RAPD Analysis of Genetic Relationship among Partial Litchi Germplasms inHainan Island

ACTA HORTICULTURAE SINICA ›› 2004, Vol. 31 ›› Issue (2): 224-226.

• 研究报告 • Previous Articles Next Articles

RAPD Analysis of Genetic Relationship among Partial Litchi Germplasms inHainan Island

Chen Yeyuan;Deng Suisheng;zhang Xin;Wei Shouxing;Gao Aiping;Wang Jiabao;Zhou Bin

( Germplasm Research Institute of Tropical Crops， Plant Protection Research Institute of Tropical Crops，Chinese Academy of Tropical Agricultural Sciences，Danzhou 571737，China； Department ofHorticulture，South China University of Tropical Agriculture，Danzhou 571737，China ；Qiongshan Research Institute ofFruit，Haikou 570000，China )

Received:2003-06-10 Revised:2003-10-08 Online:2004-04-25 Published:2004-04-25

Abstract

Abstract: Identification．classification and genetic relationship of 30 litchi germplasms of Hainan island were measured at the molecular level by random amplified polymorphic DNA (RAPD)with ten arbitrary primers of 10 bases． The results revealed that similarity coefficients of most of litchi germplasms were among
55%—8O%．Which indicated that the genetic relationships between them were closer related． 30 litchi germplasms were divided into 4 groups at the level of the similarity coemcient of 61% ．Although a certain correlation with the morphological classification based mainly on the characteristic of tubercles on the ripe fruit skin，the range of classification by RAPD was more detailed than that of morphological classification．It is concluded that the traditional morphological classification system can not reflect fully the genetic relationships between litchi germplasms，and need further improvement according to the result by RAPD analysis．

Key words: Litchi, RAPD marker, Cluster analysis, Genetic relationship

CLC Number:

S667．1

Chen Yeyuan;Deng Suisheng;zhang Xin;Wei Shouxing;Gao Aiping;Wang Jiabao;Zhou Bin. RAPD Analysis of Genetic Relationship among Partial Litchi Germplasms inHainan Island[J]. ACTA HORTICULTURAE SINICA, 2004, 31(2): 224-226.

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RAPD Analysis of Genetic Relationship among Partial Litchi Germplasms inHainan Island

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