| Total | Relative Yield | ||||
| Variety | 30-Jun | 31-Jul | 9-Sep | 2003 | 2003 |
| Commercial Seed: | ---- Tons Dry Matter/Acre ---- |
% mean |
|||
| 54V46 | 1.79 | 1.70 | 1.45 | 4.94 | 108 |
| 6420 | 1.79 | 1.68 | 1.38 | 4.85 | 106 |
| 6400 HT | 1.84 | 1.63 | 1.30 | 4.77 | 104 |
| WL 357 HQ | 1.69 | 1.62 | 1.27 | 4.57 | 100 |
| Hybri Force 420/wet | 1.71 | 1.49 | 1.33 | 4.54 | 99 |
| 54H91 | 1.60 | 1.60 | 1.34 | 4.54 | 99 |
| 54Q25 | 1.70 | 1.53 | 1.25 | 4.48 | 98 |
| 54V54 | 1.54 | 1.54 | 1.27 | 4.34 | 95 |
| Vernal | 1.46 | 1.39 | 1.11 | 3.96 | 87 |
| Mean | 1.69 | 1.58 | 1.31 | 4.57 | -- |
| LSD 0.05 | 0.21 | ns | 0.14 | 0.41 | -- |
| CV % | 8.70 | 7.30 | 7.50 | 6.10 | -- |
| * Note: Stands were all 100% on 9-30-03 | |||||
| Data subjected to Nearest Neighbor AOV, adjusted means reported. | |||||
| Establishment: | Seeded with a Hege 3-point hitch drill with presswheels at 16 lb/a. Eptam was applied PPI at 2qt/a. | ||||
| Plot size: | 4' x 20', 15' alleys and borders. RCBD with four reps. | ||||
| Soil type and analysis: | Crosby silt loam, pH=6.9, P=640 lbs/s, K=400 lbs/a, CEC=8.4, O.M.=3.1, (11/02). | ||||
| 2003 Fertilization: | No fertilization was required. | ||||
| 2003 Pest control: | Insecticide applied 6-June, 18-July, 12-August for potato leafhopper control. Herbicide applied on 7-June for weed control. | ||||