Studies on the Genetic Diversity and Relationship of Longan Cultivars by AFLP
Analysis

ACTA HORTICULTURAE SINICA ›› 2003, Vol. 30 ›› Issue (03): 272-276.

• 研究论文 • Previous Articles Next Articles

Studies on the Genetic Diversity and Relationship of Longan Cultivars by AFLP
Analysis

Yi Ganjun¹; Tan Weiping²; Huo Heqiang¹; Zhang Qiuming²; Li Jianguang¹; Zhou Birong¹

( ¹Institute of Fruit Tree Research，Guangdong Academy of Agricaltural Sciences, Guangzhou 510640，China; ²Hunan Agricultural University，Changsha 410128，China)

Received:2002-12-11 Revised:2003-04-17 Online:2003-06-25 Published:2003-06-25

Abstract

Abstract:

The study is mainly on the genetic diversity and relationship of Longan (Dimocarpus longan Lour．) cultivars by applying AFLP (Amplified Fragment Length Polymorphism). 103 polymorphic distinct bands were obtained with two pairs of primers(EcoRⅠACT+Mse ⅠCTT and EcoR ⅠACT+Mse Ⅰ CTC)，which were enough to distinguish the 46 cultivars from each other. UPGMA analysis showed that 46 cultivars were divided into 11 groups．The ratio of polymorphic rate varied from 0.2703 to 0.4955．The result showed that the Fujian Dongbi

was diferent from Guangdong Dongbi and they were different types from Kaiyuansi Dongbi．Zaoshu 1 was supposed to be a new type．The results supplied theoretical basis for cultivar classification．

Key words: Longan, AFLP, Genetic diversity, Relationship

CLC Number:

S 667.2

Yi Ganjun;Tan Weiping;Huo Heqiang;Zhang Qiuming;Li Jianguang;Zhou Birong.

Studies on the Genetic Diversity and Relationship of Longan Cultivars by AFLP

Analysis[J]. ACTA HORTICULTURAE SINICA, 2003, 30(03): 272-276.

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Studies on the Genetic Diversity and Relationship of Longan Cultivars by AFLP
Analysis

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