(1A).. 98 10 .25 5 .63 72 100 4 .0 117 R78XR80(1C) 97 9 .72 6 .09 53 100 4 .0 118 R78XCI.2(1B) . 107 10 .75 5 .28 60 97 4 .0 119 R78X187-2U) 128 10 .38 5 .04 75 100 4 .2 120 R79XR83(2) 106 10 .40 5 .34 84 88 3 .8 (Table is concluded on next page) 30 BULLETIN No. 636 [January, Table 10. Concluded Code Entry y -^ Protein Oil Erect plants Stand Ears per hill A Inbred lines crossed with (38-11 XK4) Concluded 121 122 123 124 125 R82XL317(1C) . bu. 105 perct. 9.78 9.69 9.68 9.90 9.88 10.27 perct. 4.86 4.71 5.15 5.26 4.32 5.10 perct. 75 88 75 75 84 76 perct. 100 100 91 100 94 97 no. 4.0 4.0 4.6 4.2 3.9 3.9 R83 X L3 1 7 (3) 99 R83XCI 2(1 B) 86 R83XCI.540(4) 120 CI 2X187-2(1 A) . . 102 103 B Double crosses 127 135 129 128 134 136 130 131 132 126 133 111. 1851 . 128 9.34 9.50 9.64 10.53 9.56 9.00 10.53 10.50 9.56 9.19 9.97 9.76 4.86 4.56 5.92 6.60 4.50 4.32 5.86 5.41 5.74 4.34 5.38 5.23 94 84 80 75 91 97 74 75 81 78 48 80 100 100 97 100 100 97 97 97 100 97 97 98 4 4 4 4 4 3 4, 4 4 3 4 4 .1 .1 .1 ,2 .0 .9 .1 .1 .1 .6 .0 .0 AES 805 125 111. 6021 122 Ill 6016 116 AES 702 116 U S 13 114 111. 6052 114 111. 6062 112 Ill 6075 97 111. 1277 96 Ill 6084 90 112 C Single crosses 137 140 139 138 Hy2XWF9 118 8.47 10.87 9.56 10.31 9.80 3.99 5.90 4.88 4.49 4.82 94 91 100 97 96 100 88 100 97 96 4 3 3 3 3 .0 .6 .9 .8 .8 K4X38-11 116 WF9X38-11 114 M14XWF9 89 109 Avei 'age of 140 entries 104 10.22 5.10 77 97 3 .9 1959] EXPERIMENTAL CORN HYBRIDS 31 Table 11. INBRED LINES AND SISTER- LINE CROSSES Tested in Central Illinois, 1958 (Data in boldface were not statistically different from the best performance for that characteristic) Code Entry Acre yiek Mois- Shell- Erect ing plants Stand Ear Dropped c height ears Smut Leaf blight A Inbred lines bu. perct. perct. perct. perct. in. perct. perct. score 1 Hy2 ... 35 23 77 97 99 31 2.4 19 HyR ... 40 20 81 77 91 38 1 3.6 R138 ... 44 18 82 85 91 40 1 1 3.5 3 R158 ... 45 15 81 85 99 35 2 1 5.0 4 CI.42A ... 36 23 78 88 98 37 1 2 3.1 5 WF9. . . 49 16 81 99 99 27 1 5 4.0 6 R75 ... 42 14 78 99 92 25 6 10 3.6 7 38-11.. . 35 16 76 87 88 40 1 1 2.5 8 R76 ... 30 20 75 48 85 45 6 2 3.1 9 CI.38B ... 17 22 72 98 91 36 1 12 2.6 20 L317. . 6 16 76 52 86 41 1 3 3.9 10 R118 ... 12 18 70 61 83 44 4 11 3.9 11 Oh41 6 15 67 67 86 26 2 4.2 12 CI.317B ... 10 26 50 80 93 42 1 12 3.2 13 Oh7 . . . . 51 20 81 90 89 36 6 2.2 14 Oh7A .. . 36 24 74 69 95 39 9 3.0 15 Oh7B ... 49 19 79 80 88 40 8 2.1 16 CI. 187-2.. . 43 16 82 100 98 36 13 4.4 17 W187R ... 41 13 81 80 92 36 1 1 5.0 18 R84 ... 22 14 80 73 83 46 3 55 3.9 Average ... 32 18 76 81 91 37 1 8 3.5 B Sister-line crosses 21 Hy2XR138 ... 61 20 84 93 93 40 3.0 22 Hy2XR158 ...123 20 82 94 98 45 1 2.0 23 Hy2XCI.42A ... 92 22 83 96 94 41 1 1 1.9 24 R138XR158 ...116 19 84 92 99 47 1 2.2 26 R158XCI.42A ...125 21 85 98 92 49 1 1.5 25 R138XCI.42A ... 105 23 84 86 96 47 4 2.2 27 WF9XR75 ... 77 16 82 99 99 29 2 7 3.8 28 38-11XR76 . 66 17 82 85 97 43 1 3 2.8 29 38-11 XCI.38B ... 53 20 78 69 80 38 1 2.2 30 R76XCI.38B ... 80 20 80 92 94 44 1 2.1 31 R118XOh41 . 51 19 74 59 94 48 1 3 3.2 32 R118XCI.317B 50 22 68 66 98 56 3 11 3.0 33 Oh41XCI.317B ... 53 18 76 69 95 52 3 5 3.1 34 Oh7XOh7A . 85 19 83 89 92 44 4 2.8 35 Oh7XOh7B . . . . 74 21 81 97 90 39 3 2.0 36 Oh7AXOh7B , . . . 83 23 78 93 92 46 4 2.0 37 187-2XW187R. . . 73 13 83 88 95 40 1 3 5.0 38 187-2XR84 ... 81 15 83 95 97 50 1 40 4.5 39 W187RXR84 ... 104 15 82 87 98 51 3 6 3.9 Average . . . . 82 19 81 87 94 45 1 8 2.8 32 BULLETIN No. 636 [January 14 3 Q 1 " |I .2 ^ u u CO Q S f^ O -9 a 55 o> a SCS tfl "", |A W) " t* t* ir. 00 O i- SfO o \o t^ O 00 ^ ^ o O* O sss oo ro oo a o oo 2 S2 S M "8 ISIS si 5 o to *o o ! d : * S o d 1 CO t" 00 CCO O\ GO CS CS CS M (S tS CS PQ IS ^ 3 S S S S S 3 2S 2 o ov -o e oo ^ gj 32 as - islsplBi spi i o- t cs ro TJ> in \o l~- CO O 1959] EXPERIMENTAL CORN HYBRIDS 33 Table 13. DOUBLE CROSSES OF ILLINOIS 1851 MATURITY Tested in South-Central Illinois, 1956-1958 (Data in boldface were not statistically different from the best performance for that characteristic) Rank Acre yield Mois- ture in grain ing Erect plants Stand Ear height Smut A Three-year averages, 1956-1958 bu. Perct. Perct. perct. perct. in. perct. i 111. 1851 . . . 98 24 78 87 99 54 1 2 111. 1539A 94 27 78 90 98 54 2 3 111. 1893 94 24 77 93 99 53 3 4 111. 1913 93 20 83 96 99 50 1 5 AES805 92 23 78 92 97 49 2 6 111. 1349. . . 91 26 81 88 97 54 3 7 111. 1850 91 26 76 88 99 53 2 8 111. 1935 91 21 80 91 98 48 3 9 111. 1849 90 27 73 95 98 51 1 10 111. 1852 90 26 74 85 95 51 1 11 111. 1889 90 22 78 91 98 48 6 12 111. 1918 90 24 79 92 97 48 1 13 111. 1928 90 24 78 94 100 50 1 14 111. 1945 90 25 80 83 97 51 4 15 111. 1909 89 22 80 92 96 48 1 16 111. 1919. . 89 22 80 86 96 47 4 17 111. 1771 88 26 79 86 95 50 2 18 111. 1856 88 26 75 95 97 51 2 19 111. 1948 88 24 80 89 97 49 2 20 U.S. 523W 87 26 77 75 98 49 2 21 111.200. . . 86 24 79 79 96 53 2 22 111. 1332 85 24 79 93 97 50 2 23 111. 1570 85 23 78 91 98 48 1 24 111. 1921 85 25 79 89 96 45 3 25 111. 1942 85 26 78 87 100 51 12 26 111. 1926. . . 84 23 77 93 96 48 1 27 111. 1947 84 25 77 88 100 49 3 28 111. 1946 83 24 79 90 96 54 3 29 111. 1656 82 24 79 85 95 47 2 30 111. 1922 82 24 78 96 99 47 2 31 111. 1927 82 24 77 93 98 46 1 32 111. 1939 80 25 76 97 99 48 3 33 111. 1943 80 25 77 85 96 46 1 34 U.S. 13 80 24 78 79 96 51 1 35 111. 1940 79 26 77 92 98 51 2 36 111. 1944. . 79 25 77 85 99 49 4 37 111. 1951 79 22 80 85 96 49 2 38 111. 1938 77 27 74 93 99 47 4 39 111. 1949 77 25 76 94 98 48 1 40 111. 1941 67 27 73 85 95 50 8 Average. . . . 86 24 78 89 97 50 2 B Two-year averages, 1957-1958 1 111. 1851 . 102 28 76 84 99 53 2 1 111. 1660 98 30 76 76 97 48 3 U.S. 619W 98 30 76 80 98 46 2 4 111. 1893 96 28 76 90 98 52 4 5 111. 1913 96 24 82 94 98 48 1 6 111. 1928 . 96 29 78 92 100 50 7 111.3141 96 31 79 79 96 52 8 111.3129 95 28 77 86 99 48 5 9 Ind. 6874 95 28 75 86 99 49 2 10 AES805 94 26 76 94 97 46 2 11 111. 1539A... 94 32 77 90 98 54 3 1? 111. 1889 94 26 77 90 98 46 7 13 111.3126 94 27 79 92 98 48 14 111.3147 .... 94 28 78 82 100 51 1 15 111. 1850 92 32 74 85 99 49 2 (Table is continued on next page) 34 BULLETIN No. 636 [January, Table 13. Continued Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Smut B Two-year averages, 1957-1958 Concluded bu. percl. perct. perct. perct. in. perct. 16 111. 1919 . 92 26 80 82 94 46 4 17 111. 1935 . . . 92 25 78 87 98 46 4 18 111. 1945 92 30 79 77 96 46 6 19 111. 3133 92 28 80 86 100 48 5 20 111.3136 92 28 78 96 98 46 1 71 111.3143. . . 92 28 78 56 98 49 6 ?.?. 111. 1349 91 30 80 88 97 52 3 73 111. 1852 91 31 70 82 94 48 74 111. 3149 91 28 78 94 94 46 2 25 111. 1849 90 32 70 94 98 48 1 76 111. 1856. . . 90 31 72 96 98 48 1 27 111. 1909 90 26 79 94 95 45 2 28 111. 1918 90 28 78 93 96 48 79 111. 1942 90 30 76 82 100 49 16 30 111.3138 90 28 78 78 98 52 2 31 111.3145. . . 90 30 76 92 95 47 4 32 111. 3148 90 30 78 90 96 44 6 33 U.S. 523 W 90 32 76 70 99 46 2 34 111. 1771 89 30 78 82 94 48 3 35 111. 1948 89 28 79 84 97 48 2 36 111. 200 . 88 28 78 75 95 49 3 37 111. 1921 88 29 77 86 95 44 4 38 111. 1947 88 30 77 83 100 46 4 39 111. 3137 88 30 76 83 96 54 2 40 111.3140 88 32 74 73 100 53 4 41 111. 1946. . . 87 29 79 86 94 52 4 42 111.3150 . 87 30 76 83 96 48 1 43 111. 1570 86 27 76 92 98 46 1 44 111. 1880 86 26 78 90 96 42 2 45 111. 3131 86 31 76 86 96 50 3 46 111.3135. . . 86 31 74 96 98 49 47 Mo. 958 86 33 72 66 96 53 2 48 111.3128 85 31 76 76 96 54 2 49 111. 1332 84 28 79 90 96 46 2 50 111. 1926 84 27 75 91 94 45 1 51 111. 1927. . . 84 28 77 90 99 43 1 52 111. 1939 84 28 74 96 98 47 4 53 111. 3139 84 30 74 96 100 48 2 54 111.3057 83 28 80 82 93 43 6 55 111. 1922 82 28 77 94 98 46 2 56 111. 1943. . . 82 29 76 80 94 44 2 5V 111. 1951 82 26 80 78 98 46 4 58 111.3127 82 31 74 98 94 49 2 59 111. 1940 80 30 76 88 98 49 3 60 111. 3146 80 30 71 89 96 51 8 61 U.S. 13. .. . 80 29 76 74 96 50 1 62 111. 1944 79 30 77 80 98 46 4 63 Ind. 6615. . . . 79 32 72 92 99 48 2 64 111. 1656 78 30 77 84 92 42 3 65 111. 1938 78 32 72 90 98 44 5 66 111. 1949. . 76 30 74 91 96 46 1 67 111.3059 76 26 79 86 100 42 68 111. 3058 72 26 77 96 99 46 69 111. 1941 63 32 70 78 93 48 11 Average 88 29 76 86 97 48 3 (Table is continued on next page) 7959] EXPERIMENTAL CORN HYBRIDS 35 Table 13. Continued Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Smut C 1958 results (3 replications) bu. perct. perct. perct. perct. in. perct. i 111.3141.. 129 18 87 88 97 49 2 111. 3190 129 18 85 97 98 51 2 3 111. 3192A 127 18 85 93 97 48 2 4 111. 3198A 127 17 87 91 98 49 6 5 U.S. 619W 127 18 83 89 98 49 3 6 111. 1660. . 125 19 85 94 97 48 1 7 111. 3210 124 18 84 96 100 51 13 8 111. 3200A 123 17 88 90 94 50 6 9 111. 3211 123 18 84 90 96 49 1 10 111. 1856 122 17 86 95 99 49 2 11 111.3193. . 122 16 88 96 97 48 4 12 111. 3204A 121 18 83 97 99 50 6 13 Kan. 4003 121 18 88 85 99 51 3 14 111. 1849 120 18 83 99 100 46 2 15 111. 3205 120 18 85 93 99 50 7 16 111. 3213. . . 120 17 83 93 91 47 2 17 111. 1852 119 17 84 94 97 47 1 18 111. 1850 118 18 82 95 99 50 3 19 111. 1851 118 17 85 94 99 51 3 20 111. 3209A 118 17 84 93 97 49 3 21 111. 1539A... 117 17 84 99 99 52 6 22 111. 3205A 117 18 83 92 99 50 11 23 111.3214 117 17 85 94 100 47 9 24 111. 3131 116 17 84 93 99 53 6 25 111. 3200B 116 17 86 93 91 52 6 26 111.3206. . . 116 18 82 97 96 48 4 27 Ky. 5712 116 18 82 96 100 44 6 28 111. 3198B 115 17 87 88 96 50 6 29 111. 3209B. . . 115 18 85 83 94 50 7 30 111. 3197B 114 18 83 97 97 46 6 31 111. 3207. . . 114 18 81 92 99 47 1 32 Ky. 5708 114 18 81 90 98 48 5 33 111. 1893 113 16 82 93 98 50 8 34 111. 1928 113 17 85 94 100 49 1 35 111. 3129 113 16 84 93 99 47 10 36 111. 3135. . 113 17 83 98 99 51 37 111.3137 113 17 84 93 94 52 5 38 111.3147 113 17 83 94 100 51 2 39 111. 3192 113 17 84 94 88 48 1 40 111.3203 113 18 84 82 100 49 3 41 Ky. 105... 113 19 83 80 96 50 10 42 Ill 3140 112 18 84 99 100 50 8 43 111.3189 117 17 87 82 97 44 5 44 111. 3192B 112 17 86 87 91 46 1 45 111. 3205B 112 17 85 90 94 46 46 111.3215. . 112 19 82 91 100 48 7 47 Ind. 6874 112 17 84 83 99 48 4 48 U.S. 523 W 11? 18 84 91 99 46 3 49 111. 1889 Ill 16 84 89 98 47 14 50 111. 1913 Ill 15 90 97 98 47 2 51 111. 3138. . . Ill 16 85 94 96 49 4 52 111.3145 Ill 17 * 83 96 96 48 5 53 111. 3195 Ill 17 88 82 94 45 5 54 111. 3196B Ill 18 86 90 98 48 6 55 Mo. 958 Ill 18 82 89 96 52 5 56 111. 1349. . . 110 18 88 92 97 49 6 57 111. 3126 110 17 86 94 100 47 1 58 111. 3197A 110 19 84 94 98 46 8 59 111. 3199 110 19 83 89 98 49 2 60 111.3208 110 18 81 93 97 47 7 (Table is concluded on next page) BULLETIN No. 636 [January, Table 13. Concluded Rank in Entry yield Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Smut C 1958 results (3 replications) Concluded bu. perct. Perct. perct. perct. in. perct. 61 111. 1909 . 108 15 86 88 98 44 4 6? 111. 1921 108 16 85 99 96 43 8 63 111.3133 108 17 86 93 100 47 10 64 111. 3143 108 18 85 79 97 48 11 65 111.3149 108 16 84 92 94 45 5 66 111.3150 108 17 84 94 96 51 2 67 Mo. 4047BW 108 18 79 93 99 48 2 68 111. 1939 107 16 83 96 100 48 8 69 111. 1942 107 18 83 86 100 46 32 70 111.3127 107 17 83 99 93 50 3 71 111. 3202 B.. . . 107 17 83 90 96 49 72 111. 1918 106 16 85 94 97 49 1 73 111. 1945 106 18 84 74 94 47 11 74 111.3057 106 17 85 87 94 48 12 75 111. 3204B 106 18 84 84 96 48 13 76 U.S. 13 . 106 16 86 87 99 49 2 77 111. 1771 105 18 83 77 97 45 6 78 111.3134 105 17 82 93 92 49 2 79 U.S. 632 105 20 83 91 93 45 7 80 111.3128 104 18 83 88 94 52 5 81 111.3148 . 104 17 84 83 93 41 9 82 111. 3212 104 18 80 90 91 45 6 83 Ky. 2105 104 15 85 91 98 46 7 84 N7002 104 20 77 90 98 51 24 85 AES805 103 16 83 94 98 46 5 86 111. 1947. . . 103 18 83 84 100 46 9 87 111. 3136 103 16 83 93 98 46 2 88 111. 3202A 103 18 85 90 96 45 4 89 111. 1926 102 16 81 96 93 46 2 90 111.3139 102 17 81 98 100 48 3 91 111. 200.. . 101 16 82 79 93 48 6 92 111.3146 101 18 85 96 94 47 15 93 111. 1943 100 18 83 98 96 47 3 94 111. 3196A 100 18 82 76 97 47 8 95 Ind. 6615 100 18 82 88 99 51 5 96 N7000. . . . 100 22 78 80 99 57 29 97 111. 1938 99 19 81 91 100 43 10 98 111. 1946 99 16 85 90 97 47 9 99 111. 1948 99 18 85 92 100 45 3 100 111.3209 99 18 84 80 91 47 6 101 Ill 1332 . 98 15 85 88 97 45 5 102 111. 1570 98 16 84 92 98 45 2 103 111. 1880 98 16 85 92 96 45 4 104 N7001 98 20 77 98 94 63 31 105 111. 1656 97 16 85 88 99 43 6 106 Ill 1935. . . 97 15 84 87 97 43 8 107 111. 1919 96 16 86 72 97 45 8 108 Kan. 2606 96 18 80 87 99 48 109 111. 1927 95 16 83 97 99 44 2 110 111. 1940 92 18 84 93 96 48 6 111 111. 1949.. . 92 18 84 91 96 44 2 112 111. 3201 92 17 81 74 97 44 6 113 N7003 91 20 78 91 93 54 45 114 111. 1944 90 18 83 87 97 43 7 115 111. 1951 89 15 85 90 98 38 7 116 111. 1922. . . 87 17 82 97 100 43 4 117 111. 3059 85 17 85 96 100 41 1 118 111. 3058 78 17 82 94 99 43 1 119 111. 1941 73 18 82 72 89 45 22 Average , 108 17 84 90 97 48 6 1959] EXPERIMENTAL CORN HYBRIDS 37 Table 14. THREE-WAY, SINGLE, AND DOUBLE CROSSES OF ILLINOIS 1851 MATURITY Tested in South-Central Illinois, 1958 (Data in boldface were not statistically different from the best performance for that characteristic) Code Entry Acre yield Mois- ture in grain Shell- ing Erect plants Stand Ear height Smut A Inbred lines crossed with (B41 X Oh7A) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 R90. . . bu. 99 Perct. 15 16 17 16 17 17 16 17 20 18 17 16 16 16 16 16 18 17 17 17 17 18 17 18 18 16 18 16 19 17 Perct. 86 86 85 88 85 88 86 80 84 86 86 84 88 85 82 87 83 86 82 83 85 81 85 83 84 87 84 83 91 85 perct. 99 94 98 93 95 98 100 95 99 96 97 98 99 82 93 100 97 83 97 83 90 98 94 94 93 98 99 95 93 95 perct. 83 97 94 100 91 92 98 93 93 99 87 98 96 72 96 93 92 99 100 97 98 96 93 99 100 100 93 92 100 95 in. 48 52 48 55 51 45 46 49 52 43 48 45 45 42 44 45 48 44 48 44 46 46 48 46 45 50 51 49 50 47 perct. 3 2 7 2 1 2 1 5 3 10 5 1 5 12 4 3 1 1 1 1 3 1 4 3 R190 113 R191 111 38-11 . 131 K708 118 K720. . . 111 K763 . 124 K5-50 106 K6-49 130 Ky55-549 121 Ky55-562 . . 122 Ky56-433 111 Mo. Syn Ill Mo3952 90 Mo3957 112 Mo9681 112 Mo53686 101 Oh41 107 Va6-52 117 Va6-58 115 Va6-71 118 Va6-79 119 Va6-112 106 Va6-118 Ill Va6-136 114 Va6-224 . 137 CI.21E 127 CI.38B 113 (CI.21EXCI.42A) 130 115 B Single cross 30 B41XOh7A 113 17 87 99 96 50 C Double crosses 31 32 34 35 33 36 111. 1851 . 125 17 14 15 15 14 16 15 85 89 86 87 86 87 87 99 92 95 98 87 99 95 98 93 94 97 97 92 95 55 49 52 42 53 46 50 7 1 4 5 2 1 3 111. 1913 120 111. 6052 , 112 AES 805 , 112 111. 6021 , 109 U.S. 13 , 107 Average 114 Aven ige of 36 entries 115 17 85 95 95 48 3 38 BULLETIN No. 636 [January, g ~ l^r^ in P*J ^ *-* r>) B | : : : : C/J rt 60 ws .ssass 32 3 ^ fs *o O ^ "O 3 ^J 00 O* O O^ 22 2 SaSJ a t tjS ^OCSOOS . r*5 ^-i \O **5 C* u._rt fe^soso 0000 OC 00 So H m^so oo 00 00 00 oooooo oo Kt, H^ ^ ^ ? ^ C/3 00 J Q 2ic 00 00 T-H HH ^ 3 '3 00 ^ OsO * 00 01 00 X 00 0<^C -H (f *mso m .2 M o i PH ^.5 1-1 rt" * o -PERFORMANCE OF HIGH ABLE FOR COMMERCIAL F c '53 o s A Northern Illinois, DeKalb, K a . rf in in oo S CS * (N pQ ^ O> OOI-- B North-Central Illinois, Peori "500 O o m TfOO 00 00 SO 00 C Central Illinois, Urbana, 195 t^ O *O CO O ^ CS O> South-Central Illinois, Brownsi cSin 1 TT f> CS f*5 'SO Tj- Tf SO tS- csK > jJf> > tsS"> ^ SS M<: SS < SS^ ^ So < *, t . t/) . . c/ __._.(/} _ I 2S SSIJ 55^j 1959] EXPERIMENTAL CORN HYBRIDS 39 TABLE 16. DOUBLE-CROSS HYBRID NUMBERS, PEDIGREES, AND INDEX TO TABLES (Hybrids that were high yielding and had excellent standability are indicated by table numbers in boldface type) Hybrid Pedigree Table No. AES 510 (WF9 X W22) (H19 X B9) 2ABC AES 601 (M14 X B14) (WF9 X W22) 2ABC AES 610 (III. 1580) (M14 X A73) (Oh43 X OH51A) 2ABC AES 702 (III. 1790) (C103 X M14) (Hy2 X WF9) 2ABC, 4ABC, 5D, 6ABC, 1OB AES 704 (III. 3016A) (WF9 X Oh43) (B14 X B37) 4ABC AES 805 (III. 1770) (C103 X Oh45) (WF9 X 38-11) 4ABC, 6ABC, 1OB, 13ABC, 14C AES 808 (WF9 X 38-11) (H14 X Oh43) 6ABC AES 809 (C103 X Oh43) (P8 X WF9) 6ABC AES 810 (WF9X H50) (Oh7B X Oh45) 6ABC AES 811W (H30 X K41) (MolW X N72) 6ABC III. 21 (Hy2 X 187-2) (WF9 X 38-11) 2ABC, 4ABC, 6ABC III. 21-2 (HyR X 187R) (WF9TMS X 38-11) 4C III. 21-3 (WF9 X 38-11) (187-2 X CI.42A) 4C III. 21-4 (HyR X 187-2) (WF9TMS X 38-11) 4C III. 101 (M14 X WF9) (187-2 X W26) 2ABC III. 200 (WF9 X 38-11) (L317 X K4) 13ABC III. 274-1 (Hy2 X WF9) (Oh7 X 187-2) 4ABC, 6ABC III. 972A-1 (Hy2 X L317) (WF9 X Oh7) 4ABC, 6ABC III. 1091A (Hy2 X 187-2) (M14 X WF9) 2ABC III. 1277 (M14 X WF9) (1.205 X 187-2) 2ABC, 3D, 4ABC, 10B III. 1279 (M14 X WF9) (A375 X 187-2) 2ABC III. 1281 (M14 X WF9) (A374 X A375) 2ABC III. 1289 (M14 X W22) (WF9 X 1.205) 2ABC III. 1332 (Hy2 X Oh7) (WF9 X 38-11) 4ABC, 6ABC, 7, 13ABC III. 1332-2 (HyRX Oh7R) (WF9TMS X 38-11) 6BC III. 1332-3 (WF9 X 38-11) (Oh7 X CI.42A) 6BC III. 1332-4 (HyRX Oh7) (WF9TMS X 38-11) 6BC III. 1349 (38-11 X Mo940) (K155 X K201) 13ABC III. 1511 (Hy2 X WF9) (38-11 X L304A) 4ABC, 6ABC III. 1511A1 (HyR X L304A) (WF9 X 38-11MS) 4C, 6C III. 1539A (38-11 X CI.7) (K201 X CI.21E) 13ABC III. 1555A (WF9 X OH51A) (1.224 X Oh28) 2ABC, 4ABC III. 1557 (M14 X Oh28) (1.205 X OH51A) 2ABC III. 1559B (M14 X Oh28) (WF9XOH51A) 2ABC III. 1560A (WF9 X OH51A) (1.205 X Oh28) 2ABC III. 1570 (Hy2 X Oh41) (WF9 X 38-11) 4ABC, 6ABC, 7, 12B, 13ABC III. 1570-1 (HyR X Oh41) (WF9TMS X 38-11) 6BC, 7 III. 1570-2 (WF9 X 38-11) (Oh41 X CI.42A) 6BC III. 1570A (Hy2 X WF9) (38-11 X Oh41) 6BC, 7 III. 1575 (M14 X WF9) (L12 X Oh28) 2ABC, 4ABC III. 1656 (C103 X Hy2) (WF9 X 38-11) 6ABC, 13ABC III. 1656-1 (C103 X HyR) (WF9TMS X 38-11) 6BC III. 1656-2 (C103 X CI.42A) (WF9 X 38-11) 6BC III. 1660 (K4 X K201) (Oh7 X CI.21E) 6BC, 7, 13BC III. 1731B (C103 X WF9TMS) (HyR X Oh7B) 6C III. 1771 (Oh7B X CI.7) (T8 X CI.21E) 13ABC III. 1813 (C103 X Oh45) (Hy2 X WF9) 6ABC III. 1814 (Hy2 X WF9) (M14 X Oh45) 4ABC III. 1831 (WF9 X W146) (K237 X Oh45) 4ABC III. 1849 (C103 X 38-11) (K201 X CI.21E) 13ABC (Table is continued on next page) 40 BULLETIN No. 636 [January, Table 16. Continued Hybrid Pedigree Table No. III. 1850 (C103 X CI.21E) (38-11 X K201) 13ABC III. 1851 (C103 X 38-11) (Oh7X CI.21E) 6BC, 7, 1OB, 13ABC, 14C III. 1852 (C103 X CI.21E) (38-11 X Oh7) 6BC, 13ABC III. 1856 (38-11 X Oh7) (K201 X CI.21E) 6BC, 13ABC III. 1857 (38-11 X Oh41) (K201 X CI.21E) 6BC III. 1862 (Iowa 4779) (M14 X WF9) (Oh43 X OH51A) 2ABC Ml. 1863 (M14 X WF9) (1.205 X Oh43) 2ABC, 4ABC III. 1864 (M14 X WF9) (Oh43 X W22) 2ABC III. 1866 (M14 X WF9) (OH26A X Oh45) 2ABC III. 1868 (C103 X Oh43) (Hy2 X WF9) 4ABC III. 1875 (C103 X 38-11) (Hy2 X WF9) 4ABC III. 1880 (R103 X R104) (WF9 X 38-11) 6ABC, 7, 13BC III. 1889 (C103 XOH45) (38-11 X Oh29) 6ABC, 13ABC III. 1890 (C103 X Oh45) (R75 X 38-11) 6ABC III. 1893 (C103 X 38-11) (Oh7B X Oh29) 6ABC, 13ABC III. 1909 (R130 X R151) (WF9 X 38-11) 6ABC, 13ABC III. 1913 (R151 X R154) (WF9 X 38-11) 13ABC, 14C III. 1916 (R130X R154) (WF9 X 38-11) 6ABC III. 1918 (R151 X R153) (WF9 X 38-11) 6ABC, 7, 13ABC III. 1919 (R130 X R156) (WF9 X 38-11) 4ABC, 6ABC, 7, 13ABC III. 1921 (R71 X R105) (WF9 X 38-11) 4ABC, 6ABC, 13ABC III. 1922 (Hy2 X WF9) (R71 X R105) 6ABC, 13ABC III. 1925 (Hy2 X WF9) (R71 X R113) 6BC III. 1926 (R71AX R74) (R75 X 38-11) 6ABC, 13ABC III. 1927 (Hy2 X WF9) (R71A X R74) 6ABC, 13ABC III. 1928 (R75 X 38-11) (R98 X R105) 4ABC, 6ABC, 13ABC III. 1930 (Hy2 X WF9) (R98 X R105) 6C III. 1935 (C103 X R101) (R75 X 38-11) 6ABC, 13ABC III. 1936 (Hy2 X WF9) (M14 X B14) 2ABC, 4ABC III. 1938 (R71 X R105) (R98 X R153) 6BC, 7, 13ABC III. 1939 (R71 X R98) (R105 X R153) 6BC, 7, 13ABC III. 1940 (R71 X R153) (R98 X R105) 6BC, 7, 13ABC III. 1941 (R98 X R105) (R130 X R153) 13ABC III. 1942 (R98 X R153) (R105 X R130) 6BC, 7, 13ABC III. 1943 (R71 X R105) (R153 X R154) 6BC, 7, 13ABC III. 1944 (R71 X R98) (R130 X R153) 6BC, 7, 13 ABC III. 1945 (R98 X R151) (R105 X R130) 6BC, 7, 13ABC III. 1946 (R98 X R155) (R105 X R130) 6BC, 7, 13ABC III. 1947 (R105 X R130) (R153 X R155) 6BC, 7, 13ABC III. 1948 (R105 X R151) (R153 X R154) 6BC, 7, 13ABC III. 1949 (R71 X R105) (R151 X R153) 13ABC III. 1951 (R71 X R130) (R98 X R155) 6BC, 7, 13ABC III. 1952 (M14 X B14) (A545 X W64A) 2ABC III. 1953 (M14 X A223) (B14 X W64A) 2ABC III. 1955 (M14 X A297) (B14 X W64A) 2ABC III. 1956 (M14 X A545) (B14 X A239) 2ABC III. 1957 (M14 X A545) (B14 X W64A) 2ABC Ml. 1958 (M14X OK26A) (B14 X A545) 2ABC III. 1959 (Ind. 6225) (M14 X W64A) (B14 X A297) 2ABC III. 1960 (M14 X W64A) (B14 X A545) 2ABC III. 1961 (B14 X A545) (A239 X W64A) 2ABC "I. 1962 (B14 X A545) (A297 X W64A) 2ABC "1.1966 (R163X R165) (WF9 X B14) 4ABC (Table is continued on next page) 1959] EXPERIMENTAL CORN HYBRIDS 41 Table 16. Continued Hybrid Pedigree Table No. III. 1967 (R163 X R168) (WF9 X B14) 4ABC III. 1968 (R163 X R169) (WF9 X B14) 4ABC III. 1969 (R165 X R168) (WF9 X B14) 4ABC III. 1970 (R165 X R169) (WF9 X B14) 4ABC 111.1971 (R168X R169) (WF9 X B14) 4ABC III. 1973 (R163X R168) (R165 X R169) 6ABC III. 1974 (R163 X R169) (R165 X R168) 6ABC III. 1975 (WF9 X CI.38B) (CI.42A X CI.317B) 6ABC III. 1976 (38-11 X Oh41) (Oh7 X CI.21E) 6BC, 7 III. 1977 (WF9 X 38-11) (Oh29 X Oh41) 6BC, 7 III. 1978 (C103 X 38-11) (WF9 X Oh7A) 6BC, 7 III. 1980 (C103 X B14) (WF9 X 38-11) 6BC, 7 III. 1981 (WF9X 38-11) (Oh7 X CI.21E) 6BC, 7 111.1982 (C103 X 38-11) (WF9 X CI.21E) 6BC, 7 111.1983 (Hy2 X B14) (WF9 X 38-11) 6BC, 7 III. 1983-1 (HyR X B14) (WF9 X 38-11MS) 6C III. 1984 (Hy2 X WF9) (Oh29 X Oh41) 6BC, 7 III. 1985 (Hy2 X WF9) (R61 X Oh41) 6BC, 7 111.1986 (Hy2 X WF9) (Oh43 X 187-2) 6BC, 7 III. 1987 (C103 XB10) (Hy2 X WF9) 6BC, 7 111.1988 (C103 X R61) (Hy2 X WF9) 6BC, 7 III. 1989 (Hy2 X WF9) (M14 X Oh29) 6BC, 7 111.1990 (Hy2 X WF9) (M14 X Oh43) 6BC, 7 III. 1991 (C103 X BIO) (WF9 X Oh7A) 6BC, 7 III. 1992 (C103 X B14) (WF9 X Oh7A) 6BC, 7 III. 1993 (WF9 X Oh41) (BIO X B14) 6BC, 7 III. 1994 (C103 X WF9) (Oh29 X Oh41) 6BC, 7 III. 1995 (Hy2 X Oh7) (38-11 X Oh41) 6BC, 7 III. 1996 (C103 X B14) (Hy2 X Oh7) 6BC, 7 111.1997 (C103 XOH41) (Hy2 X Oh7) 6BC, 7 III. 1999 (C103 X Oh43) (M14 X WF9) 2BC III. 3002 (CB4603) (B14 X A297) (A295 X W64A) 2C III. 3007 (R161 X WF9) (R169 X B14) 2BC III. 3008 (R165 X WF9) (R168 X B14) 2BC III. 3009 (B14 X B21) (A297 X W64A) 2BC III. 3010 (C103 X N24) (WF9 X B14) ABC III. 3011 (C103 X Oh43) (WF9 X B14) 4BC, 6C III. 3013 (C103 X Oh41) (Hy2 X WF9) 6C III. 3014 (Hy2 X WF9) (B14 X Oh41) 4BC III. 3015A (WF9 X B14) (B37 X N24) 4BC III. 3015B (WF9 X N24) (B14 X B37) 4C III. 3016 (WF9X B14) (B37 X Oh43) 2BC, 4BC III. 3017 (WF9X B14) (B37 X Oh45) 4BC III. 3018 (WF9X B14) (B38 X N24) 4BC III. 3019 (WF9 X B14) (B38 X Oh43) 4BC III. 3020 (WF9 X B14) (N6 X Oh43) 4BC III. 3021 ( WF9 X B14) (N6 X Oh45) 4BC III. 3022 (WF9 X B14) (N22A X Oh43) 4BC III. 3023A (WF9 X B14) (N24 X Oh43) 2C, 4BC III. 3023B (WF9 X N24) (B14 X Oh43) 2C, 4C III. 3024 (WF9X B14) (N24 X OH422) 4BC III. 3025 (WF9 X B14) (N610 X Oh43) 4BC (Table is continued on next page) 42 BULLETIN No. 636 [January, Table 16. Continued Hybrid Pedigree Table No. MI.3026. . (WF9X B14) (N610 X Oh45) 4BC III. 3027 (WF9 X B14) (N611 X Oh43) 4BC III. 3028 (CB4726A) (WF9 X B14) (Oh28 X Oh43) 4ABC, 5D HI. 3029 (WF9X B14) (Oh43 X Oh45) 4BC 111.3030 (WF9XB14) (Oh43 X OH422) 4BC III. 3032. . (WF9 X B38) (Oh28 X Oh43) 4BC III. 3034 (WF9 X N6) (Oh28 X Oh43) 4BC III. 3035 (WF9 X N613) (Oh28 X Oh43) 4BC III. 3036 (B14 X N6) (Oh28 X Oh43) 4BC III. 3038 (B37X OH26A) (Oh28 X Oh43) 4BC III. 3039 (B37X B38) (Oh28 X Oh43) 4BC 111.3042 (WF9X B14) (B40 X Oh45) 4BC III. 3043 (R71 X R109B) (WF9 X B14) 2BC, 4BC III. 3044 (R109B X R113) (WF9 X B14) 2BC, 4BC III. 3045 (R109B X R168) (WF9 X B14) 2BC, 4BC III. 3046 (R113 X R168) (WF9 X B14) 2BC, 4BC III. 3047 (R71 X R113) (WF9 X B14) 2BC, 4BC III. 3048 (R71 X R168) (WF9 X B14) 2BC, 4BC III. 3049 (Hy2 X WF9) (R71 X R109B) 6BC III. 3050 (Hy2 X WF9) (R109B X R113) 6BC III. 3051 (Hy2 X WF9) (R109B X R168) 6BC III. 3052 (Hy2 X WF9) (R113 X R168) 6BC III. 3053 (R71 X R109B) (WF9 X 38-11) 6C III. 3054 (R109B X R113) (WF9 X 38-11) 6BC III. 3055 (R109B X R168) (WF9 X 38-11) 6BC III. 3056 (R113 X R168) (WF9 X 38-11) 6BC III. 3057 (R71 X R109B) (R113 X R168) 4C, 6BC, 13BC III. 3058 (R71 X R113) (R109B X R168) 6BC, 13BC III. 3059 (R71 X R168) (R109B X R113) ,6BC, 13BC III. 3060 (R129 X R159) (R166 X R168) 6BC III. 3061 (R129X R159) (R168 X R169) 6BC III. 3062 (R159 X R161) (R168 X R169) 6BC III. 3064 (R159 X R163) (R166 X R168) 6BC III. 3065 (R159X R163) (R168 X R169) 6BC III. 3069 (R71 X R101) (R105 X R129) 6BC III. 3070 (R71 X R105) (R163 X R168) 6BC III. 3071 (R71 X R129) (R101 X R105) 6BC III. 3073 (R71 X R163) (R105 X R168) 6BC III. 3074 (R71 X R168) (R105 X R163) 6BC III. 3075 (Hy2 X WF9) (R95 X R101) 6BC III. 3076 (Hy2 X WF9) (R96 X R101) 6BC III. 3077 (Hy2 X WF9) (R96 X B36) 6BC III. 3080 (Hy2 X WF9) (R101 X OH451) 6BC III. 3082 (Hy2 X WF9) (R109B X B38) 6BC III. 3083 (Hy2 X WF9) (R109B X K720) 6BC III. 3084 (Hy2 X WF9) (R127 X B38) 6BC III. 3086 (Hy2 X WF9) (R127 X K720) 6BC 111.3087 (Hy2 X WF9) (R127 X K721) 6BC III. 3088 (Hy2 X WF9) (R127 X N25) 6BC III. 3091... (Hy2 X WF9) {B38 X L317) 6BC III. 3092 (Hy2 X WF9) (B38 X K720) 6BC III. 3093 (Hy2 X WF9) (B38 X N25) 6BC III. 3094 (Hy2 X WF9) (B38 X N35) 6BC (Table is continued on next page) 7959] EXPERIMENTAL CORN HYBRIDS 43 Table 16. Continued Hybrid Pedigree Table No. III. 3095 (Hy2 X WF9) (L317 X K720) .6BC III. 3096 (R74 X R101) (R129 X WF9) . .6BC 111.3097 (R95 X R101) (WF9 X 38-11) III. 3099 (CB4804B) (R101 X N5) (WF9 X 38-11) III. 3100 (R101 X N12) (WF9 X 38-11) III. 3101 (R101 X N23) (WF9 X 38-11) III. 3104 (R109B X N25) (WF9 X 38-11) III. 3105 (R129 X R154) (WF9 X 38-11) III. 3106 (R129 X N25) (WF9 X 38-11) III. 3107 (R154 X B38) (WF9 X 38-11) III. 3108 (R154 X K721) (WF9 X 38-11) III. 3109 (R154 X K722) (WF9 X 38-11) III. 3110 (R154 X N25) (WF9 X 38-11) . .6BC 111.3111 (R159X R163) (R168 X WF9) 6BC III. 3112 (WF9 X 38-11) (B38 X N25) 6BC III. 3113 (WF9X 38-11) (K722 X N25) 6BC III. 3114 (Hy2 X WF9) (R101 X CI.38B) 6BC III. 3115 (R127XN35) (WF9 X 38-11) 6BC III. 3116 (R127 X K721) (WF9 X 38-11) 6BC III. 3117 (R127X R154) (WF9 X 38-11) 6BC III. 3118 (Hy2 X WF9) (38-11 X B38) 6BC III. 3119 , (Hy2 X WF9) (R154 X B38) 6BC III. 3120 (Hy2 X WF9) (R127 X 38-11) 6BC III. 3121 (Hy2 X WF9) (R127 X R154) 6BC III. 3124 (Hy2 X WF9) (R71 X R168) 4BC, 6BC III. 3125 (R71 X R168) (WF9 X 38-11) 6BC III. 3126 (R101 XMo3) (38-11 X K201) 13BC III. 3127 (38-11 XK201) (Mo3 X Mo8) 13BC III. 3128 (38-11 X K201) (Mo3 X Mo9) 13BC III. 3129 (R101 X Mo8) (38-11 X K201) 13BC III. 3131 (R129 X Mo3) (38-11 X K201) 13BC III. 3133 (R127XMo3) (38-11 X K201) 13BC III. 3134 (CB5916) (R74 X Mo3) (38-11 X K201) 13C III. 3135 (R71A X Mo3) (38-11 X K201) 13BC III. 3136 (R74X R101) (38-11 X K201) 13BC III. 3137 (38-11 X K201) (Mo4 X Mo9) 13BC III. 3138 (R129XMo9) (38-11 X K201) 13BC III. 3139 (R71A X R101) (38-11 X K201) 13BC III. 3140 (38-11 X K201) (Kyl26 X CI.21E) 13BC III. 3141 (38-11 X K201) (K763 X Kyl26) 13BC III. 3143 (38-11 X K201) (Kyl26 X Oh7B) 6C, 13BC III. 3145 (R129 X Mo9150) (38-11 X K201) 13BC III. 3146 (R118 XMo9150) (38-11 X K201) 13BC III. 3147 (R118 X R129) (38-11 X K201) 13BC III. 3148 (R74 XMo9150) (38-11 X K201) 13BC III. 3149 (R74 X R129) (38-11 X K201) 13BC III. 3150 (R74 X R118) (38-11 X K201) 13BC III. 3151 (WF9X 38-11) (B14 X Oh41) 6BC III. 3152 (M14 X WF9) (B14 X Oh43) 2BC III. 3152A (M14 X B14) (WF9 X Oh43) 2C III. 3159 (M14 X 187-2) (WF9 X Oh43) 2C III. 3160 (WF9 X Oh7) (B14 X Oh43) 4BC (Table is continued on next page) 44 BULLETIN No. 636 [January, Table 16. Continued Hybrid Pedigree Table No. 111.3162.. (M14XN24) (WF9 X Oh43) 2C 111.3163 (M14 XN24) (B14 X Oh43) 2C III. 3164 (M14 X Oh28) (A545 X Oh43) 2C III. 3167A (WF9X A545) (B37 X Oh43) 2C III. 3167B (WF9 X B37) (A545 X Oh43) 2C III. 3168 (WF9 X Oh43) (B37 X N24) 2C III. 3168A (WF9X B37) (N24 X Oh43) 2C III. 3168B (WF9 X N24) (B37 X Oh43) 2C III. 3169A (WF9 X Oh28) (B37 X Oh43) 2C III. 3169B (WF9 X Oh43) (B37 X Oh28) 2C III. 3169C (WF9 X B37) (Oh28 X Oh43) 2C Ml. 3170 (WF9 X Oh43) (N24 X Oh28) 2C III. 3171 (B14 X Oh43) (B37 X N24) 2C III. 3172 (B14XOH28) (A545 X Oh43) 2C III. 3173 (B14 X Oh43) (A545 X N24) 2C III. 3174 (B37 X Oh28) (A297 X Oh43) 2C III. 3175 (B37 X Oh43) (A545 X N24) 2C III. 3176A (B37X A545) (Oh28 X Oh43) 2C III. 3176B (B37X Oh43) {A545 X Oh28) 2C III. 3177 (B37 X Oh43) (N24 X Oh28) 2C III. 3178 (A297 X Oh43) (A545 X Oh28) 2C III. 3179 (R101 X R105) (R151 X CI.42A) 4C, 6C III. 3180 (R101 X R153) (R130 X CI.42A) 4C, 6C III. 3181 (R101 X R153) (R151 X CI.42A) 4C, 6C III. 3182 (R105 X R151) (R154 X WF9) 4C, 6C 111.3183 (R105XR153) (R154 X WF9) 4C, 6C III. 3184 (R105 X CI.42A) (R154 X WF9) 4C, 6C III. 3185 (R130 X R151) (R153 X R154) 4C, 6C III. 3186 (R151 X CI.42A) (R154 X WF9) 4C, 6C III. 3187 (R151 X R154) (WF9 X CI.317B 4C, 6C III. 3188 (R154 X CI.42A) (WF9 X CI.317B) 4C, 6C III. 3189 (C103 X 38-11) (Kyl26 X Oh7B) 6C, 13C III. 3190 (C103 X K201) (Kyl26 X Oh7B) 6C, 13C III. 3192 (C103 X Oh7B) (Kyl26 X N82481) 6C, 13C III. 3192A (C103 XKyl26) {N82481 X Oh7B) 6C, 13C III. 3192B (C103 XN82481) (Kyl26 X Oh7B) 6C, 13C III. 3193 (38-11 X K712) (K201 X Oh7B) 13C III. 3195 (38-11 X N82481) (Kyl26 X Oh7B) 13C III. 3196A (K201 X K712) (Oh7B X Oh41) 13C III. 3196B (K201 X Oh41) (K712 X Oh7B) 13C III. 3197A (K201 X Oh7B) (K712 X CI.21E) 13C III. 3197B (K201 X CI.21E) (K712 X Oh7B) 13C III. 3198A (K201 X Kyl26) (N82481 X Oh7B) 13C III. 3198B (K201 X N82481) (Kyl26 X Oh7B) 13C III. 3199 (K201 XKyl26) {N82481 X Oh41) 13C III. 3200A (K712 X Kyl26) (N82481 X Oh7B) 13C III. 3200B (K712 X Oh7B) (Ky126 X N82481) 13C III. 3201 (K712 X Kyl26) (Oh7B X Oh41) 13C III. 3202A (K712 X N82481) (Oh7B X CI.21E) 13C III. 3202B (K712 X Oh7B) (N82481 X CI.21E) 13C III. 3203 (K712 X CI.21E) (Oh7B X Oh41) 13C III. 3204A (C103 X K712) (K201 X Ky126) 13C Ml. 3204B (C103 XKyl26) (K201 X K712) 13C III. 3205 (C103 X Oh7B) (K201 X K712) 13C III. 3205A (C103 X K201) (K712 X Oh7B) 13C (Table is continued on next page) 1959] EXPERIMENTAL CORN HYBRIDS 45 Table 16. Continued Hybrid Pedigree Table No. III. 3205B {C103 X K712) (K201 X Oh7B) 13C III. 3206 (C103 X K712) (K201 X CI.21E) 13C III. 3207 (C103 X Oh7B) (K201 X N82481) 13C III. 3208 (C103 X Oh7B) (K201 X CI.21E) 13C III. 3209 (C103 X Oh7B) (K712 X Kyl26) 13C III. 3209A (C103 X K712) (Kyl26 X Oh7B) 13C III. 3209B (C103 X Ky126) (K712 X Oh7B) 13C III. 3210 (C103 X K712) (Kyl26 X CI.21E) 13C III. 3211 (C103 X K712) (OH7B X CI.21E) 13C III. 3212 (C103 X Oh41) (K712 X CI.21E) 13C III. 3213 (C103 XN82481) (Oh7B X CI.21E) 13C III. 3214 (K201 X Kyl26) (K712 X Oh7B) 13C 111.3215 (K712 X Oh41) (Kyl26 X CI.21E) 13C III. 3286 (C103 X WF9TMS) (HyR X 187-2R) 6C III. 3287 (C103 X Oh43) (WF9 X OH51A) 2C III. 3288 (M14 X Oh28) (WF9 X Oh43) 2C III. 3289 (C103 X Oh28) (WF9 X Oh43) 2C III. 3290 (C103 X Os420) (WF9 X Oh43) 2C III. 3291 (P8 X WF9) (B14 X Oh43) 4C 111.3292 (Hy2 X WF9) (R61 X B14) 4C III. 3293 (Hy2 X WF9) (B14 X 187-2) 4C III. 3294 (C103 X Hy2) (P8 X WF9) 4C III. 3295 (C103 X B14) (P8 X WF9) 6C III. 3296 (C103 X B14) (R61 X WF9) 6C III. 3297 (Hy2 X WF9) (B14 X Oh43) 6C III. 3298 (C103 X B14) (Oh7 X CI.21E) 6C III. 3299 (C103 X B14) (WF9 X CI.42A) 6C III. 2246W (R144 X R145) (R148 X R149) 6BC, 7 III. 2247W (R144 X R145) (R146 X R148) 2ABC III. 2249W (R147X R148) (H21 X 33-16) 4C, 6C III. 6016 (R78 X K4) (R84 X 38-11) 3D, 6C, 1OB III. 6021 (R75 X R76) (R84 X K4) 2C, 3D, 4C, 6C, 8ABC, 1OB, 12B, 14C, 15ABCD III. 6052 (R78 X 38-11) (R84 X K4) 2C, 3D, 4C, 6C, 8ABC, 1OB, 14C, 15ABCD III. 6062 (R76 X K4) (R78 X R84) 3D, SBC, 1OB III. 6075 (R75 X R83) (R78 X R87) 10B III. 6084 (R78 X R117) (R84 X R87) 10B III. 6106 (R76 X R81) (R78 X R82) 8C III. 6107 (R76 X R83) (R78 X R80) 8C III. 6108 (R76 X R87) (R120 X R158) 8C III. 6109 (R78 X R85) (R92 X R117) 8C III. 6110 (R78 X R88) (R120 X R121) 8C III. 6111 (R79 X R91) (R94 X R118) 8C III. 6112 (R80 X R85) (R83A X R90) 8C III. 6113 (R80 X R88) (R83 X R83A) 8C III. 6114 (R76 X R84) (R78 X R87) 8C III. 6115 (R83A X R91) (R92 X R118) 8C III. 6116 (R94 X R117) {R118 X R119) 8C Ind. 6225 (III. 1959) (M14 X W64A) (B14 X A297) 2BC Ind. 6615 {H49 X H55) (H53 X B14) 13BC Ind. 6623 (C103 X H53) (WF9 X H52) 6BC (Table is concluded on next page) 46 BULLETIN No. 636 Table 16. Concluded Hybrid Pedigree Table No. Ind. 6833 (WF9X H52) (H54 X H60) 6BC Ind. 6874 (H49 X H52) {H59 X H60) 13BC Iowa 4297 (M14 X 187-2) (WF9 X 1.205) 4ABC Iowa 4880 (III. 3019A) (WF9 X Oh43) (B14 X B38) 4BC Iowa 4947 (M14 X WF9) (A257 X OH51A) 2C Iowa 4989 (WF9 X B14) (B37 X B42) 4C Iowa 4991 (WF9 X B14) (B42 X Oh43) 4C Iowa 5023 (WF9 X B14) (B38 X B39) 6C Iowa 5053 (M14 X WF9) (A257 X W182D) 2C Iowa 5113 (WF9X B14) (B39 X B45) ...6C Iowa 5115. . (WF9 X B14) (B45 X CI.31A) 6C Kan. 2606 (K41 X K723) (K728 X K741) 13C Kan. 4003 (K711 X K713) (K712 X Oh7B) 13C Ky. 105 (38-11 X Oh7B) (T8 X CI.21E) 13C Ky. 2105 (H21 X 33-16) (Ky209 X Ky211) 13C Ky. 5708 (C103 X CI.21E) (CI.29C X CI.38B) ISC Ky. 5712 (33-16 XCI.64) (K55 X Ky201) 13C Mich. 53-151 (WF9 X MS209) (MS106 X MS107) 2ABC Minn. 200 (CB4617) (M14 X W64A) (B14 X A239) 2C Minn. 201 (M14 X B14) (WF9 X Oh51 A) 2C Minn. CB4603 (III. 3002) (B14 X A297) (A295 X W64A) 2ABC Minn. CB4621 (B14 X A239) (A295 X W64A) 2ABC Mo. 958 (B41 XOH7A) (Mo3 X CI.21E) 13BC Mo. 971 (WF9 X Oh7A) (Mo9248 X T202) 6C Mo. 4047BW (H28 X K41) (K6 X K55). . . 13C Nebr. 1781C (M14 X WF9) (N6 X N15) 4C Nebr. 2248 (Hy2 X WF9) (B40 X N6) 6C OhioMIS (AX W23) (Oh26 X Oh51) 2BC Ohio K24 (WF9 X Oh51A) (Oh33 X Oh40B) 2ABC ISP 2 (C103 XOh45) (M14 X WF9) 2ABC U.S. 13 (Hy X L317) (WF9 X 38-11) 3D, 6ABC, 8ABC, 9C, 1OB, 13ABC, 14C, 15ACD U.S. 523W (K55 X K64) (Ky27 X Ky49) 13ABC U.S. 619W (K55 X CI.64) (Ky27 X Ky49) 13BC U.S. 632 (CI.3A X CI.27) (CI.42A X CI.21E) 13C A 101 (Hy2 XOh7) (88-4A X SS101) 6BC A 102 (Hy2 X Oh7) (128-4A X SS101) 6BC N7000 (B2895SX B49S) (K4-Ky36-ll X B489S) 13C N7001 (B2895SX B278S) (B1138T X B670T) 13C N7002 13C N7003 (B2895SX B2778S) (B489S X B670T) 13C 5M 3-59 67331 UNIVERSITY OF ILLINOIS-URBANA