The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Grain Tests Results Coastal Plain Region Coastal Plain Region of Georgia: Summary of Corn Hybrid Performance, 2007 Yield Coastal Plain Tifton Tifton Midville Plains Irrigated Average Non-Irr. Irrigated Irrigated Irrigated Average ---------------------------------------- bu/acre ---------------------------------------- Company or Brand Name Variety Short-Season NK DeKalb Pioneer Croplan Genetics SS N77-P5 DKC61-73 RR2/YGCG 33M57(Hx1/LL/RR2) 7505 RR2 731CL 213.9 210.2 208.9 202.3 198.3 142.0 146.7 121.8 127.9 121.1 249.4 253.5 248.5 241.7 213.5 242.4 232.8 250.0 227.9 246.5 221.9 208.0 215.4 211.7 212.2 237.9 231.4 238.0 227.1 224.1 AgraTech Croplan Genetics DeKalb DeKalb Croplan Genetics 695RR 6831TS DK64-27RR2 DK65-47RR2 751TS 197.3 197.1 195.6 194.0 192.8 144.9 132.2 140.7 145.9 130.9 231.5 234.4 223.7 224.1 234.9 241.1 242.1 236.6 226.2 253.8 171.9 179.7 181.5 179.9 151.7 214.8 218.7 213.9 210.1 213.5 DeKalb DKC63-46 RR2/YGCB 178.9 135.6 201.3 223.9 155.1 193.4 199.0 1 25.3 10.8 135.4 N.S.3 12.3 232.4 16.7 7.0 238.5 15.4 6.4 189.9 17.4 7.2 220.2 9.3 4.0 Average LSD at 10% Level Std. Err. of Entry Mean 2 Coastal Plain Region of Georgia: Summary of Corn Hybrid Performance, 2007 (Continued) Yield Coastal Plain Tifton Tifton Midville Plains Irrigated Average Non-Irr. Irrigated Irrigated Irrigated Average ---------------------------------------- bu/acre ---------------------------------------- Company or Brand Name Variety Mid-Season Pioneer Pioneer Pioneer Garst Golden Acres 31D58 31P41 31G65(RR2) 8247YG1 2989RRB 227.7 226.1 222.7 222.5 216.7 142.7 142.7 151.1 140.6 151.6 270.3 263.2 261.3 264.6 254.0 242.9 266.5 272.1 256.5 261.2 255.0 232.0 206.5 228.3 200.2 256.1 253.9 246.6 249.8 238.5 Croplan Genetics Pioneer DynaGro AgraTech Garst 8950 RR2/Bt 31N28(YGCB) CX06517 7711RR 8295YG1/RR 215.3 212.2 211.0 210.6 210.1 149.3 158.5 146.6 155.0 116.3 256.9 262.6 260.0 251.8 250.5 225.9 236.6 231.1 241.7 246.5 229.0 191.0 206.2 194.0 227.0 237.3 230.1 232.4 229.1 241.3 DeKalb DeKalb Golden Acres AgraTech DeKalb DKC69-71(RR2/YGCB) DKC66-23 RR2/YGBC 2842RRBUS 845RR DK67-87 RR2/YGCB 209.0 206.6 206.4 206.0 205.8 140.7 125.6 140.7 124.6 132.4 272.4 251.4 258.6 238.6 244.2 227.2 260.9 240.7 258.7 240.3 195.7 188.6 185.6 201.9 206.2 231.7 233.6 228.3 233.1 230.2 DynaGro AgraTech SS AgraTech Croplan Genetics 58P60 797RR SS783RR2YGCB 897RR 851TS 199.6 198.8 198.4 198.1 197.5 152.1 136.5 135.3 131.8 142.0 217.1 243.3 244.9 236.8 234.5 235.3 221.4 229.6 213.8 245.3 193.9 194.1 183.9 210.1 168.2 215.4 219.6 219.4 220.2 216.0 DeKalb Croplan Genetics DeKalb Croplan Genetics Croplan Genetics DK69-43RR2 799RB DKC67-23(RR2/YGCB) 8702RH 6818TS 196.6 195.6 194.4 192.9 189.3 131.7 125.2 117.5 130.0 128.0 230.4 231.0 239.0 242.2 225.6 222.6 228.2 239.0 243.5 221.3 201.7 198.1 182.3 155.8 182.4 218.2 219.1 220.1 213.8 209.7 206.8 4 28.5 12.2 137.9 N.S. 12.6 248.2 16.9 7.2 240.3 23.6 10.0 200.7 22.7 9.6 229.7 12.2 5.2 Average LSD at 10% Level Std. Err. of Entry Mean 1. CV = 21.7%, and df for EMS = 134. 2. CV = 6.2%, and df for EMS = 90. 3. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. 4. CV = 23.6%, and df for EMS = 316. 5. CV = 7.9%, and df for EMS = 216. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). 5 The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Tifton, Georgia: Short-Season Corn Hybrid Performance, 2007, Nonirrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- DeKalb DeKalb AgraTech NK DeKalb DKC61-73 RR2/YGCG DK65-47RR2 695RR N77-P5 DK64-27RR2 146.7 145.9 144.9 142.0 140.7 . . . . . . . . . . 104 105 108 102 115 0.31 0.34 0.34 0.31 0.32 1.5 1.0 2.5 1.0 1.0 DeKalb Croplan Genetics Croplan Genetics Croplan Genetics Pioneer DKC63-46 RR2/YGCB 6831TS 751TS 7505 RR2 33M57(Hx1/LL/RR2) 135.6 132.2 130.9 127.9 121.8 . . . . . . . . . . 105 106 112 102 110 0.29 0.31 0.29 0.29 0.29 SS 731CL 121.1 . . 127 135.4 4 N.S.5 12.3 . . 109 9 4 Average LSD at 10% Level Std. Err. of Entry Mean 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 16.9 18.3 17.4 18.7 17.6 25918 23522 23087 26136 22325 99 98 100 99 100 1.8 1.0 1.0 1.0 1.0 17.2 20.9 23.3 18.9 22.1 25483 23958 24612 25047 23523 100 99 100 100 100 0.27 1.0 22.7 22216 98 0.31 N.S. 0.03 1.3 0.8 0.2 19.4 1.7 0.7 24166 2369 987 99 N.S. 1 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 18.2%, and df for EMS = 30. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 21, 2007. Harvested: August 8, 2007. Seeding Rate: 26,500 seeds/acre in 30" rows. Soil Type: Fuquay loamy sand. Soil Test: P = Medium, K = Medium, and pH = 6.0. 25 lb N, 139 lb P 2O5, and 37 lb K 2O/acre as preplant; 137 lb N/acre as sidedress. Fertilization: Previous Crop: Peanuts. Subsoiled, bedded and rototilled; Sutan and Aatrex used for weed control; Lorsban used for insect control; Management: Telone II used for nematode control. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Tifton, Georgia: Mid-Season Corn Hybrid Performance, 2007, Nonirrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- Pioneer AgraTech DynaGro Golden Acres Pioneer 31N28(YGCB) 7711RR 58P60 2989RRB 31G65(RR2) 158.5 155.0 152.1 151.6 151.1 . . . . . . . . . . 103 115 137 108 108 0.40 0.35 0.31 0.38 0.36 1.0 1.5 1.0 1.5 1.0 Croplan Genetics DynaGro Pioneer Pioneer Croplan Genetics 8950 RR2/Bt CX06517 31D58 31P41 851TS 149.3 146.6 142.7 142.7 142.0 . . 152.7 155.6 161.5 . . . . 158.4 103 111 103 105 108 0.39 0.38 0.44 0.38 0.38 Golden Acres DeKalb Garst AgraTech SS 2842RRBUS DKC69-71(RR2/YGCB) 8247YG1 797RR SS783RR2YGCB 140.7 140.7 140.6 136.5 135.3 . 150.8 169.5 153.5 . . 148.8 . . . 105 110 104 118 117 DeKalb AgraTech DeKalb Croplan Genetics Croplan Genetics DK67-87 RR2/YGCB 897RR DK69-43RR2 8702RH 6818TS 132.4 131.8 131.7 130.0 128.0 . . . . . . . . . . DeKalb Croplan Genetics AgraTech DeKalb Garst DKC66-23 RR2/YGBC 799RB 845RR DKC67-23(RR2/YGCB) 8295YG1/RR 125.6 125.2 124.6 117.5 116.3 . 150.4 . 147.1 143.8 137.9 N.S.5 12.6 153.9 N.S. 6.2 Average LSD at 10% Level Std. Err. of Entry Mean 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 23.1 21.5 25.8 23.5 20.9 23414 23631 22869 22325 23196 99 95 99 95 100 1.0 1.3 1.0 1.0 2.0 22.0 25.0 23.1 22.6 18.8 22869 21889 19166 21998 20691 86 90 100 100 91 0.39 0.39 0.37 0.31 0.37 1.3 1.0 1.0 1.0 1.0 18.0 25.5 20.1 22.1 24.9 20255 20909 21562 22760 20147 92 96 97 98 100 110 112 106 110 107 0.36 0.35 0.35 0.32 0.33 2.3 2.3 1.0 1.3 1.5 24.0 23.3 21.2 21.2 19.9 21235 20909 21454 22325 21780 99 100 99 97 100 . . . . . 105 104 116 107 105 0.32 0.33 0.32 0.30 0.32 1.0 1.0 1.0 1.0 1.5 22.0 22.5 24.8 18.9 24.2 23196 22107 21127 22216 21671 99 96 99 99 98 153.6 N.S. 5.6 109 10 4 0.36 N.S. 0.03 1.3 N.S. 0.2 22.3 2.6 1.1 21828 2068 878 97 N.S. 2 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 18.2%, and df for EMS = 72. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 21, 2007. Harvested: August 10, 2007. Seeding Rate: 26,500 seeds/acre in 30" rows. Soil Type: Fuquay loamy sand. Soil Test: P = Medium, K = Medium, and pH = 6.0. 25 lb N, 139 lb P 2O5, and 37 lb K 2O/acre as preplant; 137 lb N/acre as sidedress. Fertilization: Previous Crop: Peanuts. Subsoiled, bedded and rototilled; Sutan and Aatrex used for weed control; Lorsban used for insect control; Management: Telone II used for nematode control. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Tifton, Georgia: Short-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- DeKalb NK Pioneer Croplan Genetics Croplan Genetics DKC61-73 RR2/YGCG N77-P5 33M57(Hx1/LL/RR2) 7505 RR2 751TS 253.5 249.4 248.5 241.7 234.9 . . . . . . . . . . 102 101 104 102 100 0.49 0.52 0.49 0.47 0.50 1.5 1.0 1.5 1.5 1.0 Croplan Genetics AgraTech DeKalb DeKalb SS 6831TS 695RR DK65-47RR2 DK64-27RR2 731CL 234.4 231.5 224.1 223.7 213.5 . . . . . . . . . . 101 103 103 106 113 0.52 0.47 0.47 0.42 0.45 DeKalb DKC63-46 RR2/YGCB 201.3 . . 101 . . 103 4 2 Average LSD at 10% Level Std. Err. of Entry Mean 232.4 16.7 7.0 4 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 18.3 20.9 22.9 18.8 21.5 29294 28532 30274 29403 28314 100 100 100 100 100 1.5 1.5 1.5 2.0 1.5 22.2 18.0 19.6 18.9 22.6 27334 27552 27116 29185 25592 100 100 100 100 100 0.38 2.5 18.4 30165 100 0.47 0.03 0.01 1.5 N.S.5 0.3 20.2 2.0 0.8 28433 1426 594 100 - Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 6.0%, and df for EMS = 30. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 23, 2007. Harvested: August 13, 2007. Seeding Rate: 31,500 seeds/acre in 30" rows. Soil Type: Tifton loamy sand. Soil Test: P = High, K = Medium, and pH = 6.0. 60 lb N, 120 lb P 2O5, and 180 lb K 2O/acre as preplant; 203 lb N/acre as sidedress. Fertilization: Previous Crop: Soybean. Subsoiled, bedded and rototilled; Sutan, Aatrex, Prowl, Permit and Accent used for weed control; Management: Telone II used for nematode control; irrigated 8.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Tifton, Georgia: Mid-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- DeKalb Pioneer Garst Pioneer Pioneer DKC69-71(RR2/YGCB) 31D58 8247YG1 31P41 31N28(YGCB) 272.4 270.3 264.6 263.2 262.6 270.1 270.1 262.3 262.6 . 244.1 . . . . 105 105 100 101 103 0.57 0.55 0.57 0.57 0.54 1.0 1.5 2.0 1.0 2.0 Pioneer DynaGro Golden Acres Croplan Genetics Golden Acres 31G65(RR2) CX06517 2842RRBUS 8950 RR2/Bt 2989RRB 261.3 260.0 258.6 256.9 254.0 . . . . . . . . . . 108 103 101 101 103 0.52 0.53 0.54 0.54 0.55 AgraTech DeKalb Garst SS DeKalb 7711RR DKC66-23 RR2/YGBC 8295YG1/RR SS783RR2YGCB DK67-87 RR2/YGCB 251.8 251.4 250.5 244.9 244.2 . . 245.1 . . . . . . . 104 103 101 103 102 AgraTech Croplan Genetics DeKalb AgraTech AgraTech 797RR 8702RH DKC67-23(RR2/YGCB) 845RR 897RR 243.3 242.2 239.0 238.6 236.8 244.9 . 234.9 . . . . . . . Croplan Genetics Croplan Genetics DeKalb Croplan Genetics DynaGro 851TS 799RB DK69-43RR2 6818TS 58P60 234.5 231.0 230.4 225.6 217.1 251.9 238.5 . . . 253.4 11.8 4.9 Average LSD at 10% Level Std. Err. of Entry Mean 248.2 16.9 7.2 4 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 24.8 19.1 19.5 19.2 21.2 28314 27443 27225 26899 28314 100 100 100 100 100 1.0 2.0 2.0 1.0 1.5 18.7 23.2 19.2 20.8 22.7 27334 29512 28096 28096 27769 100 100 100 100 100 0.49 0.51 0.55 0.52 0.51 2.0 1.5 1.5 1.0 2.5 17.9 19.4 22.7 20.1 22.5 28314 28423 27443 27007 28532 100 100 100 100 100 110 103 104 103 104 0.51 0.47 0.52 0.49 0.48 2.5 1.0 1.0 1.0 1.0 24.6 17.3 19.2 20.3 20.7 27334 28532 25918 27769 28532 100 100 100 100 100 231.3 . . . . 101 100 105 104 106 0.50 0.54 0.50 0.46 0.47 2.0 1.5 1.5 1.0 1.5 19.2 19.0 18.7 18.5 22.4 27334 24830 25918 27334 26463 100 100 100 100 99 237.7 N.S.5 4.4 103 4 2 0.52 0.04 0.02 1.5 0.8 0.2 20.4 1.5 0.6 27547 1758 746 100 - Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 5.8%, and df for EMS = 72. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 23, 2007. Harvested: August 13, 2007. Seeding Rate: 30,000 seeds/acre in 30" rows. Soil Type: Tifton loamy sand. Soil Test: P = High, K = Medium, and pH = 6.0. 60 lb N, 120 lb P 2O5, and 180 lb K 2O/acre as preplant; 203 lb N/acre as sidedress. Fertilization: Previous Crop: Soybean. Subsoiled, bedded and rototilled; Sutan, Aatrex, Prowl, Permit and Accent used for weed control; Management: Telone II used for nematode control; irrigated 8.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Tifton, Georgia: Preliminary Corn Hybrid Performance, 2007, Irrigated Grain Quality2 rating Grain Moist.3 % Plant Pop. no. Erect Plants % 0.50 0.54 0.54 0.49 0.49 1.0 1.5 1.5 2.0 2.3 19.7 19.5 18.6 21.1 17.3 27552 27334 26681 28205 26899 100 100 100 100 100 101 105 103 102 106 0.56 0.49 0.49 0.51 0.52 2.0 1.5 1.0 2.0 2.0 20.6 18.4 20.6 18.7 22.2 25809 27443 28314 26899 26027 100 100 100 100 100 233.6 231.9 230.6 222.8 203.4 102 103 105 103 109 0.46 0.49 0.49 0.47 0.44 1.0 1.5 2.0 1.5 1.0 20.7 18.5 21.4 20.7 24.6 29621 26898 26789 27443 26899 100 100 100 100 100 201.8 188.2 106 105 0.43 0.41 1.0 1.0 23.1 16.5 27116 25047 100 100 104 5 2 0.49 0.04 0.01 1.5 N.S.5 0.3 20.1 1.8 0.8 27116 1355 572 100 - Company or Brand Name Hybrid Name AgraTech Croplan Genetics AgraTech Pioneer DeKalb 7754 851TS 7177 33M57(Hx1/LL/RR2) DKC61-73 RR2/YGCG 256.4 252.8 251.0 248.7 246.5 110 101 102 109 107 Greenwood AgraTech DeKalb NK Pioneer TL3450RR 7694 DKC66-23 RR2/YGBC N77-P5 31N28(YGCB) 245.8 241.0 238.9 238.8 235.9 AgraTech AgraTech Croplan Genetics AgraTech Greenwood 7901 7801 6831TS 7907RR TL3550YGCBRR Greenwood Greenwood TL3525YBCBRR GW775 Average LSD at 10% Level Std. Err. of Entry Mean Yield1 bu/acre 233.4 15.6 6.6 Ears/100 Ear Grain Plants Weight no. lb 4 1. 2. 3. 4. 5. Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 5.6%, and df for EMS = 48. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 23, 2007. Harvested: August 13, 2007. Seeding Rate: 31,500 seeds/acre in 30" rows. Soil Type: Tifton loamy sand. Soil Test: P = High, K = Medium, and pH = 6.0. 60 lb N, 120 lb P 2O5, and 180 lb K 2O/acre as preplant; 203 lb N/acre as sidedress. Fertilization: Previous Crop: Soybean. Subsoiled, bedded and rototilled; Sutan, Aatrex, Prowl, Permit and Accent used for weed control; Management: Telone II used for nematode control; irrigated 8.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Plains, Georgia: Short-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- NK Pioneer SS Croplan Genetics DeKalb N77-P5 33M57(Hx1/LL/RR2) 731CL 7505 RR2 DKC61-73 RR2/YGCG 221.9 215.4 212.2 211.7 208.0 . . . . . . . . . . . . . . . . . . . . . . . . . DeKalb DeKalb Croplan Genetics AgraTech DeKalb DK64-27RR2 DK65-47RR2 6831TS 695RR DKC63-46 RR2/YGCB 181.5 179.9 179.7 171.9 155.1 . . . . . . . . . . . . . . . . . . . . Croplan Genetics 751TS 151.7 . . . Average LSD at 10% Level Std. Err. of Entry Mean 189.9 17.4 7.2 . . . 4 Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 15.2 15.9 16.3 15.8 15.0 . . . . . 78 70 50 100 95 . . . . . 15.5 15.6 15.8 15.0 14.8 . . . . . 97 92 55 78 75 . . 16.0 . 65 . . 15.5 0.3 0.1 . 78 - NOTE: A severe rain storm with high wind and hail on June 26 caused stalk lodging. 1. Yields calculated at 15.5% moisture. 2. Grain quality rating: 1 = excellent to 5 = poor. 3. Grain moisture at harvest. 4. CV = 7.6%, and df for EMS = 30. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 22, 2007. Harvested: September 7, 2007. Seeding Rate: 31,500 seeds/acre in 30" rows. Soil Type: Greenville sandy loam. Soil Test: P = Low, K = Medium, and pH = 6.0. 116 lb N, 88 lb P 2O5, and 24 lb K 2O/acre as preplant; 200 lb N/acre as sidedress. Fertilization: Previous Crop: Soybean. Subsoiled, chiseled and rototilled; Aatrex, Prowl and one cultivation used for weed control; Management: irrigated 15.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Plains, Georgia: Mid-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- Pioneer Pioneer Croplan Genetics Garst Garst 31D58 31P41 8950 RR2/Bt 8247YG1 8295YG1/RR 255.0 232.0 229.0 228.3 227.0 236.3 224.3 . 234.7 217.4 . . . . . . . . . . . . . . . 2.0 1.0 2.0 2.0 2.0 AgraTech Pioneer DynaGro DeKalb AgraTech 897RR 31G65(RR2) CX06517 DK67-87 RR2/YGCB 845RR 210.1 206.5 206.2 206.2 201.9 . . . . . . . . . . . . . . . . . . . . DeKalb Golden Acres Croplan Genetics DeKalb AgraTech DK69-43RR2 2989RRB 799RB DKC69-71(RR2/YGCB 797RR 201.7 200.2 198.1 195.7 194.1 . . 221.1 203.4 197.4 . . . 188.6 . . . . . . AgraTech DynaGro Pioneer DeKalb Golden Acres 7711RR 58P60 31N28(YGCB) DKC66-23 RR2/YGBC 2842RRBUS 194.0 193.9 191.0 188.6 185.6 . . . . . . . . . . SS Croplan Genetics DeKalb Croplan Genetics Croplan Genetics SS783RR2YGCB 6818TS DKC67-23(RR2/YGCB 851TS 8702RH 183.9 182.4 182.3 168.2 155.8 . . 177.9 196.6 . 200.7 4 212.1 N.S.5 22.7 9.6 4.7 Average LSD at 10% Level Std. Err. of Entry Mean Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 15.7 15.5 15.9 15.5 15.8 . . . . . 75 68 30 52 68 2.0 1.0 3.0 1.0 2.0 21.9 15.6 16.5 15.5 15.9 . . . . . 82 52 67 55 60 . . . . . 2.0 2.0 3.0 1.0 3.0 15.9 16.1 15.9 16.3 16.2 . . . . . 70 35 35 45 65 . . . . . . . . . . 1.0 3.0 1.0 2.0 3.0 15.3 15.9 16.2 15.6 16.6 . . . . . 55 35 40 42 40 . . . 172.4 . . . . . . . . . . . 2.0 3.0 2.0 1.0 2.0 16.0 15.5 15.5 15.6 15.9 . . . . . 35 40 30 28 45 180.5 N.S. 6.1 . . 2.0 - 16.1 N.S. 1.2 . 50 - NOTE: A severe rain storm with high wind and hail on June 26 caused stalk lodging. 1. Yields calculated at 15.5% moisture. 2. Grain quality rating: 1 = excellent to 5 = poor. 3. Grain moisture at harvest. 4. CV = 9.6%, and df for EMS = 72. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 22, 2007. Harvested: September 7, 2007. Seeding Rate: 31,500 seeds/acre in 30" rows. Soil Type: Greenville sandy loam. Soil Test: P = Low, K = Medium, and pH = 6.0. 116 lb N, 88 lb P 2O5, and 24 lb K 2O/acre as preplant; 200 lb N/acre as sidedress. Fertilization: Previous Crop: Soybean. Subsoiled, chiseled and rototilled; Aatrex, Prowl and one cultivation used for weed control; Management: irrigated 15.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Midville, Georgia: Short-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- Croplan Genetics Pioneer SS NK Croplan Genetics 751TS 33M57(Hx1/LL/RR2) 731CL N77-P5 6831TS 253.8 250.0 246.5 242.4 242.1 . . . . . . . . . . 101 108 113 103 105 0.48 0.43 0.42 0.44 0.41 . . . . . AgraTech DeKalb DeKalb Croplan Genetics DeKalb 695RR DK64-27RR2 DKC61-73 RR2/YGCG 7505 RR2 DK65-47RR2 241.1 236.6 232.8 227.9 226.2 . . . . . . . . . . 105 106 105 105 101 0.45 0.43 0.42 0.42 0.44 DeKalb DKC63-46 RR2/YGCB 223.9 . . 106 . . 105 5 2 Average LSD at 10% Level Std. Err. of Entry Mean 238.5 15.4 6.4 4 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 16.0 16.1 16.1 16.1 15.7 29662 30779 29576 30607 31553 98 94 99 89 100 . . . . . 15.5 15.8 15.4 16.1 15.9 28974 29060 29833 29318 28544 92 98 94 100 100 0.37 . 15.4 31553 100 0.43 N.S.5 0.02 . 15.8 0.2 0.1 29951 N.S. 940 97 6 3 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 5.4%, and df for EMS = 30. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 27, 2007. Harvested: September 6, 2007. Seeding Rate: 32,000 seeds/acre in 30" rows. Soil Type: Dothan loamy sand. Soil Test: P = Medium, K = Medium, and pH = 6.8. 60 lb N, 120 lb P 2O5, and 180 lb K 2O/acre as preplant; 210 lb N/acre as sidedress. Fertilization: Previous Crop: Soybeans. Subsoiled and bedded; rototilled; Aatrex, Prowl, Sutan and Basagran used for weed control; Management: irrigated 19.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 712 October 2007 Midville, Georgia: Mid-Season Corn Hybrid Performance, 2007, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2007 -------- bu/acre -------- Pioneer Pioneer Golden Acres DeKalb AgraTech 31G65(RR2) 31P41 2989RRB DKC66-23 RR2/YGBC 845RR 272.1 266.5 261.2 260.9 258.7 . 250.5 . . . . . . . . 112 101 113 107 131 0.52 0.52 0.51 0.51 0.39 . . . . . Garst Garst Croplan Genetics Croplan Genetics Pioneer 8247YG1 8295YG1/RR 851TS 8702RH 31D58 256.5 246.5 245.3 243.5 242.9 239.0 234.3 231.2 . 230.7 . . 208.2 . . 102 103 104 108 101 0.52 0.48 0.51 0.50 0.46 AgraTech Golden Acres DeKalb DeKalb Pioneer 7711RR 2842RRBUS DK67-87 RR2/YGCB DKC67-23(RR2/YGCB) 31N28(YGCB) 241.7 240.7 240.3 239.0 236.6 . . . 230.9 . . . . . . 107 103 102 110 106 DynaGro DynaGro SS Croplan Genetics DeKalb 58P60 CX06517 SS783RR2YGCB 799RB DKC69-71(RR2/YGCB) 235.3 231.1 229.6 228.2 227.2 . . . 223.0 224.0 . . . . 207.6 Croplan Genetics DeKalb AgraTech Croplan Genetics AgraTech 8950 RR2/Bt DK69-43RR2 797RR 6818TS 897RR 225.9 222.6 221.4 221.3 213.8 . . 225.2 . . 232.1 N.S.5 7.2 Average LSD at 10% Level Std. Err. of Entry Mean 240.3 23.6 10.0 4 1. 2. 3. 4. 5. Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 17.6 16.0 17.1 16.4 17.4 27082 28544 25793 27168 29146 93 99 99 93 100 . . . . . 19.7 16.8 16.0 15.8 16.7 28716 28716 26309 25965 29919 94 99 99 100 100 0.45 0.48 0.46 0.45 0.45 . . . . . 16.1 18.3 16.7 17.8 21.0 29060 28286 29404 28028 30177 95 98 99 100 100 127 103 105 103 102 0.41 0.42 0.43 0.47 0.43 . . . . . 18.6 16.7 16.3 20.4 17.6 26910 30263 29146 28114 29833 99 100 98 95 100 . . . . . 104 102 110 114 102 0.43 0.42 0.40 0.37 0.39 . . . . . 17.4 16.5 16.9 16.6 16.9 29576 29318 28974 29576 30349 89 100 98 98 100 207.9 N.S. 4.5 107 7 3 0.45 0.06 0.03 . 17.3 N.S. 1.5 28575 1917 813 98 4 2 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 8.4%, and df for EMS = 72. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated. Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). Planted: March 27, 2007. Harvested: September 6, 2007. Seeding Rate: 30,500 seeds/acre in 30" rows. Soil Type: Dothan loamy sand. Soil Test: P = Medium, K = Medium, and pH = 6.8. 60 lb N, 120 lb P 2O5, and 180 lb K 2O/acre as preplant; 210 lb N/acre as sidedress. Fertilization: Previous Crop: Soybeans. Subsoiled and bedded; rototilled; Aatrex, Prowl, Sutan and Basagran used for weed control; Management: irrigated 19.0 inches. Test conducted by A. E. Coy, R. Brooke, and R. Jackson.