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http://dx.doi.org/10.7732/kjpr.2013.26.5.613

Characteristics of Leaf Morphology and Genetic Variation of the Rare Woody Plant, Berchemia racemosa var. magna  

Song, Jeong-Ho (Division of Special-purpose Trees, Department of Forest Genetic Resources, Korea Forest Research Institute)
Lim, Hyo-In (Division of Forest Genetic Resources, Department of Forest Genetic Resources, Korea Forest Research Institute)
Jang, Kyung-Hwan (Division of Forest Genetic Resources, Department of Forest Genetic Resources, Korea Forest Research Institute)
Han, Jingyu (Division of Forest Genetic Resources, Department of Forest Genetic Resources, Korea Forest Research Institute)
Publication Information
Korean Journal of Plant Resources / v.26, no.5, 2013 , pp. 613-618 More about this Journal
Abstract
This study was conducted to investigate the morphological characteristics of leaf and the genetic diversity of Berchemia racemosa var. magna which is only found in Anmyeon Island of South Korea. ANOVA test showed that there were significant differences among individuals within population in all 10 leaf characteristics. Average characteristics of 39 individuals were 11.8 cm in leaf length, 7.1 cm in leaf width, 1.67 in leaf index, 5.4 cm in upper 1/3 width, 6.2 cm in lower 1/3 width, 3.6 cm in petiole length, 0.19 mm in leaf thickness, 11.5 ea. in number of veins (left), 11.4 ea. in number of veins (right) and 61.7 $cm^2$ in leaf area, respectively. Except for leaf thickness (18.8%), petiole length (21.7%) and leaf area (22.0%), the coefficients of variation of most leaf characteristics were relatively low (<15.0%). A total of 50 bands was generated from 8 selected I-SSR primers. The estimates of genetic variation were 1.719 in effective number of alleles ($A_e$), 26.0% in proportion of polymorphic bands (P), 0.410 in expected heterozygosity ($H_e$) and 0.598 in Shannon's diversity index (S.I.), respectively. In spite of the small number and the limited distribution, the B. racemosa var. magna population in Anmyeon Island showed high genetic diversity.
Keywords
Anmyeon Island; ANOVA; Coefficients of variation; I-SSR primers; Shannon's diversity index;
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