| Potato Leafhopper Resistant Trial | ||||||
| Total | Total | Total | Total | Relative Yield |
% Stand | |
| Variety | 2003 | 2002 | 2001 | 2002-03 | 2003 | 4/3/03 |
| Commercial Seed: | Tons Dry Matter/Acre | % mean | ||||
| 54H91 | 5.24 | 5.74 | 3.74 | 10.98 | 117 | 91 |
| Evergreen | 4.31 | 5.07 | 3.47 | 9.38 | 100 | 87 |
| DKA 37-20 | 4.26 | 4.93 | 2.72 | 9.19 | 98 | 89 |
| 5454 | 3.22 | 3.83 | 2.44 | 7.05 | 75 | 81 |
| 54V54 | 3.07 | 3.59 | 2.60 | 6.66 | 71 | 80 |
| Vernal | 3.02 | 3.22 | 2.47 | 6.24 | 66 | 79 |
| Mean | 4.44 | 4.95 | 3.15 | 9.40 | -- | 86 |
| LSD 0.05 | 0.53 | 0.65 | 0.65 | 0.97 | -- | 7 |
| CV % | 8.30 | 9.00 | 14.30 | 7.20 | -- | 5 |
| 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=6.4, P=96 lbs/s, K=252 lbs/a, CEC=8.4, O.M.=3.0, (10/02). | |||||
| 2003 Fertilization: | No fertilization required. | |||||
| 2003 Pest control: | No insecticide applied. | |||||