Regional Alfalfa Yield Trial for Varieties Tolerant to Potato Leaf Hopper
Conducted in Iowa and Ohio, trial seeded Spring, 2005.
	Cut 1	Cut 2	Total
	Mean of yield at two locations			PLH Yield Index
PLH Resistant Varieties	--------- tons per acre------------			% Total yield increase above check varieties
54H91	0.99	0.82	1.81	50*
6325	0.54	0.59	1.12	-6
Bluebird HR	0.69	0.75	1.44	20
Enforcer	0.84	0.76	1.6	33*
FG 43H173	1.01	0.93	1.94	61*
FG 43H175	0.86	0.76	1.61	34*
FG 43H178	0.75	0.72	1.47	22
FSG 400LH	0.79	0.8	1.58	31*
WL345LH	0.68	0.7	1.38	15
WL347LH	0.89	0.81	1.7	41*
Checks
5454	0.53	0.64	1.18	-2
DK140	0.71	0.69	1.41	17
Vernal	0.47	0.54	1.01	-16
PLH Variety Mean	0.8	0.76	1.56
Check Variety Mean	0.57	0.63	1.2
LSD(5%)	0.2	0.16	0.34
*  Varieties not significantly different from highest value in column.
Link to Iowa site
Link to Ohio site