Genetic Diversity of Longan in Guangxi Assessed by AFLP Markers

ACTA HORTICULTURAE SINICA ›› 2008, Vol. 35 ›› Issue (10): 1511-1516.

• 研究简报 • Previous Articles Next Articles

Genetic Diversity of Longan in Guangxi Assessed by AFLP Markers

PENG Hong-xiang¹;LI Dong-bo¹*;ZHU Jian-hua¹;LI Jiang-zhou²;CAO Hui-qing¹;and PAN Li-mei²

(¹Horticulture Research Institute , Guangxi Academy of Agricultural Sciences, Nanning 530007, China; ²Agriculture College, Guangxi University, Nanning 530005, China)

Received:2008-06-11 Revised:2008-09-22 Online:2008-10-25 Published:2008-10-25
Contact: LI Dong-bo

Abstract

Abstract:

To determine the genetic diversity of longan（Dimocarpus longan Lour.） varieties in Guangxi, we employed 10 pairs of AFLP primer combinations on 38 varieties and 2 subspecific varieties〔Dimocarpus confinis (How et Ho) H. S. Do〕 in Guangxi, and 10 varieties in other regions and countries. A total of 570 major AFLP bands were observed, and among them 485 bands (85.1%) were polymorphism. All of the cultivars could be divided with the markers used in this study. Genetic similarities among all taxa ranged from 0.39 (between the two subspecies) to 0.98. Phenetic trees based on genetic similarities (UPGMA, N-J) were similar to known taxonomic relationships. The results showed that the genetic diversity of longan is very high in Guangxi.

Key words: longan, genetic diversity, AFLP

CLC Number:

S 667.2

PENG Hong-xiang;LI Dong-bo;ZHU Jian-hua;LI Jiang-zhou;CAO Hui-qing;and PAN Li-mei. Genetic Diversity of Longan in Guangxi Assessed by AFLP Markers[J]. ACTA HORTICULTURAE SINICA, 2008, 35(10): 1511-1516.

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Genetic Diversity of Longan in Guangxi Assessed by AFLP Markers

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