purdue.gif (1867 bytes)

PFI_Logo.GIF (4404 bytes)

Home Forage Issues Forage ID Publications Variety Trials Links 

Table 5.  1997-1999 alfalfa variety yields at the Pinney Purdue Agriculture Center, Wanatah, IN  Seeding date: April 25, 1997

Dry Matter Yield (T/A)

1997 1998 1999 97-99

 % of Check

Entry total total total total 97-98 97-99
WL 324 2.41 * 8.57 * 7.72 * 18.70 * 109 109
WL 325 HQ 2.33 * 8.44 * 7.84 * 18.61 * 107 109
5312 2.36 * 8.53 * 7.55 * 18.44 * 108 108
DK140 2.19 8.59 * 7.58 * 18.36 * 107 107
5454 2.12 8.38 * 7.82 * 18.32 * 104 107
Demand 2.45 * 8.43 * 7.41 * 18.29 * 108 107
Choice 2.53 * 8.50 * 7.24 18.27 * 109 107
GH 797 2.30 * 8.17 * 7.73 * 18.20 * 104 106
GEM 2.24 * 8.43 * 7.32 * 17.99 * 106 105
DK141 2.34 * 8.23 * 7.39 * 17.96 * 105 105
x WL 326 GZ 2.13 8.38 * 7.40 * 17.91 * 104 104
DK127 2.12 7.76 7.47 * 17.35 98 101
Spur 1.84 8.30 * 7.19 17.33 100 101
Vernal 2.17 7.93 7.05 17.15 100 100

Grand mean 2.25 8.33 7.48 18.06  
LSD (5%) 0.30 0.60 0.54 1.17  
C.V. (%) 9.2   5.0    5.0    4.8    
No. of harvests 2     4      4      10    

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
Design: Randomized block, 4 replications, 14 entries
Soil Type:  Tracy sand
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  April 25, 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
Irrigation: (15 June 1.5")(8 July 1.5")(19 July 1.5")(23 July 1.5")(5 Aug 1.5")(2 Sept 1.4")(10 Sept 1.5")
1997 total (4.5"); 1998 total (8.5"); 1999 total (10.4")
Insects:  Alfalfa weevil and potato leafhopper controlled by spraying
(Copyright 1999 Purdue Research Foundation)

Home Forage Issues Forage ID Publications Variety Trials Links 

Send mail to Jerry Schmierer Email: jlschmierer@ucdavis.edu with questions or comments about this web site.
Copyright 1998 Purdue University Agronomy Extension
Last modified: March 09, 2000