Abstract
Genetic correlation was employed to study heritable covariation among sixteen growth and quality traits in a progeny trial of Scots pine (Pinus sylvestris L.). Phenotypic correlations and heritability values for each trait were also presented. The expected correlated response of the quality traits to mass selection for a single growth trait was studied on the basis of these parameters. Generally, tree height was found to be more closely related to stem quality than diameter or volume. The correlations between growth traits and relative branch and crown traits were mainly favourable with regard to breeding. The heritability values were moderate and relatively similar for both quality and growth traits. Genetic and phenotypic correlations appeared to be considerably analogous, especially when the latter were computed on the family‐mean level.
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