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

被引：0
|
作者：
Lu, Ying [1 ,2 ]
Zhang, Hui-ru [1 ,2 ]
Zhang, Wei-yi [3 ]
Wu, Wei-huai [1 ,2 ]
He, Chun-ping [1 ,2 ]
Liang, Yan-qiong [1 ,2 ]
Huang, Xing [1 ,2 ]
Yi, Ke-xian [1 ,2 ,4 ]
机构：
[1] Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Minist Agr & Rural Affairs, Haikou, Peoples R China
[2] Hainan Key Lab Monitoring & Control Trop Agr Pests, Haikou, Peoples R China
[3] Hainan Univ, Sch Trop Agr & Forestry, Danzhou, Peoples R China
[4] Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya, Peoples R China
来源：
JOURNAL OF PHYTOPATHOLOGY | 2024年 / 172卷 / 03期
基金：
海南省自然科学基金;
关键词：
Epicoccum; new host record; pathogenicity; phylogeny; 1ST REPORT; DISEASE;
D O I：
10.1111/jph.13331
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
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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页数：4
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