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Table 3.  1996-1999 alfalfa variety yields at the Northeast Purdue Agricultural Center, Columbia City, IN
Seeding date:  April 11, 1996                 

Dry Matter Yield (T/A)

1997 1998

1999

  97-99

 % of Check

Entry total total total total 97-98 97-99
DK127 7.71 * 8.12 * 5.58 * 21.41 * 115 116
631 7.74 * 8.11 * 5.44 * 21.29 * 115 115
WL 324 7.39 * 8.25 * 5.43 * 21.07 * 114 114
GEM 7.49 * 7.99 * 5.32 * 20.80 * 112 113
Imperial 7.13 8.08 * 5.55 * 20.76 * 110 113
Excalibur II 7.51 * 8.03 * 5.16 * 20.70 * 113 112
Amerigraze 401+Z 7.41 * 7.87 * 5.21 * 20.49 * 111 111
ALPHA 2001 7.23 * 7.98 * 5.05 20.26 110 110
5312 7.17 7.75 * 5.24 * 20.16 108 109
Choice 7.15 7.92 * 5.07 * 20.14 109 109
TMF Multi-Plier2 7.21 7.75 * 5.12 * 20.08 109 109
5454 7.22 * 7.77 * 5.05 20.04 109 109
x ZG 9533 7.28 * 7.59 5.17 * 20.04 108 109
Rainier 7.34 * 7.48 5.07 * 19.89 108 108
ZG 9430 7.04 7.56 5.26 * 19.86 106 108
WL 325 HQ 7.40 * 7.35 4.87 19.62 107 106
Vernal 6.84 6.93 4.68 18.45 100 100

Grand mean 7.31 7.80 5.19 20.41
LSD (5%) 0.53 0.54 0.5   1.27  
C.V. (%) 5.75 5.50 7.9   5.0    
No. of harvests 4     4      2    10    

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:  Columbia City, IN
Design:  Randomized block, 4 replications, 17 entries
Soil Type:  Boyer sandy loam
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  April 11, 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