Leaf spot of Desmodium triflorum caused by Epicoccum sorghinum in South China

文献类型： 外文期刊

第一作者： Lu, Ying

作者： Lu, Ying;Zhang, Hui-ru;Wu, Wei-huai;He, Chun-ping;Liang, Yan-qiong;Huang, Xing;Yi, Ke-xian;Lu, Ying;Zhang, Hui-ru;Wu, Wei-huai;He, Chun-ping;Liang, Yan-qiong;Huang, Xing;Yi, Ke-xian;Zhang, Wei-yi;Yi, Ke-xian

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关键词： Epicoccum; new host record; pathogenicity; phylogeny

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： 2024 年 172 卷 3 期

页码：

收录情况： SCI

摘要： Desmodium triflorum is an important gramineous forage grown in tropical regions of China. In August 2022, a new leaf spot disease was observed on D. triflorum during a field survey at the base of the Chinese Academy of Tropical Agricultural Sciences, Hainan, China. The pathogen was isolated and identified using morphological examination and phylogeny based on multi-gene sequences analysis of the nuclear ribosomal internal transcribed spacer, the second largest RNA polymerase subunit (RPB2), and beta-tubulin genes. The isolates were identified as Epicoccum sorghinum. The pathogenicity of E. sorghinum on D. triflorum was validated fulfilling Koch's postulates, causing leaf spot disease. To the best of our knowledge, this is the first report of leaf spot disease on D. triflorum caused by E. sorghinum in China.

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