| The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia |
Research Report
Number 691 December 2003 |
||||||||
| Table of Contents | |||||||||
| Tifton, Georgia: Late-Planted Grain Sorghum Hybrid Performance, 2003, Nonirrigated |
|||||||||
| Company
or Brand Name |
Hybrid | Yield1 | 2-Year Average Yield |
Test Wt. |
50% Bloom2 |
Plant Ht. |
Lodging | Disease3 | Bird Damage4 |
| bu/acre | bu/acre | lb/bu | days | in | % | rating | % | ||
| NK | NK7633 | 77.1 | . | 59.5 | 62 | 54 | 0 | 3 | 0 |
| NK | NK8416 | 75.1 | . | 67.6 | 63 | 67 | 21 | 2 | 0 |
| NK | NK8828 | 64.8 | . | 65.2 | 69 | 50 | 0 | 2 | 0 |
| DeKalb | DKS54-00 | 64.0 | . | 62.2 | 70 | 54 | 0 | 2 | 0 |
| DeKalb | DKS53-11 | 61.8 | . | 63.6 | 69 | 58 | 0 | 3 | 0 |
| DynaGro | X17F90 | 57.4 | . | 64.7 | 65 | 59 | 13 | 2 | 0 |
| FL | 03FSR3 | 55.4 | . | 60.9 | 68 | 66 | 1 | 2 | 0 |
| Southland | RS280E | 50.6 | . | 62.3 | 63 | 54 | 21 | 4 | 0 |
| Monsanto | X234 | 49.7 | . | 59.7 | 64 | 54 | 28 | 4 | 0 |
| NK | K73-J6 | 46.5 | . | 53.5 | 69 | 49 | 3 | 3 | 0 |
| Asgrow | A571 | 44.8 | . | 55.2 | 62 | 55 | 67 | 5 | 0 |
| FL | 03FSR1 | 42.8 | . | 62.7 | 69 | 56 | 14 | 3 | 0 |
| Monsanto | X204 | 40.2 | . | 55.4 | 64 | 55 | 39 | 4 | 0 |
| CSC | 1481 | 39.5 | . | 55.6 | 63 | 55 | 73 | 4 | 0 |
| Pioneer | 83G66 | 37.0 | . | 54.4 | 63 | 56 | 83 | 5 | 0 |
| DynaGro | X1754 | 34.9 | . | 52.1 | 62 | 53 | 78 | 5 | 0 |
| Pennington | Penngrain Dr | 33.4 | . | 50.2 | 62 | 52 | 55 | 5 | 0 |
| Crosbyton | X1464 | 32.9 | . | 50.9 | 62 | 53 | 64 | 5 | 0 |
| SS | SS800 | 31.9 | . | 49.8 | 62 | 52 | 50 | 4 | 0 |
| DynaGro | X1753 | 30.6 | . | 49.5 | 63 | 50 | 33 | 5 | 0 |
| DynaGro | X1763 | 29.9 | . | 50.5 | 64 | 60 | 65 | 5 | 0 |
| SS | SS-650 | 23.0 | . | 43.7 | 63 | 53 | 74 | 5 | 0 |
| Crosbyton | X3064 | 20.3 | . | 39.6 | 63 | 55 | 85 | 5 | 0 |
| FL | 03FSR2 | 12.5 | . | 41.4 | 78 | 57 | 0 | 1 | 0 |
| Average | 44.0 5 | . | 55.4 | 65 | 55 | 36 | 4 | 0 | |
| LSD at 10% Level | 9.2 | 6.0 | 3 | 5 | 24 | 1 | - | ||
| Std. Err. of Entry Mean | 3.9 | 2.5 | 1 | 2 | 10 | 1 | - | ||
| 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 = 17.7% and df for EMS = 69. | |||||||||
| Bolding indicates entries yielding equal
to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10). |
|||||||||
| Planted: | July 15, 2003. | ||||||||
| Harvested: | November 11, 2003. | ||||||||
| Seeding Rate: | 140,000 seed/acre in 30" rows. | ||||||||
| Soil Type: | Tifton loamy sand. | ||||||||
| Soil Test: | P = Medium, K = Medium, and pH = 6.2. | ||||||||
| Fertilization: | Preplant: 60 lb N, 60 lb P2O5, and 60 lb K2O/acre. Sidedress: 60 lb N/acre. | ||||||||
| Previous Crop: | Millet. | ||||||||
| Management: | Paraplowed and rototilled; Atrazine used for weed control; Karate used for insect control. | ||||||||
| Test conducted by A. E. Coy, M. D. Pippin, R. Burton, R. Brooke, and T. Harsey. | |||||||||