文献类型: 外文期刊
作者: Shen, Yingchao;Zhang, Zhixiao;Liu, Changyou;Wang, Yan;Wang, Shen;Shi, Huiying;Cao, Zhimin;Zhu, Zhendong;Fan, Baojie;Tian, Jing
作者机构:
关键词: mungbean;Fusarium oxysporum;resistance to Fusarium wilt;gene mapping
期刊名称: AGRONOMY-BASEL
ISSN:
年卷期: 2026 年 16 卷 2 期
页码:
收录情况: SCIE(2025版)
摘要: Fusarium wilt (FW), caused by Fusarium oxysporum, poses a significant threat to mungbean (Vigna radiata L.), impacting its yield and quality. In this study, a recombinant inbred line (RIL) population was developed by crossing the highly resistant cultivar Weilv 9002-341 with the highly susceptible line V1128. Assessment of resistance revealed a continuous variation in the average disease index within the resulting population, consistent with the inheritance pattern of quantitative traits. Leveraging an F2:3 segregating population, we conducted linkage mapping analysis and bulked segregant analysis by sequencing, leading to the construction of a genetic linkage map and the identification of a region correlated with resistance. Within this region, 14 novel simple sequence repeat markers were designed to enable refined mapping. A putative resistance locus, spanning 0.17 Mb and encompassing 19 annotated genes, was precisely located. Ultimately, two genes were identified as high-priority candidates conferring resistance. The results of this study lay the foundation for the functional investigation of genes associated with resistance to Fusarium wilt disease in mungbean.
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