Total | Total | Relative Yield | |||||
Variety | 31-May | 27-Jun | 26-Jul | 4-Sep | 2002 | 2001 | 2002 |
Commercial Seed: | --------------------- Tons Dry Matter/Acre ------------------------ | % mean | |||||
Starbuck | 2.40 | 1.48 | 1.01 | 0.96 | 5.85 | 4.66 | 105 |
54V54 | 2.46 | 1.50 | 0.91 | 0.95 | 5.82 | 4.52 | 105 |
Vernal | 2.37 | 1.51 | 1.08 | 0.84 | 5.80 | 4.40 | 104 |
Macon | 2.49 | 1.41 | 0.93 | 0.83 | 5.67 | 4.73 | 102 |
DKA 42-15 | 2.22 | 1.52 | 0.96 | 0.87 | 5.58 | 4.11 | 100 |
HybriForce-400 | 2.30 | 1.52 | 0.98 | 0.73 | 5.54 | 4.53 | 100 |
WL 342 | 2.26 | 1.45 | 0.89 | 0.88 | 5.48 | 4.41 | 99 |
Radiant | 2.27 | 1.37 | 0.85 | 0.95 | 5.44 | 4.29 | 98 |
Phirst | 2.19 | 1.49 | 0.93 | 0.83 | 5.44 | 4.58 | 98 |
6420 | 2.25 | 1.50 | 0.98 | 0.69 | 5.42 | 4.22 | 98 |
Ameristand 403T | 2.29 | 1.41 | 0.93 | 0.77 | 5.41 | 3.88 | 97 |
FK 421 | 2.24 | 1.40 | 0.83 | 0.80 | 5.27 | 4.05 | 95 |
54H91 | 2.31 | 1.42 | 0.95 | 0.59 | 5.26 | 4.14 | 95 |
Mean | 2.31 | 1.46 | 0.95 | 0.83 | 5.56 | 4.37 | -- |
LSD 0.05 | ns | ns | ns | 0.19 | ns | ns | -- |
CV % | 8.10 | 9.40 | 13.30 | 15.80 | 6.40 | 8.20 | -- |
MCV | 11.47 | 13.31 | 18.90 | 22.48 | 9.15 | 11.67 | -- |
LSR | 71.54 | 119.73 | 72.56 | 50.47 | 87.39 | 59.96 | -- |
no. of harvest | -- | -- | -- | -- | 4.00 | 2.00 | -- |
Note: Stand was 95% for all varieties on 16-April-2002 | |||||||
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 = 6.5, P = 96 lb/a, K = 252 lb/a, CEC =8.4 (10/02). | ||||||
2002 Fertilization: | 300 lb/a of 0-0-60 was fail applied in 2001. One ton of lime applied prior to seeding. | ||||||
2002 Pest control: | Insecticide applied on 26-April for alfalfa weevil control and 12-June, 10-July,and 8-August for potato leafhopper control. |