The Georgia Agricultural
Experiment Station
College of Agricultural and Environmental Sciences
The University of Georgia
2001 Soybean, Sorghum
Grain and Silage, Grain Millet, and Summer Annual Forages Performance Tests
Research Report Number 676
January 2002
| Table 1. Grain yields of experimental pearl millet hybrids planted in 36-inch rows in 2001. | ||||
| Date | Number Hybrids | pounds/acre | ||
| Average | Range | 5% LSD | ||
| June 5 | 120 | 4710 | 1954 to 8245* | 1908 |
| June 25 | 85 | 3780 | 2155 to 5555** | 1199 |
| - | ||||
| * 65 hybrids yielded over 4500 lbs.; Exp. No. 1 yielded 5083 lb. | ||||
| ** 11 hybrids yielded over 4500 lb.; Exp. No. 1 yielded 3936 lb. | ||||
| Table 2. Grain yield of pearl millet Exp. No. 1 when planted minimum-till at two row widths after rye, ryegrass, and wheat in 2001. | |||
| Planted (June 7) After: |
Row Width* | Yield (lb/acre) | |
| Rye | Single | 3692 | |
| Twin | 4072 | ||
| 5% LSD | 691 | ||
| - | |||
| Ryegrass | Single | 2843 | |
| Twin | 3979 | ||
| 5% LSD | 493 | ||
| - | |||
| Wheat | Single | 3207 | |
| Twin | 3381 | ||
| 5% LSD | 665 | ||
| - | |||
| * Single = single row on 36-inch bed. | |||
| * Twin = two rows 7 inches apart on center of 36-inch bed. | |||
| Table 3. Effects of row spacings on grain yield of pearl millet Exp. No. 1 in 2001. | |||||
| Planting Date |
Row Spacing (inches) | ||||
| 7 | 14 | 21 | 36 | 5% LSD | |
| April 12 | 4356* | 4855 | 5122 | 4064 | 695 |
| May 31 tilled | 4478 | 4274 | 4014 | 4050 | 612 |
| May 31 min.-till | 4723 | 4743 | 4404 | 4290 | 569 |
| June 18 | 4350 | 4452 | 4086 | 3066 | 617 |
| June 28 | 3099 | 3694 | 3802 | 3397 | 778 |
| July 12 | 2248 | 2533 | 2520 | 2728 | 413 |
| July 19 | 2994 | 2930 | 2919 | 2417 | 610 |
| Aug. 2** | 1765 | 1800 | 2132 | 1709 | 319 |
| - | |||||
| * Grain yield in pounds per acre. | |||||
| ** Chinch bugs caused significant damage in the plantings after June 28 but especially in the Aug. 2 planting. | |||||