RAPD assessment on genetic variations of 45 tea trees in Yunnan was carried out. Eight primers selected from 40 random primers were used to amplify 45 tea samples, and a total of 95 DNA bands were amplified, of which 90 (94.7%) were polymorphism. The average number of DNA bands amplified by each primer was 11.5. Based on the results of UPGMA cluster analysis of 95 DNA bands amplified by 8 primers,all the tested materials could be classified into 7 groups including 5 complex groups and 2 simple groups, which was basically identical with morphological classification. In addition, there were some speciations in 2 simple groups.

完成机构：[1]TeaDepartment,YunnanAgriculturalUniversity,Kunming650201,P.R.China [2]HenanXinyangNormalUniversity,Xinyang464000,P.R.China [3]TeaResearchInstitute,YunnanAcademyofAgriculturalSciences,Menghai666201,P.R.China

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