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The genetic diversity of Gaozhou wild rice analyzed by SSR

文献类型： 外文期刊

作者： Li, C 1 ; Pan, DJ 1 ; Mao, XX 1 ; Tu, CY 1 ; Zhou, HQ 1 ; Fan, ZL 1 ; Li, XF 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Rice Res Inst, Key Lab Minist Agr, Guangzhou 510640, Peoples R China

关键词： Gaozhou wild rice;SSR markers;genetic diversity;genetic differentiation

期刊名称：CHINESE SCIENCE BULLETIN （ 影响因子：1.649； 五年影响因子：1.738 ）

ISSN：

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收录情况： SCI

摘要： The genetic diversity of total 240 accessions of common wild rice coming from Gaozhou, Shaoguan, Zhanjiang, and other places in Guangdong, and Jiangxi, Fujian, Yunnan provinces, etc. in China and South-eastern Asia was evaluated by using 24 pairs of SSR primers. The results indicated that: (i) there were 17 polymorphic loci in 24 pairs of SSR primers, and the average percentage of polymorphic loci was 69 percent ; the average total number of alleles, the average number of alleles per locus and the average number of alleles per polymorphic loci were 51.1, 2.04 and 2.43, respectively; (ii) the average gene diversity was 0,8447. There were remarkable differentiations among 5 populations of Gaozhou wild rice. All the above-mentioned genetic parameters indicated that Gaozhou wild rice of Pengshan Village (or Bei Toudong) of Zhenjiang Town should be a center of genetic differentiation and diversity of Gaozhou wild rice. Gaozhou wild rice is probably the largest center of genetic differentiation and diversity of common wild rice from Guangdong Province, South China and even the whole China.

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