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Table 8.
1999-2001 "Potato Leafhopper No-Spray" alfalfa variety
yields at the
Southeast-Purdue Agricultural Center,
Butlerville, IN |
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Seeding date: May 3, 1994 |
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| |
|
Dry Matter Yield (T/A) |
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| |
|
1999 |
|
2000 |
|
2001 |
|
99-01 |
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% of Check |
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| |
Entry |
total |
|
total |
|
total |
|
total |
|
99-00 |
99-01 |
|
|
| |
Cimarron SR |
0.63 |
|
6.14 |
* |
7.95 |
* |
14.72 |
* |
131 |
122 |
|
|
| |
54H69 |
1.15 |
* |
5.78 |
|
7.50 |
* |
14.43 |
* |
134 |
120 |
|
|
| |
DK131HG |
1.17 |
* |
5.88 |
* |
7.14 |
|
14.19 |
* |
136 |
118 |
|
|
| |
Vernal |
0.35 |
|
4.82 |
|
6.88 |
|
12.05 |
|
100 |
100 |
|
|
| |
Grand mean |
0.77 |
|
5.78 |
|
7.37 |
|
13.85 |
|
|
|
|
|
| |
LSD (5%) |
0.16 |
|
0.48 |
|
0.71 |
|
1.13 |
|
|
|
|
|
| |
C.V. (%) |
13.32 |
|
5.40 |
|
6.15 |
|
5.23 |
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|
|
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No. of harvests |
1 |
|
5 |
|
5 |
|
11 |
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| |
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Entries with names preceded by "x" were tested using experimental seed
that may not give performance identical to commercially available
seed. |
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Yields followed by an asterisk (*) are not significantly different
from the highest yield in the column. |
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Yield of "Vernal" used to calculate % of check |
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Location: Butlerville, IN |
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Soil Type: Avonburg silt loam |
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Design: Randomized block, 4 replications, 4 entries |
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Plots: Five rows, 2.5' x 20', (harvested 2.5' x 15') |
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Seeded: May 3, 1999, with 15 lb. live seed / acre; 1.3 lb. a.i.
Balan / acre, incorporated |
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Fertilizer: 60 lb. P2O5
and 250 lb. K2O
/ acre applied after first and final harvest |
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Insects: Potato leafhopper not
controlled by spraying |
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(Copyright 2001 Purdue Research Foundation) |
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