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Table 9. 1999-2001 "Potato Leafhopper No-spray" alfalfa variety yields at the Pinney-Purdue Agricultural Center, Wanatah, IN
Seeding date:  May 10, 1999 
    Dry Matter Yield T/A          
    1999   2000   2001   99-01   % of Check  
  Entry total   total   total   total   99-00 99-01  
  54H69 0.95 * 5.52 * 9.22 * 15.69 * 141 137  
  DK131HG 0.80 * 5.23 * 8.30   14.33   132 125  
  Cimarron SR 0.28   5.49 * 8.24   14.01   126 122  
  Vernal 0.14   4.44   6.86   11.23   100 100  
  Grand mean 0.49   5.26   8.16   13.82        
  LSD (5%) 0.23   0.72   0.59   0.73        
  C.V. (%) 31.07   8.83   4.46   3.28        
  No. of harvests 1   3   4   8        
                         
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:  Wanatah, IN
Soil Type:   Sebawa loam
Design:  Randomized block, 4 replications, 4 entries
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  May 10, 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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Last modified: February 16, 2002