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Table 4.  1999-2001 alfalfa variety yields at the Southeast-Purdue Agricultural Center  
Butlerville, IN  
Seeding Date: May 3, 1999  
                       
  Dry Matter Yield (T/A)      
  1999   2000   2001   99-01   % of Check  
Entry total   total   total   total   99-00 99-01  
WL 327 2.18 * 7.41 * 9.09 * 18.68 * 131 123  
Rocket 1.92   7.27 * 9.02 * 18.21 * 126 119  
Winter Gold 2.02 * 6.93   8.94 * 17.89 * 122 117  
DK 141 2.08 * 6.80   8.76 * 17.64 * 121 116  
Abilene+Z 1.87   6.91   8.85 * 17.63 * 120 116  
53Q60 1.74   7.05 * 8.74 * 17.53   120 115  
6420 1.87   6.72   8.94 * 17.53   117 115  
Stellar 1.80   6.78   8.89 * 17.47   117 115  
DK 140 1.68   6.89   8.78 * 17.35   117 114  
Emperor 1.97 * 6.73   8.63 * 17.33   119 114  
Affinity+Z 1.99 * 6.75   8.42   17.16   119 113  
DK 124 1.93   6.80   8.27   17.00   119 112  
Cimarron SR 1.83   6.51   8.57 * 16.91   114 111  
Amerigraze 401+Z 1.92   6.57   8.35   16.84   116 110  
DK 134 1.94   6.67   8.18   16.79   118 110  
Vernal 1.50   5.82   7.92   15.24   100 100  
Grand mean 1.88   6.80   8.67   17.35        
LSD (5%) 0.21   0.48   0.56   1.06        
C.V. (%) 7.78   4.90   4.53   4.31        
No. of harvests 1   5   5   11        
                       
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:  Butlerville, IN
Design:  Randomized block, 4 replications, 16 entries
Soil Type:  Avonburg silt loam
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  May 3, 1999, 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