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Table 1.  1996-1999 alfalfa variety yields at the Agronomy Research Center, West Lafayette, IN    Seeding date: April 10, 1996

         Dry Matter Yield (T/A)

1996 1997 1998 1999 96-99

% of Check

Entry total total total total total 96-97 98-99 96-99
5312 4.12 * 7.09 * 7.53 * 7.95 * 26.69 * 124 141 134
WL 324 4.24 * 6.93 * 7.48 * 7.95 * 26.60 * 124 141 133
Amerigraze 401+Z 3.96 * 6.91 * 7.59 * 7.61 * 26.07 * 120 139 130
x C229 4.17 * 6.85 * 7.64 * 7.38 26.04 * 122 137 130
Excalibur II 3.89 * 6.91 * 7.51 * 7.66 * 25.97 * 119 139 130
x C108 4.14 * 6.34 7.50 * 7.97 * 25.95 * 116 141 130
5454 3.61 6.80 * 7.38 * 7.55 * 25.34 * 115 136 127
WL 325 HQ 4.11 * 6.51 7.00 7.65 * 25.27 * 117 134 126
x 93-133 3.89 * 6.94 * 7.22 * 7.15 25.20 * 120 131 126
DK127 3.68 6.77 * 7.38 * 7.29 25.12 116 134 126
GEM 3.57 6.79 * 7.26 * 7.50 25.12 115 135 126
Synergy 3.95 * 6.59 7.20 7.16 24.90 117 131 125
Choice 3.40 6.82 * 6.94 7.10 24.26 113 128 121
Vernal 3.27 5.77 5.15 5.80 19.99 100 100 100

Grand mean 3.86 6.72 7.20 7.41 25.18
LSD (5%) 0.42 0.41 0.44 0.46 0.90
C.V. (%)

        7.5

      4.3

      4.3 4.3  3.0
No. of harvests

       2

     3

     4

        4

 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:  West Lafayette, IN
Design:  Randomized block, 4 replications, 14 entries
Soil Type:  Xenia silt loam
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  April 10 1996, 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 1999 Purdue Research Foundation)

 

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Send mail to Jerry Schmierer Email: jlschmierer@ucdavis.edu with questions or comments about this web site.
Copyright 1998 Purdue University Agronomy Extension
Last modified: March 09, 2000