Fig. 4From: Genetic improvement of wood density and radial growth in Larix kaempferi: results from a diallel mating testAge–age genetic correlations of overall wood density (AWD) and basal area (BA) compared with values at age 28 (a), genetic gains (%) at a selection intensity of 1.0 (top 38.1 % individuals), and the selection efficiencies of early selection (b)Back to article page