Analysis on the Genetic Diversity of 24 Longan（Dimocarpus longan）Accessions by SCoT Markers

ACTA HORTICULTURAE SINICA ›› 2010, Vol. 37 ›› Issue (10): 1651-1654.

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Analysis on the Genetic Diversity of 24 Longan（Dimocarpus longan）Accessions by SCoT Markers

CHEN Hu1，HE Xin-hua1,3,*，LUO Cong1，ZHU Jian-hua2，and LI Feng1

（1College of Agriculture，Guangxi University，Nanning 530004，China；2Institute of Horticulture，Guangxi Academy of Agricultural Sciences，Nanning 530007，China；3Guangxi Crop Genetic Improvement and Biotechnology Laboratory，Guangxi Academy of Agricultural Sciences，Nanning 530007，China）

Received:2010-04-14 Revised:2010-10-08 Online:2010-10-25 Published:2010-10-25
Contact: HE Xin-hua

Abstract

Abstract: SCoT markers were used to study genetic diversity and relationship of 24 longan accessions. Twenty-four primers were screened from 80 SCoT primers and then used to amplify the genome DNAs of the accessions. Totally 211 SCoT loci were produced，including 181 polymorphic loci，with a polymorphism rate of 85.8%. The Jaccard genetic similarity coefficients among the accessions were calculated with NTSYS-pc2.10e software and the values were between 0.65 and 0.86. The results showed that there was relatively high genetic diversity among the accessions. The cluster analysis conducted with UPGMA showed that 24 accessions could be distinguished from each other and divided into two groups.

Key words: longan, ScoT, genetic diversity

CLC Number:

S 667.2

CHEN Hu;HE Xin-hua;;LUO Cong;ZHU Jian-hua;and LI Feng. Analysis on the Genetic Diversity of 24 Longan（Dimocarpus longan）Accessions by SCoT Markers[J]. ACTA HORTICULTURAE SINICA, 2010, 37(10): 1651-1654.

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Analysis on the Genetic Diversity of 24 Longan（Dimocarpus longan）Accessions by SCoT Markers

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