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Table 1. 1998-2001 alfalfa variety yields at the Feldun-Purdue Agricultural Center
Bedford , IN  
Seeding date: May 19, 1998  
        Dry Matter Yield T/A    
    1998   1999   2000   2001   98-01   % of Check
  Entry total   total   total   total   total   98-99 98-01
  Amerigraze 401+Z 0.95 * 4.81 * 8.15 * 6.83 * 20.74 * 125 124
  DK140 0.87 * 4.73 * 7.98 * 7.07 * 20.65 * 122 124
  53Q60 0.91 * 4.63 * 8.03 * 7.09 * 20.66 * 121 124
  Depend+EV 0.92 * 4.72 * 7.97 * 6.71 * 20.32 * 123 122
  ABT 400 SCL 0.99 * 4.53 * 8.09 * 6.82 * 20.43 * 120 122
  Winterking 0.85 * 4.76 * 7.91 * 6.67 * 20.19 * 122 121
  Synergy 0.90 * 4.70 * 7.64 * 6.92 * 20.16 * 122 121
X A 9503     0.81   4.57 * 8.03 * 6.61 * 20.02 * 117 120
  Alfastar 0.82   4.44 * 7.99 * 6.78 * 20.03 * 115 120
  Stellar 0.82   4.47 * 7.81 * 6.79 * 19.89 * 115 119
  DK141 0.88 * 4.73 * 7.67 * 6.52 * 19.80 * 122 118
X ZC 9650    0.85 * 4.66 * 7.46 * 6.68 * 19.65 * 120 118
  Feast+EV 0.91 * 4.56 * 7.64 * 6.65 * 19.76 * 119 118
  Vernal 0.70   3.89   6.42   5.71   16.71   100 100
  Grand mean 0.87   4.59   7.77   6.69   17.75      
  LSD (5%) 0.17   0.40   0.73   0.64   1.34      
  C.V. (%) 13.16   6.10   6.50   6.64   5.23      
  No. of harvests 1   3   4   4   12      
                           
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:  May 19, 1998, 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 2001 Purdue Research Foundation)      
 

 

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Last modified: February 16, 2002