1998 Irrigated Alfalfa Variety Yield Trial, University of Wyoming Research and Extension Center, Torrington, WY.

Yield in Tons/Acre Dry Matter*

Brand/Variety Origin or Marketer 5-28-99 7-17-99 8-19-99 10-11-99 1999
Total
% of
Ranger
Paramount WL Research 2.07 2.14 1.45 1.12 6.78 110
Pinnacle Arkansas Valley Seeds 2.15 2.02 1.36 1.22 6.75 109
Rebound Cenex Land O'Lakes 2.20 2.19 1.35 1.00 6.74 109
Cimarron 3i Great Plains Research 2.02 2.05 1.45 1.21 6.73 109
Mountaineer Cenex Land O'Lakes 2.22 2.09 1.35 1.00 6.66 108
Plumas Union Seed 2.03 1.97 1.45 1.20 6.64 108
Geneva Novartis 2.32 1.94 1.22 1.08 6.56 106
Wrangler Public 2.16 1.95 1.33 1.00 6.43 104
DK142 DeKalb 2.04 1.85 1.38 1.07 6.34 103
Innovator +Z Americas Alfalfa 1.85 2.17 1.24 1.07 6.33 103
Amerigraze 401+Z Americas Alfalfa 2.00 1.95 1.25 1.11 6.32 102
DK134 DeKalb 2.22 1.73 1.34 .93 6.22 101
Ranger Public 2.03 1.91 1.28 .95 6.17 100
Feast AgriPro Seeds Inc. 2.04 1.92 1.28 .92 6.17 100
Vernal Public 1.90 2.09 1.21 .84 6.04 98
Yielder AgriPro Seeds Inc. 2.07 1.69 1.30 .77 5.82 94
Average   2.08 1.98 1.33 1.03 6.42  
LDS (0.05)   NS 0.27 NS 0.16 0.59  
CV (%)   11.2 9.5 9.9 10.9 6.5  
*Dried for 48 hr at 60 degrees C. To convert dry tons per acre to hay at 12% moisture, multiply by 1.136.

ESTABLISHMENT PROCEDURE: Seeded on 5-8-98 @ 24 lbs pure live seed per acre after 250 lbs/A of 11-52-0 were soil incorporated. Borders were seeded to Big Horn. Trail was both sprinkler and border flood-irrigated.

ELEVATION: 4104 ft above sea level; 148 days above 28 degrees F.

SOIL TYPE: Clay Loam.

EXP. DESIGN: Randomized Complete Block, Four Replications. Yields differing from each other by more than the LSD are different odds of at least 19 to 1. An LSD designation of N.S. indicates a difference that is "non-significant".

COOPERATORS: Jack Cecil, Troy Cecil, Mike Lindquist and Alan Gray (307) 754-2223.

(TOR9899.wpd)