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Genetic Relationship of Rhododendron ripense Makino to Japanese Evergreen Azalea Cultivars Evaluated by SSR Markers | OMICS International| Abstract

Journal of Plant Genetics and Breeding
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  • Research Article   
  • J Plant Genet Breed 2017, Vol 1(1): 101

Genetic Relationship of Rhododendron ripense Makino to Japanese Evergreen Azalea Cultivars Evaluated by SSR Markers

Nobuo Kobayashi*, Kyoko Sugai, Tomoyuki Tsuji and Akira Nakatsuka
Faculty of Life and Environmental Science, Shimane University, Matsue, Shimane, 690-8504, Japan
*Corresponding Author : Nobuo Kobayashi, Faculty of Life and Environmental Science, Shimane University, Matsue, Shimane, Japan, Tel: +81 852-32-6506, Email: [email protected]

Received Date: Nov 09, 2017 / Accepted Date: Nov 25, 2017 / Published Date: Dec 11, 2017

Abstract

Evergreen azalea cultivars as the important ornamental shrubs and pot plants have been developed based on the genetic resources of Japanese wild azaleas. Rhododendron ripense Makino is one of the representative wild azalea species endemic to West Japan and the ancestral parent of evergreen azalea cultivars. In this study, we focused on this large flowered riverside azalea and the genetic contribution to azalea cultivars was evaluated by means of SSR markers. The results of PCoA using SSR data made plot distributions, which would reflect the taxon and genetic relationship between cultivar groups and their ancestral species. All individuals of R. ripense which classified in subsection Scabra makes distribution group apart from R. kaempferi and R. kiusianum group which classified in subsection Tsutsusi. The cultivars of R. ripense, Ryukyu azalea (R. × mucronatum) and ‘Oomurasaki’ (R. × pulchrum) are all included in this R. ripense plot group. These results of this study suggested the important genetic contribution of R. ripense to the development of these azalea cultivars.

Keywords: Ancestral parent; Breeding history; Evergreen azalea; Genetic resources

Citation: Kobayashi N, Sugai K, Tsuji T, Nakatsuka A (2017) Genetic Relationship of Rhododendron Ripense Makino to Japanese Evergreen Azalea Cultivars Evaluated by SSR Markers. J Plant Genet Breed 1: 101

Copyright: ©2017 Kobayashi N, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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