Among-and-within-Family Selection in Eight Forage Grass Populations
M. D. Casler*
USDA-ARS, U.S. Dairy Forage Research Center, Madison, WI 53706-1108. Research supported by the College of Agricultural and Life Sciences, Univ. of Wisconsin, Madison, WI 53706-1197
Figure 1. Relationship of observed gains for half-sib family (HSF) selection (left) and among-and-within-family (AWF) selection (right) vs. expected gains for HSF selection within eight populations of perennial grasses, the latter data derived from Casler (1998).