The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 North Georgia Region Calhoun, Georgia: Short-Season Corn Hybrid Performance, 2005, Nonirrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2005 -------- bu/acre -------- Terral Terral Terral Terral Terral TV27C48 TV26BR41(RR/YGCB) TV25BR23(RR/YGCB) TV25R31(RR) TV23R31(RR) 201.8 201.2 194.7 187.1 185.2 . . . . . . . . . . 122 100 102 100 106 0.44 0.50 0.48 0.46 0.44 1.6 1.1 1.8 1.5 1.0 Terral NK Golden Acres SS AgraTech TV26B34(YGCB) 1851W 8112 692BT 733RR 179.6 172.8 172.5 172.2 168.5 . 176.7 180.2 . . . 181.6 178.0 . . 107 101 115 110 102 0.47 0.43 0.47 0.47 0.48 Pioneer Croplan Genetics Pioneer DeKalb Pioneer 34B24(YGCB) 731HX/LL 33M54 DKC61-72(RR2) 33V15 165.8 165.1 163.8 161.9 159.9 165.9 . . . 179.1 164.8 . . . 168.7 110 114 103 107 116 Croplan Genetics 692RR2/BT Hytest 7799Bt Pioneer 33H25 159.7 158.2 137.6 . 182.9 . . . . Average 172.6 4 176.9 N.S.5 14.6 6.1 6.2 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 % 15.7 15.0 14.6 14.8 14.9 21612 22484 21998 22774 22325 98 100 100 100 99 1.4 1.1 1.3 1.0 1.3 14.6 15.4 14.4 14.4 15.0 20030 22484 17692 18763 19304 100 100 100 100 100 0.44 0.45 0.46 0.44 0.45 1.6 1.3 1.5 1.9 1.3 14.3 14.8 14.9 14.2 14.6 19014 17997 19289 19580 17256 100 99 100 98 99 105 108 124 0.42 0.42 0.35 1.5 1.1 1.6 15.2 14.6 14.3 20596 19740 17422 100 100 100 173.3 108 0.45 1.4 14.7 20020 100 N.S. 5.0 9 4 0.06 0.02 0.5 0.2 0.4 0.2 2149 907 N.S. 1 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 7.1%, and df for EMS = 51. 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: April 20, 2005. Harvested: September 27, 2005. Seeding Rate: 24,400 seeds/acre in 30" rows. Soil Type: Rome gravelly clay loam. Soil Test: P = Medium, K = High, and pH = 6.0. Fertilization: 50 lb N, 60 lb P2O5, and 120 lb K2O/acre as preplant; 150 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed, disked, and rototilled; Atrazine, Lasso, Accent and one cultivation used weed control. Test conducted by P. A. Rose and J. Stubbs. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 Calhoun, Georgia: Mid-Season Corn Hybrid Performance, 2005, Nonirrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2005 -------- bu/acre -------- Croplan Genetics DeKalb SS NK AgraTech 851RR2/BT DKC69-71(RR2/YGCB) 842RR2/YGCB N91-R9 755RR 208.3 189.0 188.3 185.5 185.3 . 183.9 . 182.4 . . 189.9 . 183.9 . 104 107 111 101 109 0.54 0.45 0.49 0.56 0.46 1.0 1.0 1.1 1.0 1.1 DynaGro Vigoro Pioneer Golden Acres AgraTech CX04520 V58Y41 31G66 8311 755RRbtCRW 181.4 179.0 176.7 174.5 167.1 . 190.3 178.3 174.2 . . . 180.0 166.6 . 117 107 117 100 109 0.48 0.45 0.50 0.47 0.47 DynaGro Hytest Vigoro Golden Acres CX05516 7806RR2/BT V62R66 8681FQ 165.8 163.9 147.6 136.8 . . . 155.2 . . . 158.3 105 106 116 101 0.44 0.48 0.43 0.49 174.9 4 177.4 N.S.5 17.0 7.1 5.9 175.7 108 10.4 4.4 7 3 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 % 15.1 15.5 15.9 15.9 14.9 20909 21960 19602 18404 20653 100 100 98 100 100 1.0 1.1 1.0 1.0 1.0 15.0 15.2 15.2 15.1 14.9 18131 21050 16977 20904 18187 100 100 100 100 100 1.0 1.1 1.0 1.0 14.9 15.8 15.0 16.4 20178 18131 16679 15682 100 100 99 100 0.48 1.0 15.3 19103 100 0.04 0.02 N.S. 0.1 0.2 0.1 2124 891 N.S. 1 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 8.2%, and df for EMS = 39. 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: April 20, 2005. Harvested: September 28, 2005. Seeding Rate: 23,000 seeds/acre in 30" rows. Soil Type: Rome gravelly clay loam. Soil Test: P = Medium, K = High, and pH = 6.0. Fertilization: 50 lb N, 60 lb P2O5, and 120 lb K2O/acre as preplant; 150 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed, disked, and rototilled; Atrazine, Lasso, Accent and one cultivation used weed control. Test conducted by P. A. Rose and J. Stubbs. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 Calhoun, Georgia: Short-Season Corn Hybrid Performance, 2005, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2005 -------- bu/acre -------- Terral Terral Terral Terral Pioneer TV27C48 TV26BR41(RR/YGCB) TV25R31(RR) TV23R31(RR) 33V15 211.6 206.4 198.0 197.2 195.9 . . . . 196.9 . . . . 172.9 105 100 103 106 110 0.47 0.48 0.44 0.44 0.43 1.0 1.0 1.1 1.0 1.0 Terral Terral Croplan Genetics Hytest Croplan Genetics TV25BR23(RR/YGCB) TV26B34(YGCB) 731HX/LL 7799Bt 692RR2/BT 194.6 193.5 191.8 189.6 185.8 . . . 205.7 . . . . . . 105 116 103 99 102 0.44 0.48 0.45 0.48 0.43 SS Pioneer NK DeKalb Pioneer 692BT 33M54 1851W DKC61-72(RR2) 33H25 184.2 183.6 182.6 180.0 179.1 . . 190.3 . . . . 183.5 . . 101 110 101 109 110 Golden Acres AgraTech Pioneer 8112 733RR 34B24(YGCB) 177.7 165.5 157.6 190.6 . 182.8 173.5 . 180.2 187.5 4 193.3 N.S.5 15.6 6.6 6.1 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 % 15.5 14.9 14.6 14.8 14.5 24301 24156 24290 23740 22880 100 100 100 100 99 1.0 1.0 1.0 1.1 1.0 14.6 14.7 14.8 14.6 14.9 23740 19945 23140 22184 23751 100 100 100 100 100 0.42 0.44 0.41 0.40 0.42 1.0 1.0 1.0 1.4 1.0 14.2 14.9 14.9 13.9 14.5 24591 21397 24580 22880 21386 100 100 99 100 99 108 106 99 0.42 0.43 0.42 1.0 1.0 1.0 14.4 14.6 14.6 21821 19976 21748 100 99 100 177.5 105 0.44 1.0 14.7 22806 100 N.S. 5.6 N.S. 3 N.S. 0.02 0.2 0.1 0.3 0.1 N.S. 1198 - Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 7.0%, and df for EMS = 51. 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: April 20, 2005. Harvested: September 28, 2005. Seeding Rate: 26,500 seeds/acre in 30" rows. Soil Type: Rome gravelly clay loam. Soil Test: P = High, K = High, and pH = 6.2. Fertilization: 75 lb N, 90 lb P2O5, and 180 lb K2O/acre as preplant; 200 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed, disked, and rototilled; Atrazine, Lasso, Accent and one cultivation used weed control; Irrigated 0 inches. Test conducted by P. A. Rose and J. Stubbs. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 Calhoun, Georgia: Mid-Season Corn Hybrid Performance, 2005, Irrigated Company or Brand Name Hybrid Name Yield1 2-Year 3-Year Avg Avg 2005 -------- bu/acre -------- Croplan Genetics Vigoro Pioneer DeKalb AgraTech 851RR2/BT V58Y41 31G66 DKC69-71(RR2/YGCB) 755RR 209.5 206.7 205.0 202.3 196.2 . 203.6 206.5 208.3 . . . 212.9 199.5 . 97 105 107 100 98 0.50 0.47 0.51 0.46 0.49 1.1 1.0 1.0 1.0 1.0 DynaGro Hytest SS DynaGro NK CX04520 7806RR2/BT 842RR2/YGCB CX05516 N91-R9 193.4 191.7 190.9 189.3 188.4 . . . . 201.4 . . . . 190.1 103 106 104 109 102 0.48 0.48 0.44 0.44 0.47 AgraTech Vigoro Golden Acres Golden Acres 755RRbtCRW V62R66 8681FQ 8311 180.6 180.3 170.8 165.7 . . 175.1 182.0 . . 166.4 177.1 105 104 101 103 190.8 4 196.1 189.2 103 12.1 4.6 5 2 Average LSD at 10% Level Std. Err. of Entry Mean 13.4 5.6 1. 2. 3. 4. 5. 11.9 5.0 Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 15.2 15.3 15.4 15.5 14.9 23849 23522 21268 24761 22865 100 100 99 100 99 1.0 1.0 1.0 1.0 1.0 14.8 15.4 15.4 15.0 15.8 21862 21127 24176 21998 22443 100 100 100 98 98 0.49 0.45 0.50 0.42 1.1 1.0 1.1 1.0 15.3 15.1 15.8 14.9 19961 21671 18949 21671 100 99 99 100 0.47 N.S.5 0.02 1.0 15.2 22152 99 N.S. 0.1 0.4 0.2 2498 1048 N.S. 1 Yields calculated at 15.5% moisture. Grain quality rating: 1 = excellent to 5 = poor. Grain moisture at harvest. CV = 5.9%, and df for EMS = 39. 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: April 20, 2005. Harvested: September 28, 2005. Seeding Rate: 25,500 seeds/acre in 30" rows. Soil Type: Rome gravelly clay loam. Soil Test: P = High, K = High, and pH = 6.2. Fertilization: 75 lb N, 90 lb P2O5, and 180 lb K2O/acre as preplant; 200 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed, disked, and rototilled; Atrazine, Lasso, Accent and one cultivation used weed control; Irrigated 0 inches. Test conducted by P. A. Rose and J. Stubbs. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 Blairsville, Georgia: Short-Season Corn Hybrid Performance, 2005, Nonirrigated Company or Brand Name Hybrid Name Yield1 2-Year Avg* 2005 --- bu/acre --- SS Hytest Pioneer Croplan Genetics Terral 692BT 7799Bt 33V15 731HX/LL TV25BR23(RR/YGCB) 229.5 221.8 216.8 216.3 216.0 . . 201.5 . . 104 100 109 101 101 0.49 0.51 0.46 0.47 0.48 1.1 1.0 1.3 1.3 1.1 Vigoro Terral Croplan Genetics DeKalb NK V56Y51 TV23R31(RR) 692RR2/BT DKC61-72(RR2) 1851W 212.7 203.1 202.9 201.2 200.3 . . . . 212.5 105 103 103 117 103 0.45 0.45 0.47 0.40 0.44 Golden Acres Pioneer Terral AgraTech 8112 33H25 TV25R31(RR) 733RR 199.2 197.5 192.6 192.2 . . . . 106 109 110 98 207.3 4 207.0 N.S.5 7.7 Average LSD at 10% Level Std. Err. of Entry Mean 17.2 7.2 Ear Grain Grain Ears/100 Grain 2 3 Plants Weight Quality Moist. no. lb rating % Plant Pop. no. Erect Plants % 20.2 19.8 19.5 21.2 21.1 27104 25652 25773 27225 26741 100 100 100 100 100 1.1 1.0 1.0 1.8 1.0 20.1 22.0 22.1 19.4 21.6 26620 26620 25652 25773 26741 100 100 100 100 100 0.42 0.41 0.46 0.49 1.0 1.0 1.0 1.0 20.5 20.3 22.5 20.9 26741 26499 23232 24442 100 100 100 100 105 0.46 1.1 20.8 26058 100 5 2 0.05 0.02 0.3 0.1 0.7 0.3 N.S. 872 - * 2003 and 2005. 1. Yields calculated at 15.5% moisture. 2. Grain quality rating: 1 = excellent to 5 = poor. 3. Grain moisture at harvest. 4. CV = 7.0%, and df for EMS = 39. 5. 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: May 9, 2005. Harvested: October 11, 2005. Seeding Rate: 27,800 seeds/acre in 30" rows. Soil Type: Bradson clay loam. Soil Test: P = High, K = High, and pH = 6.2. Fertilization: 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 170 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed and disked; Atrazine, Bicep, and one cultivation used for weed control. Test conducted by P. A. Rose and H. D. Garrett. The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia Research Report Number 701 October 2005 Blairsville, Georgia: Mid-Season Corn Hybrid Performance, 2005, Nonirrigated Yield1 Ear Grain Grain 2-Year Ears/100 Grain 2 3 Avg* 2005 Plants Weight Quality Moist. -------- bu/acre ------no. lb rating % Company or Brand Name Hybrid Name Plant Pop. no. Erect Plants % DeKalb Pioneer AgraTech Vigoro Croplan Genetics DKC69-71(RR2/YGCB) 31G66 755RR V58Y41 851RR2/BT 229.0 225.3 219.0 218.4 217.0 217.6 223.5 . . . 112 118 105 107 101 0.52 0.50 0.54 0.54 0.54 1.3 1.0 1.1 1.3 1.0 22.6 21.5 21.9 22.9 22.5 24321 23474 23353 23232 24079 100 100 100 100 100 Hytest NK SS DynaGro DynaGro 7806RR2/BT N91-R9 842RR2/YGCB CX04520 CX05516 216.7 214.7 211.7 209.0 202.3 . 217.2 . . . 112 111 107 135 103 0.49 0.51 0.53 0.43 0.49 1.0 1.0 1.1 1.3 1.1 22.0 21.0 23.9 22.6 20.8 24200 22869 23111 22022 23958 100 100 100 100 100 Golden Acres 2295RR 191.6 . 102 0.47 1.0 22.8 24684 100 Average 214.1 4 219.4 LSD at 10% Level Std. Err. of Entry Mean N.S. 5 9.1 110 0.51 1.1 22.2 23573 100 N.S. 6.6 7 3 0.05 0.02 N.S. 0.1 0.8 0.3 N.S. 970 - * 2003 and 2005. 1. Yields calculated at 15.5% moisture. 2. Grain quality rating: 1 = excellent to 5 = poor. 3. Grain moisture at harvest. 4. CV = 8.5%, and df for EMS = 30. 5. 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: May 9, 2005. Harvested: October 11, 2005. Seeding Rate: 25,000 seeds/acre in 30" rows. Soil Type: Bradson clay loam. Soil Test: P = High, K = High, and pH = 6.2. Fertilization: 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 170 lb N/acre as sidedress. Previous Crop: Soybeans. Management: Moldboard plowed and disked; Atrazine, Bicep, and one cultivation used for weed control. Test conducted by P. A. Rose and H. D. Garrett.