| Table
4. 1997-2000
alfalfa variety yields at the Southeast-Purdue Agricultural Center,
Butlerville, IN |
|
Seeding
date: May 21, 1997 |
|
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|
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|
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 |
|
|
|
5312 |
1.09 |
* |
9.70 |
* |
6.84 |
* |
8.34 |
* |
27.06 |
* |
114 |
115 |
116 |
|
|
|
Complete |
1.01 |
* |
9.64 |
* |
6.47 |
* |
8.74 |
* |
26.88 |
* |
112 |
112 |
115 |
|
|
|
5454 |
1.05 |
* |
9.38 |
* |
6.68 |
* |
8.33 |
* |
26.55 |
* |
110 |
112 |
114 |
|
|
|
ABT-405 |
1.06 |
* |
9.28 |
* |
6.50 |
* |
8.34 |
* |
26.53 |
* |
109 |
110 |
114 |
|
|
|
DK141 |
1.16 |
* |
9.33 |
* |
6.47 |
* |
8.05 |
|
26.18 |
* |
111 |
111 |
112 |
|
|
|
Choice |
1.13 |
* |
9.51 |
* |
6.20 |
* |
8.00 |
|
26.13 |
* |
112 |
110 |
112 |
|
|
|
DK140 |
1.08 |
* |
9.35 |
* |
6.67 |
* |
8.14 |
|
26.05 |
* |
110 |
112 |
112 |
|
|
|
631 |
1.15 |
* |
9.40 |
* |
6.51 |
* |
7.69 |
|
25.65 |
* |
111 |
111 |
110 |
|
|
|
GEM |
1.12 |
* |
9.22 |
* |
6.36 |
* |
7.82 |
|
25.64 |
* |
109 |
109 |
110 |
|
|
|
Spur |
1.14 |
* |
9.19 |
* |
5.93 |
|
7.25 |
|
24.64 |
|
109 |
106 |
106 |
|
|
|
Vernal |
1.12 |
* |
8.35 |
|
5.84 |
|
6.85 |
|
23.28 |
|
100 |
100 |
100 |
|
|
|
Grand mean |
1.10 |
|
9.30 |
|
6.41 |
|
7.96 |
|
25.87 |
|
|
|
|
|
LSD (5%) |
0.17 |
|
0.62 |
|
0.65 |
|
0.44 |
|
1.5 |
|
|
|
|
|
C.V. (%) |
10.8 |
|
4.6 |
|
7.0 |
|
3.9 |
|
4.0 |
|
|
|
|
|
No. of harvests |
2 |
|
4 |
|
4 |
|
5 |
|
15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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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. |
|
|
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:
Butlerville, IN |
|
Design:
Randomized block, 4 replications, 11 entries |
|
Soil Type:
Avonburg silt loam |
|
Plots:
Five rows, 2.5' x 20', (harvested 2.5' x 15') |
|
Seeded:
May 21, 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 |
|
Insects:
Alfalfa weevil and potato leafhopper controlled by spraying |
|
(Copyright
2000 Purdue Research Foundation) |
Forage
Issues 