文献类型： 外文期刊

作者： Yang, Guofeng ¹ ; Yang, Yong ¹ ; Guan, Yali ¹ ; Xu, Zhixia ¹ ; Wang, Junyu ¹ ; Yun, Yong ² ; Yan, Xiaowei ² ; Tang, Qingjie ² ;

作者机构： 1.Hainan Normal Univ, Coll Life Sci, Key Lab Trop Anim & Plant Ecol Hainan Prov, Haikou 571158, Hainan, Peoples R China

2.Hainan Acad Agr Sci, Cereal Crops Inst, Sanya Inst,Minist Agr & Rural Affairs, Key Lab Crop Genet & Breeding Hainan Prov,Sci Obs, Haikou 571100, Hainan, Peoples R China

期刊名称：BIOMED RESEARCH INTERNATIONAL （ 影响因子：3.246； 五年影响因子：3.767 ）

ISSN： 2314-6133

年卷期： 2021 年 2021 卷

页码：

收录情况： SCI

摘要： Shanlan upland rice, a kind of unique rice germplasm in Hainan Island, was used to evaluate genetic diversity and association between SSR markers and agronomic traits. A total of 239 alleles were detected in 57 Hainan upland rice varieties using 35 SSR markers, and the number of alleles per locus was 2-19. The observed heterozygosity was 0.0655-0.3115. The Shannon diversity index was 0.1352-0.4827. The genetic similarity coefficient was 0.6736-0.9707, and 46 varieties were clustered into one group, indicating that the genetic base of the Shanlan upland rice germplasm was narrow. A total of 25 SSR markers significantly related to plant height, effective panicle number per plant, panicle length, total grain number, filled grain number, seed rating rate, and 1000-grain weight were obtained (P < 0.01), with the percentage of the total variations explained ranging from 0.12% to 42.62%. RM208 explained 42.62% of the total variations in plant height of Shanlan upland rice. RM493 was significantly associated with 6 agronomic traits. We can speculate that RM208 may flank QTLs responsible for plant height and RM493 may flank QTLs playing a fundamental role in the intertwined regulatory network of agronomic traits of Shanlan upland rice.