Genetic Variance of Height Growth and Cone Production in Progeny of Black Spruce (Picea mariana (Mill.) B.S.P.) in Maine
Problem Addressed: Black Spruce variance
Goal(s)/Objective(s): Identify the families and individuals having the best height growth at age 13 and estimate the heritability of the trait, to determine whether the genotype-environment interaction is significant, to determine if there are significant differences in height between progeny of fast-growing parent trees and progeny of slower-growing parent trees, or among different stands, to determine whether selection is effective at early ages, to determine if family differences affect cone production and to estimate heritability for this trait, and to determine if family differences affect seed viability.
Key Findings: These 13-year-old black spruce progeny tests provide valuable information useful in determining proper strategies for growth improvement for the next generation of this species.
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