Genetic Diversity and Relationship of China's Bergenia Germplasm Revealed by Intersimple Sequence Repeat Markers
文献类型： 外文期刊
作者： Lv, Xiuli 1 ; Guan, Yuan 3 ; Wang, Jian 4 ; Zhou, Yanwei 5 ; Liu, Qunlu 7 ; Yu, Zequn 8 ;
作者机构： 1.Shanghai Acad Landscape Architecture Sci & Planni, Shanghai 200232, Peoples R China
2.Shanghai Engn Res Ctr Landscaping Challenging Urb, Shanghai 200232, Peoples R China
3.Shanghai Acad Agr Sci, Forestry & Fruit Tree Res Inst, Shanghai 201403, Peoples R China
4.Altay City Forestry Bur, Altay 836500, Xinjiang Autono, Peoples R China
5.Jiangsu Key Lab Res & Utilizat Plant Resources, Nanjing 210014, Jiangsu, Peoples R China
6.Chinese Acad Sci, Nanjing 210014, Peoples R China
7.Shanghai Jiao Tong Univ, Sch Design, Shanghai 200240, Peoples R China
8.Shanghai Gardening Landscaping Construct Co Ltd, Shanghai 200333, Peoples R China
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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