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http://dx.doi.org/10.14578/jkfs.2013.102.1.001

Variation of Fruit and Seed Morphology of 6 Natural Populations of Sorbus commixta Hedl. in Korea  

Song, Jeong-Ho (Department of Forest Genetic Resources, Korea Forest Research Institute)
Jang, Kyung-Hwan (Department of Forest Genetic Resources, Korea Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.102, no.1, 2013 , pp. 1-6 More about this Journal
Abstract
This study was conducted to investigate the variation of fruit and seed morphology among populations and among individuals within population of Sorbus commixta Hedl. distributed in Korea. Fruits collected from 42 trees in six natural populations and their six fruit and four seed characteristics were analyzed. In all characteristics, there were significant differences among populations and among individuals within populations. Especially, number of fruits per fruit-bearing branch and number of seeds per fruit showed higher values among populations in total variance component. Coefficients of variation in the number of fruits per fruit-bearing branch and seed weight are relatively high (42.0~75.3%) compared to other traits (11.9~32.1%). As a result of simple correlation analysis, the number of fruits per fruit-bearing branch showed a significant positive correlation with latitude but showed a negative correlation with longitude. According to cluster analysis, geographically close populations showed the tendency of clustering into the same group. Three principal components (PC) were deduced from principal component analysis, which explain the 87% of total variance of fruit and seed characteristics. The highest contribution was seed length and seed weight in PC1, fruit width and seed index in PC2 and fruit length and number of fruits per fruit-bearing branch in PC3.
Keywords
Sorbus commixta; fruit; seed; morphology; variance component;
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Times Cited By KSCI : 6  (Citation Analysis)
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