Identification of brown rust resistance in the field and detection of the Bru1 gene in sugarcane varieties

文献类型： 外文期刊

第一作者： Zhang, Rong-Yue

作者： Zhang, Rong-Yue;Shan, Hong-Li;Yang, Kun;Wang, Xiao-Yan;Cang, Xiao-Yan;Wang, Chang-Mi;Luo, Zhi-Ming;Li, Wen-Feng;Huang, Ying-Kun

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关键词： Sugarcane; brown rust; resistance gene Bru1; natural disease resistance

期刊名称：CROP BREEDING AND APPLIED BIOTECHNOLOGY （ 影响因子：1.282； 五年影响因子：1.493 ）

ISSN： 1984-7033

年卷期： 2021 年 21 卷 2 期

页码：

收录情况： SCI

摘要： The aim of this study was to assess brown rust resistance in 60 new sugarcane varieties bred by the China Sugarcane System in recent years and in 34 major varieties cultivated in sugarcane growing areas in China. The resistance of these sugarcane varieties to brown rust was investigated in the field, and molecular markers were used to detect the brown rust-resistance gene Bru1. The results of the field survey showed that 66 (70.21%) of the 94 sugarcane varieties were highly resistant to moderately resistant, and 28 (29.79%) were susceptible to highly susceptible. The Bru1 gene was detected in 54 (57.45%) of the 94 sugarcane varieties. Seven highly resistant varieties and five resistant varieties did not carry Bru1, suggesting that they carry other genes associated with brown rust resistance. This study provides a scientific basis and identifies disease-resistant germplasm for selection of plants for sugarcane production.

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