Genetic gains in wood property can be achieved by indirect selection and nondestructive measurements in full-sib families of Japanese cedar (Cryptomeria japonica. D. Don) plus tree clones

Table 4 Genetic gains of indirect selection and efficiency of the genetic gain for each trait (with selection intensity i =1)

x	y	ΔG_x(y)	Efficiency of indirect selection
H	SWV	0.4	0.56
DBH	SWV	0.7	0.50
DMOE	SWV	0.44	1.10
BD_mean	SWV	0.003	0.23
BD1	SWV	0.005	0.30
BD2	SWV	0.004	0.26
BD3	SWV	0.003	0.19
H	PP	0.1	0.13
DBH	PP	0.7	0.55
DMOE	PP	0.04	0.11
BD_mean	PP	0.010	0.78
BD1	PP	0.009	0.60
BD2	PP	0.011	0.72
BD3	PP	0.013	0.97

x represents the direct selection traits and y represents the indirect selection traits for x. ΔG_x(y) is the genetic gain obtained by indirect selection. The abbreviations for traits are listed in Table 2

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