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The Variation of Germination, Growth and Leaf Form of Open-Pollinated Progenies of Cornus kousa Buerger ex Miquel in Korea  

Song, Jeong-Ho (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Goo, Young-Bon (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Han, Sim-Hee (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Yang, Byeung-Hoon (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Park, Hyung-Soon (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.95, no.3, 2006 , pp. 261-267 More about this Journal
Abstract
A nursery trial comprising 109 progenies of 5 populations of Cornus kousa was analysed using multivariate analysis of 12 quantitative traits (growth and leaf form). The aim of this study was to examine geographic variation of the species based on the single, existing nursery trial to support a genetic resource conservation plan of Cornus kousa in Korea. Nested Anova showed that there were statistically significant differences among populations as well as among families within populations in all 12 quantitative traits. In 10 of 12 traits, variance components among families within populations were higher than those among populations. Cluster analysis using complete linkage method showed three groups to Euclidean distance 0.8. Among principal components, primary 2 principal components appeared to be major variables because of the loading contribution of 91.9%. The first contribution component was maximum width, vein number, blade length/petiole length and upper 1/3 width lower 1/3 width; the second one was height, diameter at root collar, blade length, upper 1/3 width, petiole length and petiole length/vein number, respectively. But all characters showed no significant difference with the pattern of geographic distribution.
Keywords
Cornus kousa; quantitative traits; multivariate analysis;
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