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Intraspecific Variations of Rubus oldhami  

Kim Mi-Na (Division of Life Sciences, Kangwon National University)
Jang Su-Kil (Division of Life Sciences, Kangwon National University)
Yoo Ki-Oug (Division of Life Sciences, Kangwon National University)
Publication Information
Korean Journal of Plant Resources / v.18, no.2, 2005 , pp. 260-269 More about this Journal
Abstract
Taxonomic studies on morphological, principal component analysis (PCA), palynological, RAPD and PCR-RELP analysis were conducted to intraspecific relationships of Rubus oldhami. Three types of Rubus oldhami based on the flower characters such as petal length and number were used in this study. Among the 14 morphological characters, perianth length, calyx lobe length, apical leaflet shape and leaflet length were used to distinguish for each type. The pollen characters such as shape, aperture number, surface sculpture were showed very similar among three types. Eight primers out of 20 arbitrary primers were screened for three types, and were revealed 33 ($60\%$) polymorphic bands. The phonogram by RAPD data showed incongruent with morphological analysis. Even though ten restriction endonucleases produced 20 restriction sites, polymorphic bands were not observed. Based on the results, three types of Rubus oldhami divided well by morphological characters, but pollen and DNA data were not supported. Therefore, type 1 and 2 which different from type 3 by flower characters considered as a temporary hybrid or ecotype because of their similar habitats.
Keywords
Intraspecific relationship; morphology; pollen; PCR-RFLP; RAPD; Rubus oldhami;
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