| Total | Total | Total | Total | Total | Relative Yield |
% Stand | |
| Variety | 2004 | 2003 | 2002 | 2001 | 2002-04 | 2002-04 |
9/7/04 |
| Commercial Seed: | ------- Tons Dry Matter/Acre ------- | % mean | |||||
| Starbuck | 6.36 | 6.10 | 5.85 | 4.66 | 18.31 | 109 | 68 |
| 54V54 | 5.63 | 5.61 | 5.82 | 4.52 | 17.07 | 102 | 68 |
| DKA 42-15 | 5.73 | 5.60 | 5.58 | 4.11 | 16.92 | 101 | 69 |
| Macon | 5.50 | 5.74 | 5.67 | 4.73 | 16.91 | 101 | 67 |
| WL 342 | 5.68 | 5.75 | 5.48 | 4.41 | 16.91 | 101 | 68 |
| HybriForce-400 | 5.48 | 5.61 | 5.54 | 4.53 | 16.63 | 99 | 70 |
| Phirst | 5.43 | 5.71 | 5.44 | 4.58 | 16.58 | 99 | 69 |
| Ameristand 403T | 5.44 | 5.59 | 5.41 | 3.88 | 16.44 | 98 | 72 |
| FK 421 | 5.37 | 5.66 | 5.27 | 4.05 | 16.30 | 97 | 70 |
| Radiant | 5.28 | 5.49 | 5.44 | 4.29 | 16.21 | 68 | |
| 6420 | 5.05 | 5.57 | 5.42 | 4.23 | 16.03 | 96 | 71 |
| Vernal | 4.51 | 5.00 | 5.80 | 4.40 | 15.31 | 91 | 61 |
| 54H91 | 4.34 | 5.44 | 5.26 | 4.14 | 15.05 | 90 | 58 |
| Mean | 5.51 | 5.70 | 5.56 | 4.37 | 16.76 | 68 | |
| LSD (0.05) | 0.53 | 0.41 | ns | ns | 1.06 | 4.85 | |
| CV % | 6.80 | 5.00 | 6.40 | 8.20 | 4.40 | 5.05 | |
| 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 2 qt/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). | ||||||
| 2004 Fertilization: | 300 lb/a of 0-0-60 and 100 lb/a of 0-46-0 was applied in April 2004. One ton of lime applied prior to seeding. | ||||||
| 2004 Pest control: | Insecticide was applied on 15-June, 19-July, 17-August for potato leafhopper control. | ||||||