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Table 1.  1996-2000 alfalfa variety yields at the Feldun-Purdue Agricultural Center, Bedford, IN                    
Seeding date: Reseeded May 20, 1997              
    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
Affinity +Z 1.11 * 5.99 * 5.02 * 7.82 * 20.00 * 102 106 108
Super Cuts 1.17 * 6.06 * 5.02 * 7.64 * 19.89 * 104 108 108
DK127 1.20 * 5.92 * 4.78 * 7.80 * 19.70 * 102 104 107
GEM 1.07 5.68 * 4.81 * 8.11 * 19.66 * 97 101 107
5454 1.09 5.64 * 4.80 * 7.94 * 19.47 * 97 101 105
630 1.08 5.79 * 4.73 * 7.77 * 19.36 * 99 102 105
x WL326GZ 1.13 * 5.66 * 4.70 * 7.84 * 19.33 * 98 101 105
5312 1.00 5.32 4.97 * 8.01 * 19.30 * 91 99 105
Choice 1.12 * 6.01 * 4.58 7.44 19.14 * 102 103 104
Total +Z 1.21 * 5.76 * 4.36 7.72 * 19.05 100 99 103
ABT-405 1.15 * 6.12 * 4.48 7.09 18.83 104 103 102
ZN 9541 1.09 5.61 * 4.43 7.60 * 18.74 96 98 102
Excalibur II 1.14 * 5.35 4.67 * 7.54 * 18.70 93 98 101
Vernal 1.12 * 5.84 * 4.43   7.06   18.46   100 100 100
  Grand mean 1.12   5.77   4.70 7.67 19.26    
LSD (5%) 0.11 0.71 0.42 0.62 1.22
C.V. (%) 7.0 8.5 6.2 5.6 4.4
  No. of harvests 1   3   3   4   11        
Study was destroyed by excessive rainfall in 1996 and replanted in 1997
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:  Bedford, IN
Design:  Randomized block, 4 replications, 14 entries
Soil Type:  Muren silt loam
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  Reseeded May 20, 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)

 

 

 

For more forage information contact Dr. Keith Johnson: johnsonk@purdue.edu

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