The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia
1999 Corn Performance Tests
Research Report #661
November, 1999
Anton E. Coy, J. LaDon Day, and Paul A Rose, Editors
| Griffin,
Georgia: Short-Season Corn Hybrid Performance, 1999, Irrigated |
||||||||||
| Yield1 | ||||||||||
| Company or Brand Name |
Hybrid Name |
1999 | 3-Year Average |
Ears/100 Plants |
Ear Grain Weight |
Grain Quality2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
|
| bu/acre | no. | lb | rating | % | no. | % | ||||
| Southern States | SS747CL | 205.7 | . | 100 | 0.40 | 1.0 | 15.1 | 28919 | 100 | |
| Asgrow | RX 913 | 200.8 | . | 100 | 0.40 | 1.1 | 15.8 | 28072 | 100 | |
| Southern States | SS769BT | 196.8 | . | 102 | 0.37 | 1.3 | 14.7 | 29282 | 100 | |
| DeKalb | DK 650 | 196.6 | . | 101 | 0.39 | 1.4 | 16.0 | 28193 | 100 | |
| Southern States | SS787 | 196.5 | 194.3 | 99 | 0.38 | 1.4 | 15.0 | 28919 | 100 | |
| Pioneer | 3223 | 196.5 | 209.4 | 101 | 0.38 | 1.3 | 15.3 | 28556 | 100 | |
| Pioneer | 3245 | 196.4 | 191.8 | 101 | 0.39 | 1.0 | 15.3 | 27709 | 100 | |
| Garst | 8222IT | 192.4 | . | 98 | 0.41 | 1.1 | 17.0 | 27104 | 100 | |
| Asgrow | RX 889 | 189.6 | . | 101 | 0.38 | 1.1 | 16.2 | 27951 | 100 | |
| Pioneer | 33J56 | 186.1 | . | 101 | 0.36 | 1.9 | 14.6 | 28072 | 100 | |
| Pioneer | 32k61 | 183.4 | 191.0 | 100 | 0.34 | 1.9 | 14.6 | 29887 | 100 | |
| Southern States | SS729CL | 181.5 | . | 99 | 0.38 | 1.1 | 14.5 | 26741 | 100 | |
| Asgrow | RX 826 | 177.2 | . | 99 | 0.36 | 1.3 | 15.2 | 28075 | 100 | |
| Pioneer | 33K81 | 175.6 | . | 97 | 0.38 | 1.6 | 14.3 | 26378 | 100 | |
| Pioneer | 33G26 | 169.8 | . | 99 | 0.33 | 1.8 | 14.4 | 28556 | 100 | |
| Average | 189.74 | 196.6 | 100 | 0.38 | 1.3 | 15.2 | 28161 | 100 | ||
| LSD at 10% Level | 11.9 | N.S.5 | N.S. | 0.03 | 0.3 | 0.4 | N.S. | - | ||
| Std. Err. of Entry Mean | 5.0 | 2.7 | 1 | 0.01 | 0.1 | 0.2 | 964 | - | ||
| 1. Yields calculated at 15.5% moisture. | ||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | ||||||||||
| 3. Grain moisture at harvest. | ||||||||||
| 4. CV = 5.3%, and df for EMS = 42. | ||||||||||
| 5. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore an 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 8, 1999. | |||||||||
| Harvested: | September 7, 1999. | |||||||||
| Seeding Rate: | 30,000 seeds/acre in 30" rows. | |||||||||
| Soil Type: | Cecil sandy clay loam. | |||||||||
| Soil Test: | P = Medium, K = High, and pH = 6.7. | |||||||||
| Fertilization: | 49 lb N, 98 lb P2O5, and 147 lb K2O/acre as preplant; 200 lb N and lb S/acre as sidedress. | |||||||||
| Previous Crop: | Soybean. | |||||||||
| Management: | Moldboard plowed and rototilled; Aatrex and Lasso used for weed control; irrigated 9 inches. | |||||||||
| Test conducted by P.A. Rose and J. L. Day. | ||||||||||
| Griffin, Georgia: Mid and Full-Season Corn Hybrid Performance, 1999, Irrigated |
|||||||||
| Yield1 | |||||||||
| Company or Brand Name |
Hybrid Name |
1999 | 3-Year Average |
Ears/100 Plants |
Ear Grain Weight |
Grain Quality2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
| bu/acre | no. | lb | rating | % | no. | % | |||
| Pioneer | 3163 | 203.6 | 201.3 | 99 | 0.48 | 1.0 | 15.3 | 24321 | 100 |
| Southern States | SS859CL | 198.7 | . | 98 | 0.46 | 1.1 | 17.1 | 25531 | 100 |
| DeKalb | DK 679 | 185.5 | . | 102 | 0.40 | 1.1 | 16.1 | 25773 | 100 |
| Garst | 8220 | 181.1 | . | 99 | 0.42 | 1.9 | 18.8 | 25652 | 100 |
| NK | N 8811 | 180.4 | 182.7 | 100 | 0.42 | 1.3 | 18.5 | 25289 | 100 |
| Pioneer | 3085* | 179.8 | 187.2 | 100 | 0.45 | 1.0 | 18.7 | 23111 | 100 |
| DeKalb | DK 687 | 178.7 | . | 100 | 0.43 | 1.1 | 15.8 | 23353 | 100 |
| Average | 186.84 | 190.4 | 100 | 0.44 | 1.2 | 17.2 | 24719 | 100 | |
| LSD at 10% Level | 13.2 | 7.4 | N.S.5 | 0.04 | 0.3 | 0.6 | N.S. | - | |
| Std. Err. of Entry Mean | 5.4 | 3.0 | 2 | 0.02 | 0.1 | 0.3 | 874 | - | |
| * Full-season hybrid. | |||||||||
| 1. Yields calculated at 15.5% moisture. | |||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | |||||||||
| 3. Grain moisture at harvest. | |||||||||
| 4. CV = 5.7%, and df for EMS = 18. | |||||||||
| 5. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore an 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 8, 1999. | ||||||||
| Harvested: | September 7, 1999. | ||||||||
| Seeding Rate: | 26,500 seeds/acre in 30" rows. | ||||||||
| Soil Type: | Cecil sandy clay loam. | ||||||||
| Soil Test: | P = Medium, K = High, and pH = 6.7. | ||||||||
| Fertilization: | 49 lb N, 98 lb P2O5, and 147 lb K2O/acre as preplant; 200 lb N and lb S/acre as sidedress. | ||||||||
| Previous Crop: | Soybean. | ||||||||
| Management: | Moldboard plowed and rototilled; Aatrex and Lasso used for weed control; irrigated 9 inches. | ||||||||
| Test conducted by P. A. Rose and J. L. Day. | |||||||||