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Journal of Agriculture ›› 2019, Vol. 9 ›› Issue (11): 21-26.doi: 10.11923/j.issn.2095-4050.cjas18100015

Special Issue: 园艺

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Genetic Diversity Analysis on 30 Foreign Hot Pepper Germplasms with ISSR Technique

  

  • Received:2018-10-23 Revised:2019-02-15 Accepted:2019-03-01 Online:2019-11-19 Published:2019-11-19

Abstract: The paper aims to assess the genetic diversity of imported pepper materials. The genetic diversity of 30 hot pepper germplasms introduced from abroad was analyzed with ISSR markers. The results showed that using 8 primers from 96 ISSR primers for amplifying the DNA of hot peppers, 1781 ISSR loci including 1389 polymorphic loci were produced, with a polymorphism rate of 77.99%. At the genetic similarity coefficients level of 0.724, these germplasms could be divided into 3 groups, 19 in GroupⅠ, 10 in GroupⅡ, and only one in Group Ⅲ. The results of principal coordinate analysis and cluster analysis were generally consistent, and the results of cross-classification were more intuitive.

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