Unravelling Species Diversity and Pathogenicity of Fusarium spp. Associated with Soybean Leaf and Root in Heilongjiang Province, China
文献类型： 外文期刊
第一作者： Xu, Xi
作者： Xu, Xi;Shen, Guijin;Teng, Haolin;Zhao, Junlei;Xiao, Jialei;Guo, Lifeng;Wang, Xiangjing;Xiang, Wensheng;Zhao, Junwei;Gao, Yuan;Chen, Jie;Wang, Xiangjing;Xiang, Wensheng
作者机构：
关键词： Fusarium spp.; multilocus phylogenetic analyses; pathogenicity; soybean leaf blight; soybean root rot
期刊名称：PLANT DISEASE （ 影响因子：4.5； 五年影响因子：5.0 ）
ISSN： 0191-2917
年卷期： 2024 年 108 卷 4 期
页码：
收录情况： SCI
摘要： Soybean (Glycine max L.) holds significant global importance and is extensively cultivated in Heilongjiang Province, China. Soybean can be infected by Fusarium species, causing root rot, seed decay, stem rot, and leaf blight. In 2021 to 2022, a field survey of soybean diseases was carried out in 11 regions of Heilongjiang Province, and 186 soybean leaves with leaf blight symptoms and 123 soybean roots with root rot symptoms were collected. Unexpectedly, a considerable number of Fusarium isolates were obtained not only from root samples but also from leaf samples. A total of 584 Fusarium isolates (416 from leaves and 168 from roots) were obtained and identified as 18 Fusarium species based on morphological features and multilocus phylogenetic analyses with tef1 and rpb2 sequences. Fusarium graminearum and Fusarium sp. 1 in FOSC were the dominant species within soybean leaf and root samples, respectively. Pathogenicity tests were conducted for all Fusarium isolates on both soybean leaves and roots. Results showed that F. graminearum, F. ipomoeae, F. citri, F. compactum, F. flagelliforme, F. acuminatum, and F. sporotrichioides were pathogenic to both soybean leaves and roots. F. solani, F. avenaceum, F. pentaseptatum, F. serpentinum, F. annulatum, and Fusarium sp. 1 in FOSC were pathogenic to soybean roots, not to leaves. To our knowledge, this is the first study to thoroughly investigate soybean-associated Fusarium populations in leaves and roots in Heilongjiang Province.
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