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Table 8. 1999-2001 "Potato Leafhopper No-Spray" alfalfa variety yields at the Southeast-Purdue Agricultural Center, Butlerville, IN
Seeding date:  May 3, 1994     
    Dry Matter Yield (T/A)        
    1999   2000   2001   99-01   % of Check    
  Entry total   total   total   total   99-00 99-01    
  Cimarron SR 0.63   6.14 * 7.95 * 14.72 * 131 122    
  54H69 1.15 * 5.78   7.50 * 14.43 * 134 120    
  DK131HG 1.17 * 5.88 * 7.14   14.19 * 136 118    
  Vernal 0.35   4.82   6.88   12.05   100 100    
  Grand mean 0.77   5.78   7.37   13.85          
  LSD (5%) 0.16   0.48   0.71   1.13          
  C.V. (%) 13.32   5.40   6.15   5.23          
  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    
Soil Type:   Avonburg silt loam  
Design:  Randomized block, 4 replications, 4 entries  
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:  Potato leafhopper not controlled by spraying    
(Copyright 2001 Purdue Research Foundation)    

 

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Copyright 1997 Purdue University Agronomy Extension
Last modified: February 16, 2002