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Identification of Clonostachys rogersoniana as a causal agent of sisal leaf blight disease in South China

文献类型： 外文期刊

作者： Li, Erli 1 ; Wang, Guihua 2 ; Wu, Weihuai 2 ; Xi, Jingen 2 ; Chen, Helong 2 ; Huang, Xing 2 ; Tan, Shibei 2 ; Liang, Yanqiong 2 ; Yi, Kexian 1 ;

作者机构： 1.Guizhou Univ, Natl Key Lab Green Pesticide, Key Lab Green Pesticide & Agr Bioengn, Minist Educ,Ctr R & D Fine Chem, Guiyang, Peoples R China

2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Minist Agr & Rural Affairs, Haikou, Peoples R China

3.Hainan Key Lab Monitoring & Control Trop Agr Pests, Haikou, Peoples R China

4.Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya, Peoples R China

5.Guizhou Univ, Ctr R&D Fine Chem, Natl Key Lab Green Pesticide, Key Lab Green Pesticide & Agr Bioengn,Minist Educ, Guiyang 550025, Peoples R China

关键词： Clonostachys rogersoniana; leaf blight; sisal

期刊名称：JOURNAL OF PHYTOPATHOLOGY （ 影响因子：1.5； 五年影响因子：1.8 ）

ISSN： 0931-1785

年卷期： 2023 年

页码：

收录情况： SCI

摘要： A novel strain of leaf blight disease affecting sisal leaves was discovered at the Hongshan farm of Yulin City, Guangxi Province, in 2022. Ten fungal isolates were identified in the infected sisal leaves and classified into six categories (22GX3-1 to 6). Pathogenicity testing revealed that only 22GX3-2 and two morphologically similar isolates induced symptoms similar to those detected in the field. Based on morphological analysis and nucleotide sequencing of the internal transcribed spacer (ITS) of the rRNA gene, translation elongation factor 1 alpha (TEF1) and tubulin beta chain 2 (TUB2) genes, the fungal isolate 22GX3-2 was identified as Clonostachys rogersoniana. To the best of our knowledge, this is the first study reporting sisal leaf blight caused by Clonostachys rogersoniana.

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