| Table
3. 1997-2000
alfalfa variety yields at the Pinney-Purdue Agricultural Center,
Wanatah, IN |
| Seeding
date: April 25, 1997 |
|
|
|
|
|
|
|
| |
|
Dry Matter Yield (T/A) |
|
|
|
|
1997 |
|
1998 |
|
1999 |
|
2000 |
|
97-00 |
|
%
of Check |
|
|
| |
Entry |
total |
|
total |
|
total |
|
total |
|
total |
|
97-98 |
97-99 |
97-00 |
|
|
|
|
DK140 |
2.19 |
|
8.59 |
* |
7.58 |
* |
7.32 |
* |
25.68 |
* |
107 |
107 |
108 |
|
|
|
5312 |
2.36 |
* |
8.53 |
* |
7.55 |
* |
7.22 |
* |
25.66 |
* |
108 |
108 |
108 |
|
|
|
WL 324 |
2.41 |
* |
8.57 |
* |
7.72 |
* |
6.94 |
* |
25.64 |
* |
109 |
109 |
108 |
|
|
|
5454 |
2.12 |
|
8.38 |
* |
7.82 |
* |
7.26 |
* |
25.57 |
* |
104 |
107 |
107 |
|
|
|
WL 325 HQ |
2.33 |
* |
8.44 |
* |
7.84 |
* |
6.83 |
* |
25.44 |
* |
107 |
109 |
107 |
|
|
|
Demand |
2.45 |
* |
8.43 |
* |
7.41 |
* |
7.05 |
* |
25.34 |
* |
108 |
107 |
106 |
|
|
|
DK141 |
2.34 |
* |
8.23 |
* |
7.39 |
* |
7.05 |
* |
25.02 |
* |
105 |
105 |
105 |
|
|
|
Choice |
2.53 |
* |
8.50 |
* |
7.24 |
|
6.73 |
|
24.99 |
* |
109 |
107 |
105 |
|
|
|
GH 797 |
2.30 |
* |
8.17 |
* |
7.73 |
* |
6.80 |
* |
24.99 |
* |
104 |
106 |
105 |
|
|
|
GEM |
2.24 |
* |
8.43 |
* |
7.32 |
* |
6.84 |
* |
24.83 |
* |
106 |
105 |
104 |
|
|
| x |
WL 326 GZ |
2.13 |
|
8.38 |
* |
7.40 |
* |
6.77 |
* |
24.69 |
* |
104 |
104 |
104 |
|
|
|
Spur |
1.84 |
|
8.30 |
* |
7.19 |
|
6.59 |
|
23.91 |
|
100 |
101 |
100 |
|
|
|
DK127 |
2.12 |
|
7.76 |
|
7.47 |
* |
6.55 |
|
23.88 |
|
98 |
101 |
100 |
|
|
|
Vernal |
2.17 |
|
7.93 |
|
7.05 |
|
6.69 |
|
23.83 |
|
100 |
100 |
100 |
|
|
| |
Grand mean |
2.25 |
|
8.33 |
|
7.48 |
|
6.90 |
|
24.96 |
|
|
|
|
|
|
|
LSD (5%) |
0.30 |
|
0.60 |
|
0.54 |
|
0.58 |
|
1.47 |
|
|
|
|
|
|
C.V. (%) |
9.2 |
|
5.0 |
|
5.0 |
|
5.8 |
|
4.1 |
|
|
|
|
|
| |
No. of harvests |
2 |
|
4 |
|
4 |
|
3 |
|
13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Entries
with names preceded by "x" were tested using experimental
seed that may not give |
|
performance identical to commercially available seed. |
| Yields
followed by an asterisk (*) are not significantly different from the
highest yield in the column. |
| Yield
of "Vernal" used to calculate % of check |
| Location:
Wanatah, IN |
| Design:
Randomized block, 4 replications, 14 entries |
| Soil
Type: Tracy sand |
| Plots:
Five rows, 2.5' x 20', (harvested 2.5' x 15') |
| Seeded:
April 25, 1997, with 15 lb. live seed / acre;
1.3 lb. a.i. Balan / acre, incorporated |
| Fertilizer:
60 lb. P2O5
and 250 lb. K2O
/ acre applied after first and final harvest |
| Irrigation:
4-28-00 (1.5")
6-24-00 (1.5")
8-14-00 (1.5")
8-28-00 (1.5") |
|
1997 total (4.5")
1998 total (8.5")
1999 total (10.4")
2000 total (6") |
| Insects:
Alfalfa weevil and potato leafhopper controlled by spraying |
| (Copyright
2000 Purdue Research Foundation) |
Forage
Issues 