Genetic Diversity and Relationship of China's Bergenia Germplasm Revealed by Intersimple Sequence Repeat Markers

文献类型： 外文期刊

第一作者： Lv, Xiuli

作者： Lv, Xiuli;Lv, Xiuli;Guan, Yuan;Wang, Jian;Zhou, Yanwei;Zhou, Yanwei;Liu, Qunlu;Yu, Zequn

作者机构：

关键词： breeding parents; cluster analysis; germplasm selection; ISSR

期刊名称：JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE （ 影响因子：1.144； 五年影响因子：1.617 ）

ISSN： 0003-1062

年卷期： 2021 年 146 卷 5 期

页码：

收录情况： SCI

摘要： To reveal the genetic diversity and genetic relationships of China's Bergenia germplasm, 28 Bergenia accessions from different regions in China were analyzed by 24 intersimple sequence repeat (ISSR) markers. The results showed that 318 sites were amplified in all germplasm, including 307 polymorphic sites, and the percentage of polymorphic sites was 96.54%. Cluster analysis showed that the 28 accessions were divided into three categories, with a similarity coefficient of 0.5475. Bergenia purpurascens was clustered into one category; B. scopulosa was clustered into one category; and B. tianquaninsis, B. emeiensis, B. stracheyi, and B. crassifolia were clustered into one category. The results of the cluster analysis indicated that the 28 accessions were not completely classified by origin. Using the ISSR marker technique to analyze the phylogenetic relationship of Bergenia germplasm is helpful for identifying valuable resources and providing a theoretical basis for the selection of breeding parents.

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