| Total | Total | Relative Yield | |
| Variety | 2004 | 2003 | 2004 |
| Commercial Seed: | ---- Tons Dry Matter/Acre ---- |
% mean |
|
| WL 357 HQ | 7.32 | 4.57 | 107 |
| 6420 | 7.13 | 4.85 | 104 |
| 54Q25 | 7.04 | 4.48 | 102 |
| 54V46 | 7.02 | 4.94 | 102 |
| Predator | 6.93 | 4.75 | 101 |
| Hybri Force 420/wet | 6.92 | 4.54 | 101 |
| 6400 HT | 6.91 | 4.77 | 101 |
| 54V54 | 6.86 | 4.34 | 100 |
| 54H91 | 6.56 | 4.54 | 95 |
| Vernal | 6.01 | 3.96 | 87 |
| Mean | 6.87 | 4.57 | |
| LSD (0.05) | 0.30 | 0.41 | |
| CV % | 3.00 | 6.10 | |
| * Note: Stands were all 95% on 9-8-04 | |||
| 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=6.2, P=48 lbs/a, K=536 lbs/a, CEC=8.4, O.M.=4.3, (10/03). | ||
| 2004 Fertilization: | No fertilization was required. | ||
| 2004 Pest control: | Insecticide was applied on 15-June, 19-July, 17-August for potato leafhopper control. | ||