2012•Journal of the South China Agricultural UniversityRequires access

ISSR analysis of genetic diversity among cultivated eggplant and wild relatives.

Xi’ou Xiao, Yong Wang, Guannan Li, Bihao Cao, Jianjun Lei, Guoju Chen, Qinghua Chen

Abstract

The genetic relationship and diversity of 44 eggplants,Solanum melongena L.,germplasms and 4 wild relatives were analyzed by ISSR method.One hundred and fifty-three of 186 bands were amplified by 20 ISSR primers,about 82.2% being polymorphisms.Fourty-eight germplasms were clustered into 5 groups by genetic similar index from 0.52 to 0.98,and the wild species were different from eggplants.Also 44 eggplant cultivars had a high genetic similarity and a narrow genetic diversity.At the same time,the results showed that the cluster was related to the fruit shape of eggplants and origin areas,but not to the fruit colour.

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Key concepts: Genetic diversity, Biology, Solanum, Cultivar, Genetic similarity, Melongena, Genetic relationship, Botany