| The
Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia |
Research
Report Number 670 January, 2001 |
| Plains, Georgia: Early-Planted Grain Sorghum Hybrid Performance, 2000 Nonirrigated | |||||||||
| Company or Brand Name | Hybrid | Yield1 | 2-Yr Avg Yield | Test Wt. | 50% Bloom2 | Plant Ht. | Lodging | Disease3 | Bird Damage4 |
| bu/acre | bu/acre | lb/bu | days | in | % | rating | % | ||
| DeKalb | DK54 | 91.3 | 111.3 | 52.5 | . | 56 | 1 | 3 | 6 |
| Asgrow | A581 | 86.8 | . | 49.0 | . | 51 | 2 | 3 | 8 |
| Asgrow | Missile | 86.4 | . | 52.0 | . | 47 | 3 | 3 | 13 |
| Pioneer | 83G66 | 85.2 | 107.6 | 52.2 | . | 49 | 1 | 2 | 11 |
| Pioneer | 8282 | 80.4 | 98.2 | 49.8 | . | 47 | 5 | 2 | 20 |
| DeKalb | DKS51-90 | 75.9 | . | 48.4 | . | 44 | 1 | 3 | 10 |
| DeKalb | DK53 | 75.0 | 90.0 | 54.8 | . | 50 | 3 | 3 | 15 |
| Dyna Gro | 760C | 72.0 | . | 46.3 | . | 43 | 1 | 2 | 6 |
| Asgrow | A571 | 69.9 | . | 46.0 | . | 46 | 1 | 2 | 9 |
| Southland | Y303E | 68.5 | 93.5 | 49.8 | . | 43 | 0 | 3 | 10 |
| NK | X654 | 67.8 | . | 44.6 | . | 40 | 0 | 2 | 9 |
| CSC | 0380 | 67.8 | 93.2 | 49.9 | . | 42 | 2 | 3 | 9 |
| Southern States | SS560 | 67.0 | . | 51.9 | . | 36 | 0 | 3 | 11 |
| Southern States | SS800 | 59.9 | 87.9 | 48.1 | . | 40 | 8 | 4 | 13 |
| NK | KS585 | 59.1 | . | 52.5 | . | 34 | 1 | 3 | 11 |
| NK | X633 | 59.0 | 85.1 | 46.8 | . | 43 | 0 | 2 | 10 |
| Dyna Gro | 780B | 55.7 | . | 55.1 | . | 51 | 4 | 3 | 16 |
| CSC | 1472 | 45.1 | . | 49.9 | . | 41 | 8 | 4 | 10 |
| Southern States | SS-650 | 40.7 | . | 51.8 | . | 44 | 13 | 4 | 13 |
| CSC | 1489 | 37.9 | 82.7 | 49.3 | . | 42 | 11 | 3 | 13 |
| Southern States | SS-600 | 37.0 | . | 49.5 | . | 40 | 13 | 3 | 8 |
| CSC | 5972 | 36.1 | . | 52.5 | . | 38 | 8 | 3 | 7 |
| Dyna Gro | 751B | 31.8 | . | 51.1 | . | 45 | 18 | 4 | 11 |
| Average | 63.35 | 94.4 | 50.1 | . | 44 | 4 | 3 | 11 | |
| LSD at 10% Level | 9.0 | 13.7 | 2.4 | - | 3 | 4 | 1 | 5 | |
| Std. Err. of Entry Mean | 3.9 | 5.6 | 1.0 | - | 1 | 2 | 1 | 2 | |
| 1. Yields calculated at 14% moisture. | |||||||||
| 2. Days from planting to 50% bloom. | |||||||||
| 3. Rated 1 = resistant to 5 = susceptible to foliar diseases. | |||||||||
| 4. Percent of grain head damaged. | |||||||||
| 5. CV = 12.4% and df for EMS = 70. | |||||||||
| Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). | |||||||||
| Planted: | April 20, 2000. | ||||||||
| Harvested: | August 29, 2000. | ||||||||
| Seeding Rate: | 110,000 seed/acre in 30" rows. | ||||||||
| Soil Type: | Greenville sandy clay loam. | ||||||||
| Soil Test: | P = Medium, K = High, and pH = 6.0. | ||||||||
| Fertilization: | Preplant: 65 lb N, 90 lb P2O5, and 45 lb K2O/acre. Sidedress: 50 lb N/acre. | ||||||||
| Previous Crop: | Sorghum x sudan pasture. | ||||||||
| Management: | Subsoiled and rototilled; Aatrex and two cultivations used for weed control. | ||||||||
| Test conducted by A. E. Coy and M. D. Pippin. | |||||||||
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