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http://dx.doi.org/10.5010/JPB.2015.42.4.401

Evaluation of horticultural traits and genetic relationship in melon germplasm  

Jung, Jaemin (Department of Horticultural Bioscience, Pusan National University)
Choi, Sunghwan (Department of Horticultural Bioscience, Pusan National University)
Oh, Juyeol (Gyeongnam Agricultural Research & Extension Services)
Kim, Nahui (Department of Horticultural Bioscience, Pusan National University)
Kim, Daeun (Department of Horticultural Bioscience, Pusan National University)
Son, Beunggu (Department of Horticultural Bioscience, Pusan National University)
Park, Younghoon (Department of Horticultural Bioscience, Pusan National University)
Publication Information
Journal of Plant Biotechnology / v.42, no.4, 2015 , pp. 401-408 More about this Journal
Abstract
Horticultural traits and genetic relationship were evaluated for 83 melon (Cucumis melo L.) cultivars. Survey of a total of 36 characteristics for seedling, leaf, stem, flower, fruit, and seed and subsequent multiple analysis of variance (MANOVA) were conducted. Principal component analysis (PCA) showed that 8 principle components including fruit weight, fruit length, fruit diameter, cotyledon length, seed diameter, and seed length accounted for 76.3% of the total variance. Cluster analysis of the 83 melon cultivars using average linkage method resulted in 5 clusters at coefficient of 0.7. Cluster I consisted of cultivars with high values for fruit-related traits, Cluster II for soluble solid content, and Cluster V for high ripening rate. Genotyping of the 83 cultivars was conducted using 15 expressed-sequence tagged-simple sequence repeat (EST-SSR) from the Cucurbit Genomics Initiative (ICuGI) database. Analysis of genetic relatedness by UPGMA resulted in 6 clusters. Mantel test indicated that correlation between morphological and genetic distance was very low (r = -0.11).
Keywords
Cucumis melo L.; EST-SSR; genetic relationship; horticultural traits; melon; PCA;
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Times Cited By KSCI : 6  (Citation Analysis)
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