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
| Calhoun,
Georgia: Short-Season Corn Hybrid Performance, 1999, Nonirrigated |
||||||||||
| Yield1 | ||||||||||
| Company
or Brand Name |
Hybrid Name |
1999 | 2-Year Average |
Ears/100 Plants |
Ear
Grain Weight |
Grain Quality2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
|
| bu/acre | no. | lb | rating | % | no. | % | ||||
| Garst | 8222IT | 112.3 | . | 99 | 0.27 | 1.1 | 13.1 | 23232 | 85 | |
| Pioneer | 32k61 | 112.2 | 78.4 | 96 | 0.31 | 1.1 | 12.9 | 20445 | 97 | |
| Pioneer | 33G26 | 111.4 | 73.3 | 99 | 0.29 | 1.1 | 12.6 | 21054 | 94 | |
| Pioneer | 3245 | 110.3 | 79.9 | 98 | 0.29 | 1.1 | 12.5 | 21417 | 81 | |
| Pioneer | 33J56 | 105.8 | . | 99 | 0.28 | 1.4 | 12.6 | 20691 | 73 | |
| Southern States | SS787 | 100.0 | 80.3 | 100 | 0.25 | 1.0 | 12.4 | 21780 | 88 | |
| Pioneer | 33K81 | 99.7 | . | 99 | 0.26 | 1.4 | 12.4 | 21175 | 88 | |
| Southern States | SS729CL | 94.6 | . | 99 | 0.24 | 1.3 | 12.1 | 21413 | 92 | |
| Southern States | SS769BT | 87.4 | . | 102 | 0.24 | 1.1 | 12.1 | 19239 | 74 | |
| Southern States | SS747CL | 86.8 | . | 98 | 0.25 | 1.3 | 12.1 | 18997 | 80 | |
| Funk's G | 5510-A | 84.7 | 74.3 | 98 | 0.24 | 1.6 | 12.7 | 19481 | 77 | |
| Average | 100.44 | 77.2 | 99 | 0.27 | 1.2 | 12.5 | 20811 | 84 | ||
| LSD at 10% Level | 13.7 | N.S.5 | N.S. | 0.03 | 0.2 | 0.4 | N.S. | 14 | ||
| Std. Err. of Entry Mean | 5.7 | 2.9 | 1 | 0.01 | 0.1 | 0.1 | 1136 | 6 | ||
| 1. Yields calculated at 15.5% moisture. | ||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | ||||||||||
| 3. Grain moisture at harvest. | ||||||||||
| 4. CV = 11.3%, and df for EMS = 30. | ||||||||||
| 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: | May 11, 1999. *This test first planted on April 14, but due to stand loss was replanted on May 11. |
|||||||||
| Harvested: | September 22, 1999. | |||||||||
| Seeding Rate: | 25,500 seeds/acre in 30" rows. | |||||||||
| Soil Type: | Rome gravelly clay loam. | |||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.2. | |||||||||
| Fertilization: | 50 lb N, 47 lb P2O5, and 70 lb K2O/acre as preplant; 100 lb N/acre as sidedress. | |||||||||
| Previous Crop: | Soybean. | |||||||||
| Management: | Moldboard plowed and rototilled; Aatrex and Lasso used for weed control. | |||||||||
| Test conducted by P.A. Rose, G. Rawls, J. Stubbs, and J. L. Day. | ||||||||||
| Calhoun,
Georgia: Mid and Full-Season Corn Hybrid Performance, 1999, Nonirrigated |
||||||||||
| Yield1 | ||||||||||
| Company or Brand Name |
Hybrid Name |
1999 | 2-Year Average |
Ears/100 Plants |
Ear Grain Weight |
Grain Quality2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
|
| bu/acre | no. | lb | rating | % | no. | % | ||||
| NK | N 8811 | 109.6 | 80.9 | 98 | 0.34 | 1.4 | 12.7 | 17908 | 84 | |
| Pioneer | 31G20 | 105.5 | 69.6 | 106 | 0.28 | 1.1 | 12.6 | 17666 | 85 | |
| Southern States | SS859CL | 103.4 | . | 100 | 0.24 | 1.5 | 12.2 | 18513 | 86 | |
| DeKalb | DK 687 | 103.0 | 81.6 | 103 | 0.27 | 1.5 | 12.7 | 19360 | 83 | |
| Pioneer | 3163 | 101.7 | 71.4 | 102 | 0.25 | 1.4 | 12.5 | 19723 | 80 | |
| Pioneer | 3085* | 96.3 | 74.3 | 100 | 0.29 | 1.4 | 12.6 | 16214 | 68 | |
| Garst | 8220 | 81.4 | . | 97 | 0.19 | 1.8 | 12.4 | 17787 | 81 | |
| Average | 100.14 | 75.6 | 101 | 0.27 | 1.4 | 12.5 | 18167 | 81 | ||
| LSD at 10% Level | 9.8 | N.S.5 | 5 | 0.04 | 0.3 | 0.3 | N.S. | N.S. | ||
| Std. Err. of Entry Mean | 4.0 | 2.5 | 2 | 0.02 | 0.1 | 0.1 | 1564 | 5 | ||
| * 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 = 8.0%, 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: | May 11, 1999. *This test first planted on April 14, but due to stand loss was replanted on May 11. |
|||||||||
| Harvested: | September 22, 1999. | |||||||||
| Seeding Rate: | 23,000 seeds/acre in 30" rows. | |||||||||
| Soil Type: | Rome gravelly clay loam. | |||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.2. | |||||||||
| Fertilization: | 50 lb N, 47 lb P2O5, and 70 lb K2O/acre as preplant; 100 lb N/acre as sidedress. | |||||||||
| Previous Crop: | Soybean. | |||||||||
| Management: | Moldboard plowed and rototilled; Aatrex and Lasso used for weed control. | |||||||||
| Test conducted by P.A. Rose, G. Rawls, J. Stubbs, and J. L. Day. | ||||||||||
| Blairsville,
Georgia: Short-Season Corn Hybrid Performance, 1999, Nonirrigated |
||||||||||
| 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 | 33J56 | 243.2 | . | 106 | 0.52 | 1.0 | 18.6 | 25894 | 94 | |
| Pioneer | 32k61 | 237.4 | 207.8 | 101 | 0.52 | 1.0 | 19.4 | 26741 | 98 | |
| Pioneer | 33G26 | 227.7 | . | 109 | 0.51 | 1.0 | 19.7 | 24321 | 99 | |
| Pioneer | 33K81 | 216.1 | . | 106 | 0.46 | 1.3 | 19.4 | 26136 | 96 | |
| Pioneer | 3245 | 206.6 | 193.3 | 101 | 0.48 | 1.0 | 18.1 | 24805 | 97 | |
| Southern States | SS787 | 196.7 | 202.7 | 103 | 0.43 | 1.0 | 17.9 | 25773 | 80 | |
| Southern States | SS729CL | 193.1 | . | 102 | 0.44 | 1.1 | 17.4 | 24926 | 85 | |
| Southern States | SS747CL | 180.7 | . | 101 | 0.41 | 1.1 | 18.1 | 25531 | 85 | |
| Southern States | SS769BT | 177.1 | . | 106 | 0.39 | 1.3 | 18.6 | 25047 | 71 | |
| DeKalb | DK 650 | 176.2 | . | 107 | 0.39 | 1.3 | 17.6 | 24563 | 91 | |
| Average | 205.54 | 201.2 | 104 | 0.45 | 1.1 | 18.5 | 25374 | 89 | ||
| LSD at 10% Level | 15.7 | N.S.5 | 5 | 0.04 | N.S. | 1.0 | N.S. | 13 | ||
| Std. Err. of Entry Mean | 6.5 | 3.0 | 2 | 0.02 | 0.1 | 0.4 | 711 | 5 | ||
| 1. Yields calculated at 15.5% moisture. | ||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | ||||||||||
| 3. Grain moisture at harvest. | ||||||||||
| 4. CV = 6.3%, and df for EMS = 27. | ||||||||||
| 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: | May 11, 1999. | |||||||||
| Harvested: | October 15, 1999. | |||||||||
| Seeding Rate: | 27,000 seeds/acre in 30" rows. | |||||||||
| Soil Type: | Bradson clay loam. | |||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.3. | |||||||||
| Fertilization: | 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 125 lb N/acre as sidedress. | |||||||||
| Previous Crop: | Soybean. | |||||||||
| Blairsville,
Georgia: Mid and Full-Season Corn Hybrid Performance, 1999, Nonirrigated |
||||||||||
| 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 | 207.6 | 203.7 | 119 | 0.41 | 1.0 | 18.8 | 25289 | 87 | |
| Southern States | SS859CL | 206.3 | . | 107 | 0.47 | 1.1 | 20.6 | 24684 | 95 | |
| NK | N 8811 | 194.0 | 202.2 | 107 | 0.50 | 1.1 | 21.6 | 21659 | 95 | |
| Pioneer | 3085* | 190.9 | 202.6 | 121 | 0.44 | 1.0 | 22.7 | 22143 | 89 | |
| DeKalb | DK 687 | 181.1 | . | 128 | 0.37 | 1.0 | 20.7 | 23353 | 98 | |
| Average | 196.04 | 202.8 | 116 | 0.44 | 1.1 | 20.9 | 23426 | 93 | ||
| LSD at 10% Level | 10.3 | N.S.5 | 13 | 0.05 | N.S. | 1.3 | 1738 | 6 | ||
| Std. Err. of Entry Mean | 4.1 | 3.1 | 5 | 0.02 | 0.1 | 0.5 | 689 | 2 | ||
| * 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 = 4.2%, and df for EMS = 12. | ||||||||||
| 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: | May 11, 1999. | |||||||||
| Harvested: | October 15, 1999. | |||||||||
| Seeding Rate: | 25,500 seeds/acre in 30" rows. | |||||||||
| Soil Type: | Bradson clay loam. | |||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.3. | |||||||||
| Fertilization: | 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 125 lb N/acre as sidedress. | |||||||||
| Previous Crop: | Soybean. | |||||||||
| Management: | Moldboard plowed and disked; Aatrex, Bicep, and one cultivation used for weed control. | |||||||||
| Test conducted by P. A. Rose, J. L. Day, and H. D. Garrett. | ||||||||||