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Genetic analysis of sugarcane brown rust resistance genes in wild sugarcane germplasm Erianthus rockii 'Yundian 95-19' and Erianthus rockii 'Yundian 95-20'

文献类型： 外文期刊

作者： Zhang, Rong-Yue 1 ; Li, Wen-Feng 1 ; Huang, Ying-Kun 1 ; Lu, Xin 1 ; Wang, Xiao-Yan 1 ; Shan, Hong-Li 1 ; Li, Jie 1 ; Can 1 ;

作者机构： 1.Yunnan Acad Agr Sci, Sugarcane Res Inst, Yunnan Key Lab Sugarcane Genet Improvement, Kaiyuan 661699, Peoples R China

关键词： Bru1 gene; selfing population; inheritance; single dominant gene

期刊名称：PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION （ 影响因子：1.08； 五年影响因子：1.243 ）

ISSN： 1479-2621

年卷期： 2019 年 17 卷 5 期

页码：

收录情况： SCI

摘要： We assessed inheritance of resistance to sugarcane brown rust (Puccinia melanocephala) in selfing F-1 populations of wild sugarcane germplasm Erianthus rockii 'Yundian 95-19' and E. rockii 'Yundian 95-20'. We tested parent and selfing F-1 individuals for the brown rust resistance gene, Bru1, that has been shown to confer resistance to brown rust in sugarcane. The Bru1 gene was not detected in E. rockii 'Yundian 95-19', E. rockii 'Yundian 95-20' or their selfing F-1 individuals, and we found there was segregation of resistance in the two selfing F-1 populations (segregation ratio: 3:1). The results confirmed resistance in E. rockii 'Yundian 95-19' and E. rockii 'Yundian 95-20' to sugarcane brown rust is controlled by a novel, single dominant gene.

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