|
Early Maturing Orchardgrass
|
||||||||
|
Ohio, Columbus, Sown 4-2-97
|
||||||||
| Variety |
1999
|
1998
|
1997
|
97-99
|
RelativeYield
97-99 |
Maturity
|
||
|
11-May
|
29-Jul
|
Total
|
Total
|
Total
|
Total
|
|||
|
Tons Dry Matter/Acre
|
% mean
|
|||||||
| Benchmark |
1.71
|
0.40
|
2.11
|
5.10
|
1.49
|
8.81
|
108
|
4.0
|
| Potomac |
1.57
|
0.25
|
1.82
|
5.08
|
1.60
|
8.64
|
105
|
4.1
|
| Mammoth* |
1.83
|
0.36
|
2.19
|
4.86
|
1.40
|
8.44
|
103
|
4.1
|
| Profile |
1.55
|
0.23
|
1.78
|
4.90
|
1.52
|
8.16
|
100
|
3.9
|
| WVPB-89-40* |
1.38
|
0.52
|
1.90
|
4.75
|
1.44
|
8.12
|
99
|
2.5
|
| GA - 061* |
1.80
|
0.23
|
2.04
|
4.42
|
1.39
|
7.90
|
96
|
4.5
|
| AV-61* |
1.32
|
0.43
|
1.75
|
4.72
|
1.35
|
7.73
|
94
|
3.1
|
| Udder* |
1.32
|
0.38
|
1.70
|
4.65
|
1.55
|
7.70
|
94
|
2.9
|
| Mean |
1.56
|
0.35
|
1.91
|
4.81
|
1.47
|
8.19
|
--
|
3.6
|
| LSD 0.05 |
0.19
|
0.08
|
0.26
|
0.53 ns
|
0.24 ns
|
0.72 ns
|
--
|
0.4
|
| CV % |
8.43
|
15.35
|
9.38
|
7.55
|
10.88
|
6.00
|
--
|
6.8
|
| no. of harvests |
2
|
3
|
2
|
7
|
||||
|
Late Maturing Orchardgrass
|
||||||||
|
Ohio, Columbus, Sown 4-2-97
|
||||||||
| VARIETY |
1999
|
1998
|
1997
|
97-99
|
Relative Yield
97-99 |
Maturity
|
||
|
17-May
|
29-Jul
|
Total
|
Total
|
Total
|
Total
|
|||
|
Tons Dry Matter/Acre
|
% mean
|
|||||||
| Stampede |
1.78
|
0.29
|
2.08
|
4.98
|
1.93
|
9.04
|
109
|
3.5
|
| OFI-93M* |
1.76
|
0.40
|
2.16
|
5.03
|
1.76
|
8.91
|
107
|
3.0
|
| Haymate |
1.55
|
0.30
|
1.85
|
4.87
|
1.86
|
8.58
|
103
|
2.4
|
| Libra |
1.49
|
0.25
|
1.74
|
4.83
|
1.87
|
8.45
|
102
|
2.6
|
| Bengal* |
1.65
|
0.28
|
1.93
|
4.46
|
1.99
|
8.41
|
101
|
3.4
|
| Warrior |
1.75
|
0.38
|
2.13
|
4.48
|
1.90
|
8.40
|
101
|
3.3
|
| Pennlate |
1.48
|
0.33
|
1.82
|
4.53
|
1.87
|
8.23
|
99
|
3.0
|
| Takena |
1.50
|
0.28
|
1.78
|
4.54
|
1.78
|
8.13
|
98
|
2.6
|
| Progress |
1.53
|
0.32
|
1.85
|
4.42
|
1.79
|
8.10
|
97
|
3.1
|
| Tekapo Grazing |
1.41
|
0.25
|
1.66
|
4.58
|
1.78
|
8.06
|
97
|
3.4
|
| OFI-93L* |
1.35
|
0.29
|
1.65
|
4.33
|
1.70
|
7.72
|
93
|
2.1
|
| Condor |
1.60
|
0.26
|
1.86
|
4.26
|
1.65
|
7.67
|
92
|
3.0
|
| Mean |
1.57
|
0.30
|
1.88
|
4.61
|
1.82
|
8.31
|
--
|
2.9
|
| LSD 0.05 |
0.16
|
0.08 ns
|
0.19
|
0.67 ns
|
0.19 ns
|
0.78
|
--
|
0.34
|
| CV % |
6.98
|
19.36
|
7.07
|
10.14
|
7.38
|
6.52
|
--
|
8.10
|
| no. of harvests |
2
|
3
|
2
|
7
|
||||
| *Variety tested using experimental seed lots. | ||||||||
| Maturity rated on 5/11/1999 -- 1 = vegetative, 2 = early boot, 3 = initial emergence of inflorescense, | ||||||||
| 4 = complete emergence of inflorescense from boot. | ||||||||
| Drill seeded with presswheels at 10 lb/a. | ||||||||
| Crosby clay loam, pH = 6.6, P = 179, K = 223, CEC = 8.3, O.M. = 2.7 (10/98). | ||||||||
| Ammonia nitrate (34-0-0) was applied on 26 April at 150 lb/a, and 2 June at 150 lb/a. | ||||||||
| K2O was applied at 200 lb/a on 26 April and 2 June 1999. | ||||||||