Identification and pathogenicity of Fusarium spp. associated with tea wilt in Zhejiang Province, China

文献类型： 外文期刊

第一作者： Tang, Zhaoyang

作者： Tang, Zhaoyang;Zhu, Jing;Kong, Liya;He, Luqian;Lou, Jun;Wang, Zhanqi;Zhang, Liqin;Min, Lijing;Song, Qiujin;Daly, Paul;Li, Agen

作者机构：

关键词： Tea wilt; Fusarium; Pathogenicity; Fusarium fujikuroi

期刊名称：BMC MICROBIOLOGY （ 影响因子：4.2； 五年影响因子：4.7 ）

ISSN： 1471-2180

年卷期： 2024 年 24 卷 1 期

页码：

收录情况： SCI

摘要： Background Tea is one of the most widely consumed beverages in the world, with significant economic and cultural value. However, tea production faces many challenges due to various biotic and abiotic stresses, among which fungal diseases are particularly devastating. Results To understand the identity and pathogenicity of isolates recovered from tea plants with symptoms of wilt, phylogenetic analyses and pathogenicity assays were conducted. Isolates were characterized to the species level by sequencing the ITS, tef-1 alpha, tub2 and rpb2 sequences and morphology. Four Fusarium species were identified: Fusarium fujikuroi, Fusarium solani, Fusarium oxysporum, and Fusarium concentricum. The pathogenicity of the Fusarium isolates was evaluated on 1-year-old tea plants, whereby F. fujikuroi OS3 and OS4 strains were found to be the most virulent on tea. Conclusions To the best of our knowledge, this is the first report of tea rot caused by F. fujikuroi in the world. This provides the foundation for the identification and control of wilt disease in tea plants.

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