| Potato Leafhopper Resistant Trial | |||||||
| Total | Total | Total | Total | Relative Yield |
Injurya | % Stand | |
| Variety | 2001 | 2000 | 1999 | 1999-01 | 99-01 | 7/17/01 | 6/21/01 |
| Commercial Seed: | ------- Tons Dry Matter/Acre ------- | % mean | |||||
| 54H69 | 4.27 | 5.16 | 4.03 | 13.45 | 103 | 2.0 | 71 |
| 5454 | 4.46 | 5.14 | 3.95 | 13.44 | 103 | 5.0 | 81 |
| DK131HG | 4.17 | 4.96 | 3.79 | 12.89 | 98 | 2.3 | 73 |
| Cleansweep | 4.20 | 5.10 | 3.50 | 12.88 | 98 | 2.3 | 62 |
| PLH40* | 4.29 | 4.89 | 3.62 | 12.87 | 98 | 2.0 | 57 |
| Mean | 4.28 | 5.05 | 3.78 | 13.11 | -- | 2.7 | 69 |
| LSD 0.05 | 0.24 | ns | ns | ns | -- | 0.6 | 10 |
| CV % | 3.00 | 4.90 | 6.00 | 3.10 | -- | 11.6 | 7 |
| no. of harvests | 3.00 | 4.00 | 4.00 | 11.00 | -- | -- | -- |
| * Variety tested using experimental seed that may not give performance identical to that of commercially available seed. | |||||||
| Data subjected to Nearest Neighbor AOV, adjusted means reported. | |||||||
|
a Potato leafhopper injury rated from 1= least 5 = most severe injury | |||||||
| Establishment: | Seeded with a Hege 3-point hitch drill with presswheels at 16 lb/a. . | ||||||
| Plot size: | 3' x 20', 10' alleys and borders. RCBD with four reps. | ||||||
| Soil type and analysis: | Monogahela silt loam, pH = 6.8, P = 100 lb/a,K = 366 lb/a, CEC = 9 (11/00). | ||||||
| 2001 Fertilization: | No fertilization required in reference to the soil analysis. | ||||||
| 2001 Pest control: | No insecticide applied. | ||||||