2006•Unpublished venueRequires access

Heritability and Genetic Gains for Height Growth in 20-year-Old Korean White Pine in Korea

Man-Yong Shin, Hyung Soon Park, Yoon-Jin Cho, Dong-Jun Chung

Abstract

The objectives of this studywere to examine the genetic variation of 20-year-old tree height and to estimate heritabilities and genetic gains ofKoreanwhite pine. Analysis of variance showed that families and family × block interaction had the significant (p=0.01) effects on tree height. However, family variation appears to be much greater than the variation due to family × block interaction. Individual tree heritability was higher (h² I = 0.73 ) than family heritability, (h² F = 0.83 ) therefore, combined selection showed the largest genetic gain (17.76%) in a given equal intensity of selection.

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Key concepts: Heritability, Genetic gain, Variance components, Genetic variation, Selection (genetic algorithm), Biology, Tree (set theory), Demography