PmAm, a Broad-Spectrum Powdery Mildew Resistance Source Located on Amblyopyrum muticum Chromosome 6T, Is Transferred to Common Wheat

文献类型： 外文期刊

第一作者： Xu, Wenjing

作者： Xu, Wenjing;Han, Ran;Liu, Aifeng;Cao, Xinyou;Li, Haosheng;Liu, Jianjun;Komatsuda, Takao;Liu, Cheng;Xu, Wenjing;Han, Ran;Liu, Aifeng;Cao, Xinyou;Li, Haosheng;Liu, Jianjun;Komatsuda, Takao;Liu, Cheng;Xu, Wenjing;Han, Ran;Liu, Aifeng;Cao, Xinyou;Li, Haosheng;Liu, Jianjun;Komatsuda, Takao;Liu, Cheng;Xu, Wenjing;Han, Ran;Liu, Aifeng;Cao, Xinyou;Li, Haosheng;Liu, Jianjun;Komatsuda, Takao;Liu, Cheng;Ma, Pengtao;Xu, Xiaoyi;He, Huagang;Yang, Zujun;Liu, Cheng

作者机构：

关键词： Amblyopyrum muticum; broad-spectrum resistance; chromosome 6T; cytogenetic identification; PmAm; powdery mildew

期刊名称：PLANT DISEASE （ 影响因子：4.4； 五年影响因子：4.8 ）

ISSN： 0191-2917

年卷期： 2025 年 109 卷 6 期

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收录情况： SCI

摘要： Powdery mildew (caused by Blumeria graminis f. sp. tritici) limits grain production and reduces grain quality in wheat. Amblyopyrum muticum (2n = 2x = 14, TT genomes), a wild relative of wheat, carries agronomically valuable traits, including resistance to powdery mildew, that have not been transferred to wheat. Here, a powdery mildew-resistant Chinese Spring-Am. muticum amphiploid was backcrossed to a powdery mildew-susceptible wheat cultivar, and homozygous resistant derivatives with broad-spectrum resistance were selected. Fluorescence in situ hybridization analysis identified chromosome substitution and compensating Robertsonian translocation lines involving chromosome 6T from Am. muticum.

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