| Table
1. 1996-2000
alfalfa variety yields at the Feldun-Purdue Agricultural Center,
Bedford, IN |
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Seeding date:
Reseeded May 20, 1997 |
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Dry Matter Yield (T/A) |
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1997 |
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1998 |
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1999 |
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2000 |
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97-00 |
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% of Check |
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Entry |
total |
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total |
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total |
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total |
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total |
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97-98 |
97-99 |
97-00 |
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Affinity +Z |
1.11 |
* |
5.99 |
* |
5.02 |
* |
7.82 |
* |
20.00 |
* |
102 |
106 |
108 |
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Super Cuts |
1.17 |
* |
6.06 |
* |
5.02 |
* |
7.64 |
* |
19.89 |
* |
104 |
108 |
108 |
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DK127 |
1.20 |
* |
5.92 |
* |
4.78 |
* |
7.80 |
* |
19.70 |
* |
102 |
104 |
107 |
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GEM |
1.07 |
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5.68 |
* |
4.81 |
* |
8.11 |
* |
19.66 |
* |
97 |
101 |
107 |
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5454 |
1.09 |
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5.64 |
* |
4.80 |
* |
7.94 |
* |
19.47 |
* |
97 |
101 |
105 |
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630 |
1.08 |
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5.79 |
* |
4.73 |
* |
7.77 |
* |
19.36 |
* |
99 |
102 |
105 |
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x |
WL326GZ |
1.13 |
* |
5.66 |
* |
4.70 |
* |
7.84 |
* |
19.33 |
* |
98 |
101 |
105 |
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5312 |
1.00 |
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5.32 |
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4.97 |
* |
8.01 |
* |
19.30 |
* |
91 |
99 |
105 |
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Choice |
1.12 |
* |
6.01 |
* |
4.58 |
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7.44 |
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19.14 |
* |
102 |
103 |
104 |
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Total +Z |
1.21 |
* |
5.76 |
* |
4.36 |
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7.72 |
* |
19.05 |
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100 |
99 |
103 |
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ABT-405 |
1.15 |
* |
6.12 |
* |
4.48 |
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7.09 |
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18.83 |
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104 |
103 |
102 |
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ZN 9541 |
1.09 |
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5.61 |
* |
4.43 |
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7.60 |
* |
18.74 |
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96 |
98 |
102 |
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Excalibur II |
1.14 |
* |
5.35 |
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4.67 |
* |
7.54 |
* |
18.70 |
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93 |
98 |
101 |
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Vernal |
1.12 |
* |
5.84 |
* |
4.43 |
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7.06 |
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18.46 |
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100 |
100 |
100 |
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Grand mean |
1.12 |
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5.77 |
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4.70 |
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7.67 |
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19.26 |
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LSD (5%) |
0.11 |
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0.71 |
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0.42 |
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0.62 |
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1.22 |
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C.V. (%) |
7.0 |
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8.5 |
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6.2 |
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5.6 |
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4.4 |
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No. of harvests |
1 |
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3 |
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3 |
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4 |
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11 |
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Study was
destroyed by excessive rainfall in 1996 and replanted in 1997 |
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Entries
with names preceded by "x" were tested using experimental
seed that may not give |
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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:
Bedford, IN |
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Design:
Randomized block, 4 replications, 14 entries |
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Soil Type:
Muren silt loam |
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Plots:
Five rows, 2.5' x 20', (harvested 2.5' x 15') |
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Seeded:
Reseeded May 20, 1997, 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:
Alfalfa weevil and potato leafhopper controlled by spraying |
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(Copyright
2000 Purdue Research Foundation) |
Forage
Issues 