XI B R.AR.Y OF THE UN IVERSITY OF ILLINOIS I-PGb l . 2, GRICULTUBI NOTICE: Return or renew all Library Materials! The Minimum Fee for each Lost Book is $50.00. The person charging this material is responsible for its return to the library from which it was withdrawn on or before the Latest Date stamped below. Theft, mutilation, and underlining of books are reasons for discipli- nary action and may result in dismissal from the University. To renew call Telephone Center, 333-8400 UNIVERSITY OF ILLINOIS LIBRARY AT URBANA-CHAMPAIGN APR 11996' L161 O-1096 1947 Illinois HYBRID CORN TESTS Bulletin 527 UNIVERSITY OF ILLINOIS AGRICULTURAL EXPERIMENT STATION in cooperation with ILLINOIS STATE NATURAL HISTORY SURVEY . . . February, 1948 526 BULLETIN No. 527 [February, Table 1. GENERAL INFORMATION: Illinois Cooperative Hybrid Corn Tests, 1947 Field County and N b u e m ' Date Date harvested Average acre-yield Average mois- ture in grain Average erect plants Total Sound Woodstock Galesburg . . . McHenry (N)... Knox ( WNC) . . . Iroquois (ENC).. . Moultrie (SQ... Madison (S) ... 81 81 81 81 81 60 15 May 31 May 24 June 5 May 24 June 11 June 16 May 28 Nov. 4 Nov. 10, 11 Nov. 12 Oct. 31 Dec. 11, 12 Nov. 24, 25 Nov. 25 . bu. 42 .4 73.0 71.1 63.8 48.5 41.7 34.0 bu. 41.5 71.6 70.2 62.4 47.4 40.9 33.5 perct. 28.4 22.3 24.6 20.6 23.7 26.5 21.6 perct. 81.6 63.1 82.8 97.5 55.3 80.4 78.7 Sheldon Sullivan Alhambra Robbs (Dixon Sp.) Bottomland . . Pope (Ex.S) .... Pope (Ex.S) .... Upland COOPERATORS: EARL HUGHES, McHenry county; EARL and WEBSTER GEHRING, Knox county; JOHN B. RICE, Iroquois county; R. B. VANDEVEER, Farm Manager, Illinois Masonic Home Farm. Moullrie county. The Alhambra field in Madison county is managed by the Illinois Station. The Pope county fields at Robbs are parts of the Dixon Springs Experiment Station of which R. J. WEBB is superintendent and J. M. LEWIS is assistant superintendent. Most of the hybrids selected for testing are extensively grown in the state. Some experimental hybrids were included because they had shown promise for commercial production in preliminary tests. A few hybrids were put in the test mainly to meet the field-perform- ance requirement for certification. Open-pedigree hybrids from commercial seed producers were entered in the 1947 test. The name of the producer of each lot of open-pedigree hybrid seed is included in the tables. Soil characteristics of fields. The test fields were medium to high in productivity, and each represents a soil type common to the region where it is located. Each field was selected carefully for uniformity in soil type, productivity, and drainage. The Alhambra field contained a number of "slick spots" and was the most variable in productivity. In 1947 the northern Illinois test was moved to McHenry county. The other tests were conducted on the same farms as in 1946. The approximate locations of the test fields are shown on the map on the inside front cover. General information on soil charac- teristics and soil management is given in Table 2. Field-plot design. A 9 x 9 randomized, lattice-square field- plot design with 5 replications was used on the Woodstock, Gales- burg, Sheldon, Sullivan, and Alhambra fields. Controlled, random- ized block designs with 6 replications were used on the Dixon Springs bottomland field and 5 on the upland field. Method of planting. All test fields were planted by hand 1948} ILLINOIS HYBRID CORN TESTS: 1947 527 Table 2. TESTING FIELDS: Soil Characteristics and Management Practices ~ ., Available Available Previous crops and merit phosphorus potassium soil management NORTHERN: Woodstock tons Proctor silt loam, flat phase .... 1 Medium Low to Oats 1944; alfalfa 1945- 1946; 3 tons medium lime and 240 pounds 3-12-12 1944; 500 pounds rock phos- phate 1942. WEST NORTH-CENTRAL: Galesburg Muscatine silt loam 3 Medium Very high Corn 1944; oats 1945; red clover hog pasture 1946; lime and rock phosphate have been applied. EAST NORTH-CENTRAL: Sheldon Drummer clay loam High Very high Corn 1942; oats 1943; alfalfa 1914- 1946; 2 tons lime 1943; 1 A ton rock phosphate 1938; 125 pounds potash 1946. SOUTH-CENTRAL: Sullivan Flanagan silt loam 2 Medium High Alfalfa 1941-1943; corn 1944; al- falfa-timothy pasture 1945-1946; 2 tons lime 1946. SOUTHERN: Alhambra Putnam silt loam High High Wheat 1941 ; corn 1942; oats 1943; soybeans 1944; wheat 1945; red clover 1946; 500 pounds potash broadcast 1947 before planting. EXTREME SOUTHERN: Robbs (Dixon Springs) Upland field: Ava silt loam. . . . trace Very low High Timothy-sweet clover sod past 15 years. Bottomland field: Bonnie silt loam 1 Very low Very high Corn 1944; soybeans 1945; corn 1946; no soil treatment. R. S. SMITH, Chief in Soil Physics and Soil Survey, and HERMAN WASCHER, Associate Chief in Soil Survey, have approved the soil-type designations, uniformity, and physical characteristics of the above fields. on land prepared in the regular way for corn. Each plot consisted of 2 rows 10 hills long, except at Alhambra where the plots were only 9 hills long. Three kernels were dropped in each hill except on the fields at Dixon Springs, where only 2 kernels were planted. Data from all plots were included in the results. The only cor- rection for imperfect stand was the following adjustment for missing hills: T- i ^ ^ i / /. , missing hills A Ear weight in held X I 1 +-r-^- -X .6 J = \ hills present / adjusted ear weight. 528 BULLETIN No. 527 [February, WEATHER CONDITIONS In general, the 1947 planting season was another extremely late and discouraging one thruout Illinois. The cool spring was so wet that lowlands and low spots in fields were repeatedly flooded. Stands were uneven and, since wet fields prevented timely cultivation, were more weedy than usual. Wet weather made the planting of test fields later than usual. All fields except the Sheldon field were planted in good seedbeds which had ample moisture and were planted under conditions favor- able for growth. The test area on the Sheldon field was planted five days after the rest of the field. A heavy rain which fell at sometime during the five-day period made the originally excellent seedbed very compact. Good stands were obtained on the Woodstock, Galesburg, Sul- livan, and Dixon Springs bottomland fields. Stands were variable on the Sheldon, Alhambra, and Dixon Springs upland fields. During June corn made good growth despite the cool, wet weather. Corn suffered during late July and August from the ex- cessive heat and drouth. Late-planted corn suffered, particularly when its early growth was extremely rapid. Heat caused stunting and firing; this condition w r as more general in the southern half of the state and the damage most serious there. Serious fall damage from frost had threatened the late-planted Illinois corn crop since planting time. The fall season, however, was unusually warm, killing frosts generally holding off until early No- vember. The exception was the extreme northern part of the state, where a killing frost occurred during the last week of September. The Woodstock field was in this area but the damage was slight. Clear, warm weather during September and October hastened dry- ing thruout the state. Practically all the corn matured without seri- ous damage and the expected soft corn drying, handling, and storage problems did not materialize. INSECT PESTS European corn borer. In northern Illinois in 1947, corn losses from European corn borer, Pyransta nubilalis (Hbn. ), were material. Hybrid test fields at Woodstock and Sheldon were in this 1948} ILLINOIS HYBRID CORN TESTS: 1947 529 area. Records of stalk breakage in these fields at harvest time are shown in Table 5 (page 536) and Table 10 (page 543). The percentage of plants broken below the ear because of borer attack and the average breakage for the fields show that the attack varied in intensity at the two fields. At Woodstock, plants broken below the ear ranged from less than one percent to over 23 percent; the average was 8.4 percent. The difference necessary for significance in hybrids is 8 percent (Table 5). Many hybrids appear to be very similar in their response to borer attack. A three-year average for 19 hybrids shows that 2.8 to 9.8 percent of the plants were broken below the ear (Table 5). The difference between hybrids in this three-year average is not significant. The percentage of plants broken below the ear at Sheldon range from less than 1 percent to 10.9 percent. In this field, having little breakage, differences between hybrids in the test is not sig- nificant. A three-year average of 26 entries shows that the percent- age of plants broken below the ear ranged from 14.6 to 25.5. The average for all entries was 19.7 percent. None is significantly better than any other. Southern corn rootworm. The hybrid test field at Galesburg was attacked by corn rootworms, especially southern corn root- worm, Diabrotica duodccimpimctata (F. ). The attack damaged root systems and caused lodging, which was greatly increased by a windstorm. Forty-five of the hybrids in the field showed better than average resistance to lodging. Total lodging, however, ranged widely from 2.2 to 74.3 percent, the average being 33.6 percent (Table 8, page 540). Because the windstorm caused a big differ- ence between portions of the field, a difference of 33.6 percent is necessary for significance (Table 8). Figures for lodging are avail- able for the years 1943 and 1947; average figures for 22 hybrids grown on this field during those years are given in Table 7 (page 539). Differences between hybrids included in these averages are not significant. 530 BULLETIN No. 527 \February, DISEASE DAMAGE 1 Stalk rot diseases. From surveys in 37 scattered counties, direct damage from stalk rot was estimated at 5 percent. In some fields the stalks were badly broken, the breakage resulting in in- direct losses since the pickers did not get all the ears. The amount of damage varied a good deal from place to place. Of the stalks examined, 33 percent were rotted by Diplodia zeae and 25 percent by Gibberella zcac. In northern Illinois, Gibberella was more preva- lent than Diplodia. In southern Illinois, 1.4 percent of the stalks were damaged by charcoal rot. Fusariuiii uionilifonne, Nigrospora oryzac, and other organisms also caused a moderate amount of stalk rot. Tho Diplodia has usually been the most serious cause of corn stalk rot in Illinois, Gibberella was the most important cause in 1946 and of considerable importance in 1947. Some inbreds that are resistant to Diplodia are not resistant to Gibberella and vice versa. Root rot. Wet soil in the spring and compacted, poorly aerated soil during the summer were very favorable to root rot organisms. Roots were brown and plants were easily pulled up in many fields. However, a specific estimate on the amount of damage can not be made. Smut. Loss from smut was estimated at only 0.5 percent. Damage from this disease has been moderate since 1940, in which year the loss was estimated at 4 percent. Stewart's disease. This disease was observed especially in canning corn in Iroquois and Vermilion counties and in nonresistant garden varieties of sweet corn in central and south-central Illinois. In late summer, leaf symptoms of Stewart's disease were very com- mon on field corn except in the northern third of the state. This infection in field corn apparently caused little direct damage, but it may have increased stalk rot susceptibility. Ear rots. Corn kernel damage from rot in the various per- formance fields is given in Table 3. The dry weather of late sum- mer and fall was not conducive to ear rot infection and the per- centages are low, altho not so low as in 1946. The least ear rot damage occurred at Sheldon, the most at Alhambra where the most 1 Estimates of losses are based in part on survey data obtained by G. H. BOEWE of the Illinois State Natural History Survey. 1948] ILLINOIS HYBRID CORN TESTS: 1947 531 Table 3. ROT DAMAGE CAUSED BY FUNGI: Average of All Entries on Six Test Fields, 1947 (Figures based on laboratory tests) Corn kernels damaged by rot Rank Fungi causing damage Wood- stock Gales- burg Sheldon Sullivan Alham- bra - 1 Dixon Springs Bottomland Upland 1 2 3 4 5 6 7 8 Fusarium moniliforme. . Penicillium spp perct. . .29 . .51 Perct. 1.17 .24 .07 .03 .15 .08 .09 .19 2.02 perct. .32 .09 .54 .09 .03 .04 .10 .06 1.27 perct. .40 .13 .90 .13 .04 .13 .12 .01 .15 2.01 perct. 1.24 .64 .02 .08 .20 .08 .08 .02 .12 2.48 perct. 1.55 .06 .01 .02 .10 .01 .11 1.86 perct. 1.47 .05 .01 .01 .04 .03 .02 1.63 03 Aspergillus spp Nigrospora oryzae Rhizopus and Mucor. . . Alternaria spp . .92 . .09 . .07 . .03 Gibberella zeae Others 07 Total 2 01 Based on total damage on all fields. lodging also occurred. In the last two years Fusarium moniliforme was the chief cause of kernel damage by rot. Penicillium jumped up to second place in 1947. At Dixon Springs Diplodia was not even found. Ear rot losses were high in 1941 and since then we have had more or less dry fall weather and low rot damage. MEASURING PERFORMANCE The entries in the 1947 test are listed in the tables in the order of their total yields. Two or more entries having the same total yield are given the same rating, but the one having the higher yield of sound corn is placed first. Those having the same total yield and sound yield are placed in order by percentage of erect plants. Erect plants. The percentage of erect plants in each plot of each entry on each field was estimated at the time of harvest. The ratings for erect plants show how the percentage of erect plants for each hybrid compared with the percentage of erect plants on the field as a whole. (Each rating is obtained by dividing the percentage of erect plants for that hybrid by the percentage of erect plants on the field as a whole and multiplying by 100.) Lodging may have been due to rootworm damage, weak or rotted roots, corn borer damage, stalk rots, or weak stalks. Stalks broken above the ear were not considered lodged. Yield of grain. To determine shelling percentage, all the 532 BULLETIN No. 527 [February, ears from one replicate of each entry were shelled. At Dixon Springs, however, because it was not practicable to shell all the ears in a replication, the shelling percentage of all entries w r as assumed to be 80 percent. A sample of shelled corn was taken from the Dixon Springs plots by hand-shelling 6 ears of each entry in one replication. From the shelled corn one sample was taken to determine the percentage of moisture at harvest 1 and to determine the percentage of damaged kernels. The percentage of damaged corn was deter- mined according to the federal grain standards. The total acre-yield was calculated as shelled corn containing 15.5 percent moisture, the upper limit allowable in No. 2 corn. The total yield thus obtained was adjusted according to the procedure outlined by Cochran for randomized lattice-square designs. 2 The total yield of sound corn was computed by deducting the amount of damaged corn from the total yield. Each hybrid's rating for sound yield, expressed in percentage, is simply the ratio between the bushels of sound corn produced by the hybrid and the average number of bushels of sound corn pro- duced by all the entries on the field. Height of ear. Notes on comparative height of ear were taken at harvest time. Each plot of each entry was placed in one of the five following categories: low, mid-low (midway between low and medium), medium, mid-high (midway between medium and high), and high. Beginning with low and continuing progressively to high, these terms were assigned numerical values from 1 to 5 to permit the averaging of the plots. Significance of yield differences. Too much confidence must not be placed in the particular ranking of a hybrid in the following tables, for chance has played a part in determining its position. Unaccountable variability in the soil and conditions on the field will cause differences in yield that are not inherent in the hybrids themselves. The part played by chance in the 1947 tests has been calculated for total yield by the mathematical procedure known as "analysis 1 All moisture determinations were made with a Steinlite moisture tester. 2 Cochran, W. G. "Some Additional Lattice-Square Designs." lovva Agr. Exp. Sta. Res. Bui. 318. May, 1943. 1948] ILLINOIS HYBRID CORN TESTS: 1947 533 of variance." At the bottom of each table is stated the approximate difference which there must be between any two entries in order for them to show a true inherent difference. Unless two hybrids differ by at least this amount, there is no assurance that one hybrid is inherently higher yielding than the other. RESULTS OF TESTS Detailed results of the tests on six regular test fields and the two special soil-adaptation fields are given in Tables 4 to 14 on the fol- lowing pages. See also Table 3 on page 531 on ear-rot damage. Readers are urged to keep in mind these two things when comparing the performance of hybrids on any one field: 1. Small differences in yield do not necessarily indi- cate the superiority of one hybrid over another. See each table for the amount one hybrid must exceed another before it can be considered the better. 2. The Summary section of each table is the most important part. At least three years' results are neces- sary to give a reasonably reliable picture of a hybrid's ability to perform under varying seasonal conditions. 534 BULLETIN No. 527 [February, Table 4. NORTHERN ILLINOIS: Kings and Woodstock Rank Entry ihelled iample grain at a harvest plants Erect plants Sound yield" height of ear Total Sound" s SUMMARY: Kings 1945, 1946; Woodstock 1947 bu. bu. perct. perct. perct. percl. perct. 1 Furr 67A . 68. 9 68. 7 .5 27.7 79 97.4 106 .0 Medium 2 Sieben S-450 . 68. 4 68. 1 .4 26.0 81 99.9 105 .0 Medium 2 Doubet D-l . 68. 4 67. 4 1.8 28.3 86 106.0 104 .0 Medium 4 Nichols 5 A . 68. 1 67. 6 1.0 30.2 87 107.3 104 .2 Medium 5 DeKalb 609 . 67. 9 28.7 80 98.6 Medium 5 Pioneer 340 . 67. 4 29.2 83 102.3 Medium 7 Producers 315 . 66. 9 66. 3 1.1 28.4 81 99.9 102 .0 Medium 7 Frey 425 . 66. 9 31.4 80 98.6 Medium 9 Ferris F-ll . 66. 8 ... 26.9 81 99.9 Medium 10 P.A.G. h 366A . 66. 6 66. * .7 28.9 75 92.5 102 .0 Medium 11 Funk G-29 . 66. 4 . 30.6 89 109.7 Medium 12 Illinois 1091 A . 66. 2 65. 2 1.8 31.2 80 98.6 100 .6 Medium 13 Illinois 751 . 66. 1 65. 6 .9 30.4 79 97.4 101 .3 Medium 14 DeKalb 458 . 65. 9 65. 6 .4 28.2 77 94.9 101 .3 Medium 15 DeKalb 422 . 65. 7 65. 3 .5 28.1 80 98.6 100 .7 Medium 16 Hoosier Crost F-138 . 65. 6 65. 1 .7 28.4 76 93.7 100 .3 Medium 16 DeKalb 615 . 65. 6 64. 2 2.7 28.9 82 101.1 99 .1 Medium 18 National 114-1 . 65. 3 30.1 87 107.3 M-high 19 Ward 115A . 64. 8 . . . 29.2 77 94.9 Medium 20" Illinois 101 . 63. 9 63. 7 .3 27.9 86 106.0 98 .4 Medium 2H Illinois 269 . 63. 3 . 30.1 80 98.6 Medium 22 Producers 320 . 63. 1 62. 9 .3 28.9 81 99.9 97 .0 Medium 22 Lowe 15 . 63. 1 29.3 82 101.1 Medium 24 DeKalb 404A . 62. 7 62. 3 .9 27.0 85 104.8 96 .2 Medium 25 Crow 360 . 62. 6 33.5 69 85.1 M-high 26 Morgan M-105 . 62. 5 62. .9 30.7 84 103.6 95 .7 Medium 27 Moews 14 . 62. 3 29.1 85 104.8 Medium 28 Crow 514(W) . 59. 6 ... 27.3 78 96.2 M-high 65 4 64. 8 9 79 1 81 1 A difference of less than 3.8 bushels between total yields of any two entries in this summary is not significant. 1947 RESULTS: Woodstock i Producers 305 . 52. 3 51. 9 .4 22.8 93 114.1 125 .1 Medium 2 Pioneer 349 . 50. 7 50. 2 .7 24.5 74 90.8 121 .0 Medium 3 Furr 67A . 50. 1 49. 6 .8 26.3 84 103.1 119 .5 Medium 4 Moews 15 . 48. 3 47. 9 .6 25.1 87 106.7 115 .4 Medium 5 Hoosier Crost F-138 . 48. 2 47. 8 .6 26.7 77 94.5 115 .2 Medium 5 Huebsch H-44 . 48. 2 47. 8 .6 24.5 63 77.3 115 .2 Medium 7 DeKalb 410 . 48. 1 47. 5 1.2 23.9 82 100.6 114 .4 M-low 8 Sieben S-450 . 47. 6 47. 4 .4 23.6 84 103.1 114 .2 Medium 9 Furr 66A . 47. 3 46. 2 2.2 25.7 82 100.6 111 ,3 Medium 9 Crow 407 . 47. 3 44. 2 6.5 27.9 80 98.1 106.5 Medium 11 P.A.G. 60.. . . 46. 5 45. 6 2.0 25.0 85 104.3 110 .0 Medium 12 Hunt 60(W) . 46. 2 45. 9 .6 24.8 80 98.1 110 .6 Medium 12 Pioneer 343 . 46. 2 44. 6 3.2 27.0 66 81.0 107 .5 M-low 14 Ward 115B . 46. ... 27.2 74 90.8 Medium 15 Munson MX . 45. 9 45. 3 1.2 27.3 85 104.3 109 .2 M-low 16 Doubet D-l . 45. 6 43. 4 4.5 30.0 93 114.1 104 .6 Medium 17 P.A.G. 54 . 45. 4 44. 4 2.4 25.9 80 98.1 107 .0 Medium 17 P.A.G. 299 . 45. 4 ... 21.2 90 110.4 M-low 19 Ferris F-ll . 45. 2 ... 26.3 82 100.6 Medium 20 DeKalb 615 . 45. 1 42. 5 5.9 29.1 84 103.1 102 .4 Medium 21 DeKalb 458... . 45. 44. 7 .7 26.3 77 94.5 107 ,7 Medium 22 Bear OK-20 . 44.9 44. 3 1.3 25.4 73 89.5 106 ,7 Medium 23 Hoosier Crost FD-3 . 44. 8 44. ?. 1.4 27.6 73 89.5 106 ,3 Medium 23 Funk G-29 . 44. 8 28.5 90 110.4 Medium 25 Illinois 101 (Producers). . . 44. 7 44. 4 .4 25.7 85 104.3 107. Medium 26 DeKalb 422 . 44. 5 44. 4 .4 23.9 82 100.6 107. Medium 26 DeKalb 609 . 44. 5 . . . 28.3 88 108.0 Medium (Table is concluded on next page) 1948} ILLINOIS HYBRID CORN TESTS: 1947 535 Table 4. NORTHERN ILLINOIS concluded Damaged Mois- Ratini ? for Compara- . Total Sound* sample 8 harvest plants yield" of ear 1947 RESULTS : Woodstock concluded bu. bu. perct. perct. perct. perct. perct. 28 Illinois 1091 A 44.1 42.3 4.0 30.5 75 92. 101 9 Medium 29 Crow 360 43 . 7 34.9 50 61, 3 Medium 30 National 114-1 43 . 3 27.5 86 105, 5 Medium 31 Ward USA . 43.3 29.8 76 93 .2 Medium 32 Lowe 52 43.2 42.8 .9 25.9 83 101 8 103 .1 Medium 33 Hoosier Crost F-140.. 43 . 1 42.5 1.2 27.2 86 105 5 102 ,4 M-low 34 Pioneer 340 43.0 28.5 78 95 .7 Medium 35 Pioneer 344 42 . 7 42.2 1.2 28.8 85 104 3 101 .7 Medium 3S Pioneer 4758 42 . 7 41.4 2.8 30.0 90 110 ,4 99 .8 Medium 35 Lowe 32 42 . 7 27.2 85 104 3 Medium 38 Keystone 44 42 . 5 30.1 92 112. 9 M-low 39 Pride D-66 42 . 4 30.5 88 108 Medium 40 Hulling 240 42 . 2 41.7 1.4 29.5 84 103. 1 100. 5 Medium 41 Producers 320 . 42.1 41.9 .4 29.3 83 101. 8 101, Medium 41 , Producers 315 42 . 1 41.2 2.4 28.4 79 96 9 99 3 Medium 43 Producers 311 42.0 41.0 2.6 25.3 84 103 .1 98 .8 Medium 44 United U-36 41.9 40.3 4.1 26.5 90 110 ,4 97 .1 Medium 44 Lowe 15 41.9 28.8 92 112 ,9 Medium 44 Frey 425 41.9 31.7 78 95 7 Medium 4V Producers 317 41.8 27.9 81 99 4 Medium 4X United U-41 41.6 40.9 1.6 31.0 92 112 9 98 .5 M-high 49 Hulling 260 41.4 27.6 75 92 Medium 49 Funk G-16A 41.4 41.2 .3 28.5 94 115, 3 99 3 Medium 51 Illinois 751 . 41.1 40.2 1.9 30.1 74 90 8 97 ,0 Medium 52 P.A.G. 270 41.1 40.6 1.0 30.1 84 103 1 96 .4 Medium 53 P.A.G. 52 41.1 40.3 2.0 23.5 88 108 97 .1 Medium 54 Producers 315 41.0 40.2 2.0 33.1 79 96 9 Medium 54 Nichols 5A 41.0 40.2 2.0 30.0 92 112 ,9 97 .0 Medium 54 DeKalb404A 41.0 40.0 2.4 26.3 90 110 ,4 95 .9 Medium 54 Illinois 269 (Producers )... 41.0 29.8 77 94.5 Medium 58 Stiegelmeier S-9H. . . . 40.7 33.7 95 116 6 Medium 59 Furr 44A 40.4 38.9 3.9 30.1 69 84, 7 93 ,7 M-low 60 Hoosier Crost FD-4 . . 40 . 3 39.4 2.2 30.0 87 106 7 94 9 Medium 61 Farmcraft PC-43 . 39.9 39.6 .4 33.0 51 62 ,6 95 .4 Medium 61 Morgan M-105 39.9 39.2 1.8 28.3 84 103 1 94 .4 Medium 63 Huebsch H-55 39 . 8 38.5 3.5 27.9 86 105 5 92 .8 Medium 64 Moews 85 39 . 6 39.6 .6 27.3 72 88 .3 95 .4 M-low 65 Ward 110 39.4 38.6 2.2 28.7 90 110 .4 93 .0 Medium 66 Hoosier Crost F-145.. 39 . 1 37.3 4.7 27.3 81 99 ,4 89 .9 Medium 66 Moews 14 39 . 1 28.7 89 109 .2 Medium 68 Producers 510 38 . 7 37.3 3.8 32.7 87 106 .7 89 .9 Medium 69 National 115A 38 . 3 36.7 3.8 30.8 86 105 5 88 .4 Medium TO Null N-32 38.0 36.8 3.1 30.7 88 108 88 .7 Medium 71 Furr 33 . 37.7 36.9 1.8 28.4 79 96 .9 88 .9 Medium 71 Pioneer 4040 37.7 35.3 77 94 .5 Medium 73 Hoosier Crost F-150.. 37.6 36.9 1.7 32.5 75 92 88 9 Medium 74 Lowe 4(W) 37.3 37.2 .3 22.8 84 103 .1 89 .6 Medium 75 Ainsworth X-23 36.5 36.2 .9 30.1 82 100 6 87 .2 Medium 76 P.A.G. 366A 36 . 3 35.7 1.6 32.2 70 85 9 86 Medium 77 Sieben S-340 36.0 35.9 78 95 .7 Medium 78 Farmcraft FC-40 35 . 3 33.7 4.6 35.0 87 106 ,7 81 ,2 M-low 79 Lowe 34 35 . 1 34.6 1.5 34.1 77 94 ,5 83 .4 Medium 80 Crow514(W)... 34.4 27.3 76 93 2 Medium 81 Lowe 6(W) 33.3 32.7 1.6 25.7 73 89 5 78 ,8 Medium s 42.4 41 .S 2 78 4 81 6 A difference of less than 5.0 bushels between total yields of any two entries in 1947 is not significant. a In 1947 accurate determination of the amounts of damage, sound yields, and sound yield scores could not be made for the entries which are blank. b Formerly Pfister. c In 1945 and 1946 seed was furnished by various growers; in 1947 yield was that of Illinois 101 (Producers). d In 1945 and 1946 seed was furnished by various growers; in 1947 yield was that of Illinois 269 (Producers). 536 BULLETIN No. 527 \February, Table 5. CORN BORER DAMAGE: Mt. Morris, Kings, and Woodstock Rank Entry Plants broken below ear* Kank Entry Plants broken below ear* SUMMARY: Mt. Morris 1943; Kings 1946; Woodstock 1947 percl. 1 Doubet D-l 2.8 2 Moews 14 3.2 3 Funk G-29 3.4 4 Hoosier Crost F-140 3.9 5 b Producers 510 4.3 6 Nichols 5A 5.0 7 DeKalb 458 5.7 7 Furr 44A 5.7 9 Illinois 751 5.9 10 Lowe 15 6.2 perct. ll b Producers 320 6.8 12 DeKalb 404A 6.9 13" Illinois 101 7.3 14 DeKalb 422 8.0 15 DeKalb 615 8.4 16 Hoosier Crost F- 138 8.9 17 Crow 514 (W) 9.3 18 Pioneer 340 9.6 19 Crow 360 9.8 Average of all entries 6.4 There are no significant differences between entries in this summary. 1947 DAMAGE percl. 1 Doubet D-l 6 2 United U-41 7 2 National USA 7 4 Funk G-29 1.4 5 Pioneer 4758 2.0 6 Lowe 34 2.4 6 FunkG-16A 2.4 8 Huebsch H-55 2.6 8 Keystone 44 2.6 10 Moews 15 2.8 11 P.A.G. 299... 2.9 12 Nichols 5A 3.2 12 Pioneer 4040 3.2 14 Lowe 15 3.5 15 United U-36 3.6 16 Ward USA 3.7 17 Producers 510 4.1 18 Producers 305 4.3 18 Producers 317 4.3 18 Hoosier Crost FD-4 4.3 21 SiebenS-340 4.9 22 Pioneer 349 5.0 22 Stiegelmeier S-9H 5.0 22 Ainsworth X-23 5.0 22 Moews 14 5.0 22 Illinois 1091 A 5.0 27 National 114-1 5.4 28 DeKalb 404A 6.0 29 Morgan M- 105 6.1 30 DeKalb 609 6.3 30 Ferris F-ll... . 6.3 32 Pride D-66 6.7 33 Hulting 240 6.8 34 Hoosier Crost F-140 6.9 34 P.A.G. 270 6.9 34 Frey 425 6.9 34 Munson MX 6.9 38 Lowe 52 7.0 39 P.A.G. 52 7.2 40 Producers 315 7.3 41 Pioneer 344 7.6 percl. 42 Illinois 269 (Blackhawk) 7.9 43 Sieben S-450 8.1 44 DeKalb 410 8.2 44 NullN-32 8.2 46 Lowe 32 8.3 47 Ward 110 8.5 47 Pioneer 343 8.5 49 Furr66A 8.6 50 Huebsch H-44 9.0 50 Producers 311 9.0 52 BearOK-20 9.2 53 Ward 115B 9.4 54 Moews 85 9.7 55 DeKalb 458 10.2 56 P.A.G. 54 10.3 56 Hoosier Crost F- 145 10.3 58 Farmcraft PC-43 10.6 59 Furr 44A 10.9 60 Producers 315 11.1 61 Hoosier Crost F- 138 11.6 62 Furr67A 12.0 63 Crow 407 12.1 64 Producers 320 12.5 65 P.A.G. 366A 13.0 66 Farmcraft FC-40 13.1 67 DeKalb 422 13.2 68 Illinois 751 13.5 68 P.A.G. 60 13.5 68 Pioneer 340 13.5 71 Hunt 60 (W)... . 13.6 72 DeKalb 615... 13.8 73 Crow 514 (W) 14.1 74 Illinois 101 (Blackhawk) 14.6 75 Lowe 4 (W) 16.6 76 Furr 33 16.7 77 Hoosier Crost FD-3 16.9 78 Hulting 260 17.1 79 Hoosier Crost F- 150 18.8 80 Lowe 6 (W) 20 .0 81 Crow 360 23.2 Average of all entries 8.4 A difference of less than 8.0 in 1947 percentages is not significant. 1948} ILLINOIS HYBRID CORN TESTS: 1947 Table 6. WEST NORTH-CENTRAL ILLINOIS: Galesburg Rank Entry Damaged Acre-yield corn in . Mois- ture in Erect grain at plants harvest Rating for Compara- tive height of ear Erect plants Sound yield Total Sound sample SUMMARY: 1945, 1946, and 1947 bt, i. bu. perct. per cl. perct. perct. perct. 1 Pioneer 339 ... 87 .1 86.4 1.0 21 .4 62 104.0 105.8 M-higli 2 Pioneer 304 .. . 86 .7 86.3 .4 25 .1 51 85.6 105.6 M-high 3 Doubet D-72 ... 85 .8 85.3 .6 22 .3 63 105.7 104.4 M-high 4 Kelly K-374 . . . 85 . 1 83.9 1.7 21 4 56 94.0 102.7 M-high 5 Holmes Utility 39 ... 84 .7 84.0 .9 24 .1 56 94.0 102.8 M-high 6 P.A.G.* 5897 . .. 84 .6 84.4 .3 21 ,8 59 99.0 103.3 Medium 6 Crow 633 . . . 84 .6 84.2 .5 22 ,3 61 102.3 103.0 Medium 8 Holmes Utility 29 . . . 84 ,2 83.6 .7 21 6 60 100.7 102.3 M-high 9 DeKalb 847 . .. 83 ,8 82.5 1.6 21 .4 68 114.1 101.0 M-high 10 Morton M-12 . . . 83 6 83.0 .9 22, 9 65 109.1 101.6 M-high 11 Funk G-169 . 83 .5 82.9 .8 22 .3 63 105.7 101.5 M-high 11 Sieben S-440 ... 83 .5 82.9 .8 21 .2 60 100.7 101.5 Medium 1.1 Farmcraft FC-47 ... 82 .9 82.5 .7 21 .6 50 83.9 101.0 Medium 14 DeKalb 800A . . . 82 .8 80.2 3.2 23 .3 58 97.3 98.2 Medium 15 Null N-54 ... 82 .7 81.9 1.2 22 .2 59 99.0 100.2 M-high 16 b U.S. 13 . . . 82 .5 81.6 1.1 23 .3 65 109.1 99.9 M-high 17 Funk G-37 .. . 82 .3 81.7 .7 21 .1 61 102.3 100.0 M-high 18 DeKalb 816 . .. 82 .2 81.5 .9 23 .0 65 109.1 99.8 M-high 19 DeKalb 628A . . . 82 80.8 1.6 22 .8 62 104.0 98.9 M-high 20 Moews 550 . .. 81 ,2 80.6 .7 20 .8 68 114.1 98.6 Medium 20 National 125 81.2 80.3 22 Crow 607 . 81.1 80.4 Ward 120A 81.1 80.3 Doubet D-42 80.0 78.7 Lowe 520 78.7 78.3 Keystone 42 77.5 77.1 Producers 311 77.1 76.5 Morgan M-546 76.9 75.8 Average of all entries. . . 82 .5 81 . 7 1.0 .9 1.9 .6 .4 23.4 23.0 22.9 23.2 21.9 20.8 23.0 22.4 51 63 63 57 59 58 59.6 92.3 98.3 M-high 85.6 98.4 M-high 85.6 98.3 M-high 105.7 96.3 M-high 105.7 95.8 M-high 95.6 94.4 M-high 99.0 93.6 Medium 97.3 92.8 M-high A difference of less than 4.3 bushels between total yields of any two entries in this summary is not significant. 1947 RESULTS 1 Pioneer 313B . 92 .7 90.0 2.9 23 .9 51 80.8 125.7 Medium 2 Schwenk S-24 .. . 87 .3 85.9 1.5 22 .2 62 98.3 120.0 Medium 3 Pioneer 336 ... 86 .0 85.1 1.1 21 .9 65 103.0 118.8 M-high 4 Stiegelmeier S-201 ... 84 .4 80.5 4.5 20 .9 66 104.6 112.4 Medium 5 Ward 120A . .. 83 ,2 81.3 2.0 22 9 43 68.1 113.5 Medium 6 Pioneer 339 ... 82 .8 81.6 1.2 20 9 61 96.7 114.0 Medium 7 Stiegelmeier S-301 ... 81 .8 78.3 4.3 21, 1 87 137.9 109.4 Medium 8 P.A.G. 390 . .. 80 ,9 79.3 2.2 20, 1 65 103.0 110.7 Medium 9 Bear OK-50 . . . 81 .0 80.3 .6 22. 2 67 106.1 112.2 Medium 9 Pioneer 304 ... 81, 80.2 1.0 27. 7 47 74.5 112.0 Medium 11 Producers 730 . 80 .7 78.7 2.5 23 6 43 68.1 109.9 Medium 12 Holmes Utility 39 ... 80 .3 79.0 1.6 26 55 87.2 110.3 Medium id Morgan M-600 . .. 79 .7 77.6 2.8 22 9 81 128.4 108.4 Medium 14 Pioneer 300 ... 79 .5 78.1 1.8 23 .5 72 114.1 109.1 Medium 14 U. S. 13 (Morton) .. . 79 .5 76.8 3.5 23. 4 73 115.7 107.3 Medium 14 DeKalb 800A . . . 79 .5 74.9 5.9 22 ,4 49 77.6 104.6 Medium 17 U. S. 13 (Lepper) ... 79 .0 77.8 1.6 24 ,4 63 99.8 108.7 Medium 17 Kelly K-374 .. . 79 .0 76.6 3.0 21 9 61 96.7 107.0 Medium 19 Producers 709 . . . 78 .9 77.8 1.3 23. 3 52 82.4 108.7 Medium n Lowe 510 ... 78 .5 77.6 1.2 21. 5 64 101.4 108.4 Medium 21 Doubet D-72 . 78 .2 77.3 1.4 22 1 75 118.8 108.0 Medium 12 Crow 633 . . . 77 .7 77.0 1.0 23, 8 56 88.7 107.5 Medium 23 Kellv K-100 .. . 77 .6 76.9 .8 21. 8 54 85.6 107.4 M-high 24 Hulling 380 ... 77 3 75.5 2.4 22. 2 63 99.8 105.4 Medium 25 Ainsworth X-21 ... 76 .8 75.8 1.4 23. 3 85 134.7 105.9 Medium 25 DeKalb 847 ... 76 .8 73.8 3.9 22, 6 82 129.9 103.1 Medium 27 Bear OK-40 ... 76 .0 74.9 1.5 20. 7 60 95.1 104.6 Medium (Table is concluded on next page) 538 BULLETIN No. 527 [February, Table 6. WEST NORTH-CENTRAL ILLINOIS concluded Rank Entry Damaged Mois- Acre-yield corn in ture in shelled grain at Total Sound sample harvest Rating for Erect - plants Erect Sound Compara- tive height plants yield of ear 1947 RESULTS concluded bu. bu. perct. perct. perct. perct. perct. 78 Bear OK-60 75.9 75. 1 1.0 23. 8 52 82.4 104.9 Medium 28 Ainsworth X-23 75.9 75. 1.2 21. 2 67 106.1 104.7 Medium 28 Funk G-169 75.9 74. 4 1.8 22. 1 66 104.6 103.9 Medium 31 Lowe 24 75.7 74, 8 1.2 21 ,3 66 104.6 104.5 Medium 31 Sieben S-440 75.7 74. 4 1.7 20 8 69 109.4 103.9 Medium 33 Illinois 972-1 (Pringle) 75.4 74. 1 1.7 26 .2 36 57.0 103.5 M-high 34 Illinois 21 (Burrus) 75.3 74 1.8 21 .3 66 104.6 103.4 Medium 35 Producers 940 , 75.2 73 ,4 2.2 21 .2 83 131.5 102.5 Medium 36 National 125-1 . 75.0 71 ,8 4.3 21 ,9 57 90.3 100.3 Medium 37 Null N-54 74.5 72. 3 3.0 22 ,2 71 112.5 101.0 Medium 37 DeKalb817A 74.5 71, 7 3.7 22 60 95.1 100.1 Medium 39 Holmes Utility 29 74.3 72, 9 1.7 22 ,5 55 87.2 101.8 Medium 40 Halting 366 73.9 73. 2 .9 22, 6 70 110.9 102.2 Medium 41 United U-65 . 73.4 71 ,0 3.4 21 .9 54 85.6 99.2 Medium 4? Doubet D-42 . 73.1 72 1.5 21 .4 74 117.3 100.6 Medium 43 Moews 520 , 72.7 72 .9 22 .2 84 133.1 100.6 Medium 44 Munson M-15 72.4 69 ,8 3.7 20 .8 60 95.1 97.5 Medium 45 Lowe 514 72.3 71 1.7 21.0 53 84.0 99.2 Medium 46 DeKalb 816 72.1 70 8 1.8 21 .7 ' 70 110.9 98.9 Medium 47 P.A.G. 5897 72.0 71 5 .8 22 .0 68 107.8 99.9 Medium 48 Morton M-380 71.9 71 3 .8 22 .2 80 126.8 99.6 Medium 4') Morton M-12 71.8 70 , 7 1.7 22 .9 71 112.5 98.7 Medium 49 Huey H-23 71.8 70 4 2.0 22 .6 56 88.7 98.3 M-high 51 DeKalb 628A . 71.3 69 .2 2.8 21 .8 64 101.4 96.6 M-high 52 Munson M-19 . 70.8 67 .5 5.1 22 .0 65 103.0 94.3 Medium 53 Producers 315 70.7 70 ,2 .6 20 .3 74 117.3 98.0 Medium 54 Lowe 523 . 70.6 70 .0 1.2 24 .4 43 68.1 97.8 Medium 54 Hulling 101 , 70.6 69 ,5 1.8 21 .1 54 85.6 97.1 Medium 56 Morgan M-546 70.3 67 ,8 3.4 24 .9 53 84.0 94.7 M-high 57 Furr 67 . 70.1 69 ,2 1.3 20 .7 48 76.1 96.6 M-low 57 Stewart S-8 . 70.1 68 ,7 2.0 24 .8 41 65.0 95.9 M-high 59 Hoosier Crost 668 69 . 3 65 S 5.5 22 .0 40 63.4 91.5 Medium 60 FunkG-37 69.1 67 9 1.7 21 ,4 58 91.9 94.8 Medium 61 Moews 550 . 68 . 5 67 .2 1.6 20 .3 82 130.0 93.8 Medium 6? Crow 607 . 68.1 66 6 2.3 24 .3 45 71.3 93.0 Medium 63 U. S. 13 (Morgan) 67.1 65 1 3.0 24 .4 64 101.4 90.9 Medium 64 P.A.G. 170 66.7 66 ,1 .9 20 .8 80 126.8 90.9 Medium 65 Farmcraft FC-47 66.4 65 3 1.8 22 .0 41 65.0 91.2 Medium 66 Ward 115B 66.3 65 .4 1.2 20 .6 55 87.2 91.3 Medium 66 Hulling 260 66.3 65 .2 1.6 22 .2 82 130.0 91.1 Medium 68 Ferris F-A1 . 66.2 66 ,1 .1 21 .6 56 88.7 92.3 Medium 69 Moews 14 65.9 65 6 .6 20.4 45 71.3 91.6 Medium 69 United U-59 65.9 65 1.4 27 .2 64 101.4 90.8 Medium 71 P.A.G. 392 . 64.8 64 1.1 20 .7 70 110.9 89.4 Medium 7?. Producers 311 . 64.1 63 1 1.6 20 ,4 58 91.9 88.1 Medium 73 Hoosier Crost 746 63.0 62, 3 1.3 23 2 69 109.4 87.0 Medium 73 P.A.G. 299 63.0 62 2 1.5 20 ,4 59 93.5 86.9 Medium 75 Huey H-42 . 62.8 60 8 3.4 20 .4 80 126.8 84.9 M-high 76 Huey H-20 61.1 59 ,8 2.1 22 . 74 117.3 83.5 Medium 77 Morton M-33 61.0 59 6 2.6 22 .8 76 120.4 83.2 Medium 78 Hoosier Crost F-169 58.5 56. 5 3.5 22 6 63 99.8 78.9 Medium 7') Keystone 42 58.3 57.9 .6 21 5 60 95.1 80.9 M-high 80 Huey H-50 56.8 56. 1.2 22 3 84 133.1 78.2 Medium 81 Lowe 520 54.6 54. 1 1.2 22, 9 75 118.9 75.6 Medium Averaee of all entries. . . 73.0 71 6 2.0 22. 3 63.1 A difference of less than 6.0 bushels between total yields of any two entries in 1947 is not significant. Formerly Pfister. b 1947 yield computed as average of U. S. 13 seed from the following pro- ducers: Lepper, Morgan, and Morton. 1948} ILLINOIS HYBRID CORN TESTS: 1947 Table 7. HYBRID RESISTANCE TO CORN ROOTWORM' DAMAGE: Galesburg Summary, 1943 and 1947 Plants Plants Resistance leaning leaning rating corn- Rank Entry 30 degrees more than pared with or more 45 degrees average perct. perct. 1 Lowe 520 6.7 1.7 243 2 DeKalb 816 8.9 1.6 203 3 DeKalb 800A 8.4 2.0 200 4 Morgan M-546 8.6 2.0 197 5 Doubet D-72 9.2 1.8 194 6 Moews 550 10.0 2.5 165 7 b Producers 940 13.8 1.4 149 8 DeKalb 817A 12.8 2.6 138 9 Funk G-37 10.5 5.3 136 10 Illinois 21 13.9 4.2 111 11 DeKalb 628A 15.6 3.9 106 12 Pioneer 339 18.4 2.6 105 13 P.A.G.<=5897 14.1 4.8 104 14 Crow 633 16.5 3.7 103 15-1 National 125 16.0 4.1 102 16 U. S. 13 16.1 6.0 88 17 Farmcraft FC-47 22.8 4.7 77 18 Hoosier Crost 668 18.7 8.4 70 19 Illinois 972 24.2 8.6 60 20 Crow 607 26.5 7.6 59 20 Moews 14 25.1 8.4 59 22 b Producers 730 25 . 8 11.6 41 Average of all entries 15.6 4.6 100 Differences between hybrids are not significant. Mostly southern corn rootworm, Diabrotica duodecimpunctata (F.). b In 1943 entries were Producers 1040 and 1030 respectively. c Formerly Pfister. d In 1947 entry was National 125-1. In 1947 entry was Illinois 972-1 (Pringle). 540 BULLETIN No. 527 [February, Table 8. HYBRID RESISTANCE TO CORN ROOTWORM* DAMAGE: Galesburg, West North-Central Illinois, 1947 ts Plants Resistance ng leaning rating com- rees more than pared with :>re 45 degrees average b Average of all entries 33.6 12.9 100 cent between any two entries is not significant. t^-'t oo^t^tNx !NOo^>oooi^fs>oat-t-(Ma>o^^ax^o^ r-.'*t^pou^wo < ^' CSrOf / )f / lfOf*5'^'^' a c E W e a <*. 1 2SB-2SS^S23S~^S3B~^'s~ss < < *2 d^oivoV^^^; *" : o> g'S c CJsdj & G'Z GV c &C/3 ^ 2 lc/i'B^"e J ^ j"^ C" S^J oo3.2 34)O c5 3=3 ".2 3 .-0=3 t3;3* 1 ; < - n! .22'co'c 4 Ward 115B 4 Moews 14 6 Ferris F- A 1 6 Illinois 972-1 (Pringle) 8 Hoosier Crost 668 . . . 9 Stewart S-8 Bear OK-60 1 Producers 730. . . ^^^,^ Tt ,^.^^^. lol/) ^ l/ , in ^ lo .ooo^ooooo*^,^ -oooo lants Plants Resistance aning leaning rating com- legrees more than pared with more 45 degrees average b V a (N ~~" CO CO (0 I/51NW ** ^i, -o \o oo co o o* vOf^O 126.8 Medium 8 Whisnand 917(W) 59.3 58.3 1.7 24 ,1 72 130 123.0 M-high 9 Lowe855(W) 57.5 56.1 2.4 23 ,2 62 111 9 118.4 M-high 10 Ainsworth X-13-3 56.4 55.2 2.1 22 .1 65 117 .3 116.4 Medium 11 Bear OK-50A 56.3 55.7 1.0 21 .4 67 120 .<> 117.5 M-low 12 Pointer Brand 87 56.2 55.1 2.0 22 .8 46 83.0 116.2 Medium 13 Illinois 200 (Haudrich) 56.1 55.6 .9 23 .6 48 86 6 117.3 Medium 14 U. S. 13 (Kelly) 55.9 54.6 2.4 23 .6 64 115 .5 115.2 Medium l.S P.A.G. 173 55.3 54.8 .9 20 .9 47 84 .8 115.6 Medium 16 DeKalb 923(W) 55.2 54.7 .9 26 .4 58 104 .7 115.4 Medium 17 P.A.G. 612(W) 53.8 53.0 1.4 26 .5 52 93 .9 111.8 M-high IX Illinois 784 (Haudrich) 53.6 52.9 1.3 28 .2 59 106 5 111.6 Medium 19 Pioneer 505(W) 53.5 53.0 1.0 27 .3 61 110 .1 111.8 M-high 20 Huey H-23 53.4 51.8 3.0 21 .2 53 95 ,7 109.3 Medium 21 DeKalb 875 52.4 51.5 1.7 23 .7 60 108 ,3 108.6 M-low 22 U. S. 13 (Canterbury) 52.3 50.9 2.6 22 1 46 83 .0 107.4 M-high 23 Pioneer 302 52.2 51.7 .9 28 5 50 90 2 109.1 Medium 24 Whisnand 804 51.8 50.0 3.4 19 ,2 47 84 ,8 105.4 M-low 25 Ward 120A 51.7 50.2 2.9 73 .7 48 86 6 105.9 Medium 26 Ainsworth X-14A 51.4 49.8 3.0 25 1 74 133 6 105.1 M-high 27 P.A.G. 617(W) 51.3 50.8 1.0 25. 9 65 117. 3 107.2 M-high 28 P.A.G. 392 50.8 50.1 1.4 19 7 71 128 2 105.7 Medium 29 Keystone 38 50.7 50.0 1.4 22 2 46 83. 105.5 Medium M Kelly K-99 50.4 49.8 1.1 19 6 37 66 8 105.1 Medium M Illinois 1453 50.4 49.4 2.0 30 .7 61 110 1 104.2 Medium 32 Bear OK-315(W) 50.3 49.8 .9 23 5 42 75. 8 103.8 Medium .<.< Doubet D-42 50.0 49.2 1.6 20 9 65 117 3 103.8 Medium 33 Ward 125 50.0 49.1 1.8 22 .4 50 90 2 103.6 Medium 35 Hoosier Crost 708 (W) 49.9 48.2 3.4 24. 7 46 83. 101.7 M-high 36 Illinois 21 (Haudrich) 49.6 48.5 2.2 21. 66 119. 1 102.3 Medium 37 Keystone 45 49.3 48.6 1.3 24.9 62 111. o 102.5 Mediiim 38 Pioneer 313B 49.1 48.0 2.3 22. 50 90 2 101.3 Medium 39 Illinois 972 (Pfeifer).. >.. 49.0 46.9 4.2 24. 3 40 72. 2 98.9 Medium 40 Illinois 200 (Burrus) 48.9 48.3 1.3 23, 8 49 88. 4 102.0 Medium 41 Bear OK-69 48.6 47.5 2.3 23. 2 69 124. 5 100.2 Medium 42 Illinois 2216(W) 48.4 47.4 2.1 25. 1 55 99. 3 100.0 Medium 43 Funk G-80 48.2 46.4 3.8 75. 6 66 119. 1 97.9 Medium 44 Kelly K-100 48.0 47.4 1.2 20. 1 46 83. 100.0 Medium (Table is concluded on next page) 1948] ILLINOIS HYBRID CORN TESTS: 1947 Table 12. SOUTHERN ILLINOIS: Alhambra concluded 547 Rank Entry Damaged Acre-yield corn in Mois- ture in grain at harvest Erect plants Rating for Compara- tive height of ear Erect plants Sound yield Total Sound sample 1947 RESULTS concluded bu. bu. pa ct. per a. perct. perct. perct. 45 Pioneer 300 47.9 47.5 .8 22 50 90.2 100.2 Medium 45 Huey H-20 47.9 47.3 1 ,3 22 .0 54 97.5 99.8 Medium 47 Kelly K-374 47.7 46.8 1 8 20 5 50 90.2 98.7 Medium 48 Pioneer 332 47.1 46.2 2 .0 23 .2 34 61.4 97.5 Medium 4X Lowe 820 47.1 45.6 3 .2 26 .5 62 111.9 96.2 Medium .SO United U-68 47.0 46.5 1 .1 23 .4 65 117.3 98.1 Medium 51 Embro 36 46.9 45.7 2 .6 20 6 62 111.9 96.4 Medium 52 United U-49 46.8 45.6 2 .6 23 .0 48 86.6 96.2 Medium 52 Illinois 126 (Canterbury) . . 46.8 45.5 2 ,7 22 9 32 57.8 96.0 Medium 52 Hoosier Crost FD-8 46.8 45.1 3 .7 19 .9 51 92.1 95.2 M-low 55 Daily DX-9 46.6 45.1 3 .3 22 .4 57 102.9 95.2 Medium 56 Appl A-130 46.5 45.7 1 .8 23 .9 67 120.9 96.4 Medium 57 Hoosier Crost 1010 46.3 45.3 2 .2 27 .1 64 115.5 95.6 Medium 5S DeKalb 898 46.2 45.8 .9 22 .7 62 111.9 96.6 Medium 59 Illinois 126 (Haudrich) 45.7 45.4 6 21 6 46 83.0 95.6 Medium 60 DeKalb 816 45.5 44.8 1 .6 22 .5 52 93.9 94.5 M-low 61 Lowe 830 45.3 44.4 2 .0 27 .4 36 65.0 93.7 Medium 6> Whisnand 834 44.6 42.0 5 .7 25 .9 44 79.4 88.6 Medium 63 P.A.G. 164 44.2 43.0 2 .7 21 .5 73 131.8 90.7 Medium 64 Morgan M-546 42.8 41.7 2 .5 21 .2 59 106.5 88.0 M-low 65 Lowe 523 42.7 41.8 2 .1 22 .3 44 79.4 88.2 Medium 66 U. S. 13 (Morgan) 40.8 39.9 2 .2 23 .6 71 128.2 84.2 Medium 67 Lowe 840 40.4 37.9 6 .2 27 .5 54 97.5 80.0 Medium 68 P.A.G. 170 39.8 39.6 .6 20 .6 42 75.8 83.5 M-low 6