Table 6a. 2006 Regional Alfalfa Yield Trial for Potato Leafhopper Resistant Varieties
Conducted at S. Charleston, OH and Ames, IA, Seeded Spring 2006
			PLH
Variety	Marketer	Yield1	Yield Index2
Resistant		Tons/acre	%
53H92	Pioneer	1.19*	50
6426PLH	Garst	1.10*	39
4P424	Mycogen Seeds	1.09*	38
EVERGREEN3	NK Brand Seed	1.02*	29
54H91	Pioneer	1.01*	28
GH773LH	Goldern Harvest Seeds	0.93	17
Susceptible Checks3		0.79
LSD (0.05)		0.17
* Yield is significantly greater than yield of the susceptible check varieties..
1 Average yield at 4 harvests (2 at each location) when potato leafhoppers caused injury to alfalfa.
2 The % yield improvement over the yield of susceptible check varieties.
3 Average yield of three susceptible varieties (5454, DK140, Vernal).
Table 6b. 2005-06 Regional Alfalfa Yield Trial for Potato Leafhopper Resistant Varieties
Conducted at S. Charleston, OH and Ames, IA, Seeded Spring 2005
			PLH Yield
Variety	Marketer	Yield1	Index2
Resistant
54H91	Pioneer	1.08*	36
WL347LH	WL Research	1.07*	35
FSG400LH	Allied Seed	1.05*	32
ENFORCER	Allied Seed	1.01*	27
WL345LH	WL Research	0.95	19
BLUEBIRD HR	Blue River Hybrids	0.91	15
Susceptible Checks3		0.80
LSD (0.05)		0.22
* Yield significantly greater than yield of susceptible checks.
1Average yield at 8 harvests when potato leafhoppers caused injury to alfalfa.
2 The % yield improvement over the yield of susceptible check varieties.
3 Average of three susceptible varieties (5454, DK140, Vernal).