Genetic diversity assessment of a set of introduced mung bean accessions (Vigna radiata L.)
文献类型： 外文期刊
作者：
Wang, Lixia
1
;
Bai, Peng
2
;
Yuan, Xingxing
3
;
Chen, Honglin
1
;
Wang, Suhua
1
;
Chen, Xin
3
;
Cheng, Xuzhen
1
;
作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China
2.China Natl Seed Grp Co Ltd, Beijing 100031, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Vegetable Crops, Nanjing 210014, Jiangsu, Peoples R China
关键词： Vigna radiata; Plant introduction; SSR markers; Genetic diversity
期刊名称：CROP JOURNAL （ 影响因子：4.407； 五年影响因子：5.687 ）
ISSN： 2095-5421
年卷期： 2018 年 6 卷 2 期
页码：
收录情况： SCI
摘要： Genetic resources from other countries or regions play an important role in broadening the genetic background of local breeding varieties. Here we describe observations on the adaptability of mung bean germplasm obtained from the United States Department of Agriculture and their genetic diversity assessment using SSR markers. Several accessions were shown to be mixtures, based on their phenotypes for some characters. Most accessions were able to complete their life cycles when grown in Beijing, China, making the mideal for crossbreeding without day length control. High diversity was revealed by the SSR markers, with an average of 4.2 alleles per locus and a PIC value of 0.650 per locus. STRUCTURE analysis divided the accessions into six groups. There was no obvious trend of accessions forming groups according to their geographical origin, owing mainly to germplasm exchange and an uneven distribution of accessions. The present results indicate that this germplasm would enrich the local gene pool, and provide information for the further use of germplasm in breeding programs. (C) 2017 "Crop Science Society of China and Institute of Crop Science, CAAS". Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
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