|
Ohio, South Charleston, Sown 5-20-96
|
|||||||
| Variety |
1999
Total |
1998
Total |
1997
Total |
1996
Total |
1997-1999
Total |
Relative
Yield 1997-1999 |
% Stand
|
| Commercial Seed: |
Tons Dry Matter/Acre
|
% mean
|
4/14/99 | ||||
| WL 324 |
5.41
|
7.48
|
7.50
|
2.62
|
20.36
|
107
|
94
|
| Affinity + Z |
5.12
|
7.30
|
7.47
|
2.51
|
20.19
|
107
|
92
|
| 5454 |
5.66
|
7.51
|
6.68
|
2.42
|
20.07
|
106
|
97
|
| DK127 |
4.89
|
7.36
|
7.23
|
2.57
|
19.74
|
104
|
91
|
| Green Field |
4.90
|
7.33
|
7.14
|
2.73
|
19.40
|
102
|
94
|
| Gem |
5.16
|
7.29
|
7.05
|
2.59
|
19.35
|
102
|
95
|
| Amerigraze 401+Z |
5.05
|
7.26
|
6.76
|
2.77
|
19.30
|
102
|
95
|
| DK133 |
5.10
|
7.15
|
6.90
|
2.63
|
19.30
|
102
|
89
|
| WL 325 HQ |
5.14
|
7.45
|
6.39
|
2.69
|
18.87
|
100
|
96
|
| HayGrazer |
4.71
|
6.97
|
6.77
|
2.46
|
18.62
|
98
|
93
|
| Choice |
4.62
|
7.24
|
6.66
|
2.46
|
18.61
|
98
|
90
|
| TMF Multiplier II |
4.92
|
6.95
|
6.73
|
2.53
|
18.56
|
98
|
93
|
| 631 |
4.98
|
6.67
|
6.82
|
2.63
|
18.24
|
96
|
92
|
| 645 |
4.80
|
6.69
|
6.63
|
2.40
|
18.13
|
96
|
92
|
| Synergy |
4.52
|
7.04
|
6.61
|
2.52
|
17.77
|
94
|
91
|
| VERNAL |
3.65
|
5.04
|
6.08
|
2.33
|
14.88
|
78
|
80
|
| Experimental Seed: | |||||||
| Stellar* |
5.62
|
7.81
|
6.43
|
2.53
|
19.93
|
105
|
100
|
| WL 326 GZ* |
5.26
|
7.41
|
7.11
|
2.43
|
19.63
|
104
|
97
|
| WL 332 SR* |
4.80
|
7.10
|
6.79
|
2.43
|
18.45
|
97
|
92
|
| Mean |
4.97
|
7.13
|
6.85
|
2.54
|
18.95
|
--
|
93
|
| LSD 0.05 |
0.42
|
0.48
|
0.69
|
ns
|
1.03
|
--
|
5
|
| CV % |
5.92
|
4.74
|
7.13
|
7.71
|
3.84
|
--
|
3.47
|
| no. of harvests |
4
|
4
|
4
|
2
|
14
|
||
| * Variety tested using experimental seed that may not give performance identical to that of commercially available seed. | |||||||
| Drill seeded with pressheels at 16 lb/a. | |||||||
| Crosby silt loam, pH = 7.0, P = 200 lb/a,K = 297 lb/a, CEC = 10, O.M.= 2.7 (10/98). | |||||||
| 85 lb/a of K2O applied in the spring of 1999. | |||||||
| Insecticide was applied on 9 June, 14 July, 19 August to control potato leafhoppers. | |||||||