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RAPD marker variations between and within the species of Korean Suaeda  

Shim, Hyun-Bo (Department of Biological Sciences, Inha University)
Choi, Byoung-Hee (Department of Biological Sciences, Inha University)
Publication Information
Korean Journal of Plant Taxonomy / v.34, no.1, 2004 , pp. 63-74 More about this Journal
Abstract
The genus Suaeda is one of the most popular plants on salt marsh areas in Korean Peninsular. The entities that comprise taxa in Korea exhibit widely overlapping ranges in all morphological attributes. Ramdom amplified polimorphic DNA (RAPD) markers were used to clarify taxonomic delimitation among the Korean taxa of Suaeda and to analyse genetic variations among the populations of S. japoniro in western and southern coastal regions. Six decamer primers amplified a total of 65 scorable bands, of which 61 were polymorphic. In all primers investigated, S. glauro of sect. Schanginia is the most distinctive species, compared with others of sect. Heterosperma. S. japonica, S. maritima, and S. malacosperma, which have been hardly distinguished each other by external morphology, were readily recognized by its specific DNA bands. The characteristic RAPD markers were identified local populations of S. japonica, but this feature was not revealed within population.
Keywords
Genetic marker; halophytes; RAPD; Suaeda; Suaeda japonica; taxonomy;
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