Genetic Relationship among East and South Asian Melon (Cucumis melo L.) Revealed by AFLP Analysis

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    • Iwata Hiroyoshi
    • Department of Information Science and Technology, National Agricultural Research Center
    • Akashi Yukari
    • Sankyo Seed Research Co., Ltd.|Faculty of Agriculture, Okayama University
    • Tomita Ken-o
    • Plant Biotechnology Institute, Ibaraki Agriculture Center
    • Kuzuya Maki
    • Plant Biotechnology Institute, Ibaraki Agriculture Center
    • Tsumura Yoshihiko
    • Bio-resources Technology Division, Forestry and Forest Products Research Institute


Ninety-nine accessions of melon (<i>Cucumis melo</i> L.) mainly from East and South Asia were analyzed based on the polymorphism of 210 amplified fragment length polymorphism (AFLP) bands to reveal the genetic structure and phylogenetic relationship in Asian melon. A cluster analysis based on their genetic similarity revealed three major clusters, i.e., a vars. <i>makuwa</i> and <i>conomon</i> group, a small-seed type group and a group of Japanese F<sub>1</sub> cultivars and large-seed type accessions. Most of the East Asian melon accessions classified into the first group were of the small-seed type with a seed length shorter than 9.0 mm. The varieties of <i>C. melo</i> were roughly divided into two groups by a principal co-ordinate analysis based on AFLP data, that is, the group of vars. <i>makuwa</i> and <i>conomon</i> and small-seed type melon and the group of var. <i>reticulatus</i> and large-seed type melon. Indian melon accessions were rich in genetic variation. Melon accessions closely related to vars. <i>makuwa</i> and <i>conomon</i> were found in east India, and they were considered as possible candidates of the prototype of vars. <i>makuwa</i> and <i>conomon</i>.<br>


  • Breeding Science

    Breeding Science 55(2), 197-206, 2005

    Japanese Society of Breeding


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