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The Variation of Needle Characteristics of Picea jezoensis(Siebold & Zucc.) Carriere Populations in Korea  

Song, Jeong-Ho (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Hur, Seong-Doo (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Kang, Kyu-Suk (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Yang, Byeung-Hoon (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Lee, Jung-Joo (Division of Forest Genetic Resources, Korea Forestry Research Institute)
Publication Information
Korean Journal of Plant Resources / v.22, no.1, 2009 , pp. 31-36 More about this Journal
Abstract
The aim of this study was to examine geographic variation to support a genetic resource conservation plan of rare endemic Picea jezoensis (Siebold & Zucc.) Carriere. Three populations of P. jezoensis were analysed using multivariate analysis for 7 characteristics of needle morphology. In the morphological characters, seven characters of needle were 15.11 mm (needle length), 1.43 mm (needle width), 0.42 mm (needle thickness), 10.9 (length / width of needle), 3.6 (width / thickness of needle), 0.47 mm (Distance between resin duct and vascular), 17.4 ea. (number of stomata row), respectively. Nested analysis showed that were statistically significant differences among populations as well as among individuals within populations in 6 quantitative characters. In 5 of 7 characters, variance components among populations were higher than those among individuals within populations. Cluster analysis using complete linkage method showed two groups (Mt. Gyebang populations was genetically distinct from the other two populations) to Euclidean distance 0.4. Among principal components, primary 2 principal components appeared to be major variables because of the loading contribution of 100%.
Keywords
Picea jezoensis; needle; multivariate analysis; conservation;
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