|
Table 9.
1999-2001 "Potato
Leafhopper
No-spray"
alfalfa variety yields at the Pinney-Purdue
Agricultural Center, Wanatah, IN |
|
Seeding date: May 10, 1999 |
| |
|
Dry Matter Yield T/A |
|
|
|
|
|
| |
|
1999 |
|
2000 |
|
2001 |
|
99-01 |
|
% of Check |
|
| |
Entry |
total |
|
total |
|
total |
|
total |
|
99-00 |
99-01 |
|
| |
54H69 |
0.95 |
* |
5.52 |
* |
9.22 |
* |
15.69 |
* |
141 |
137 |
|
| |
DK131HG |
0.80 |
* |
5.23 |
* |
8.30 |
|
14.33 |
|
132 |
125 |
|
| |
Cimarron SR |
0.28 |
|
5.49 |
* |
8.24 |
|
14.01 |
|
126 |
122 |
|
| |
Vernal |
0.14 |
|
4.44 |
|
6.86 |
|
11.23 |
|
100 |
100 |
|
| |
Grand mean |
0.49 |
|
5.26 |
|
8.16 |
|
13.82 |
|
|
|
|
| |
LSD (5%) |
0.23 |
|
0.72 |
|
0.59 |
|
0.73 |
|
|
|
|
| |
C.V. (%) |
31.07 |
|
8.83 |
|
4.46 |
|
3.28 |
|
|
|
|
| |
No. of harvests |
1 |
|
3 |
|
4 |
|
8 |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
Soil Type: Sebawa loam |
|
Design: Randomized block, 4 replications, 4 entries |
|
Plots: Five rows, 2.5' x 20', (harvested 2.5' x 15') |
|
Seeded: May 10, 1999, 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. |
|
Insects: Potato leafhopper not
controlled by spraying |
|
(Copyright 2001 Purdue Research Foundation) |
