Diversity of Cytospora Species Associated with Trunk Diseases of Prunus persica (Peach) in Northern China
文献类型： 外文期刊
作者： He, Zhizheng 1 ; Abeywickrama, Pranami D. 1 ; Wu, Linna 1 ; Zhou, Yueyan 1 ; Zhang, Wei 1 ; Yan, Jiye 1 ; Shang, Qiaoxia 2 ; Zhou, Ying 1 ; Li, Shifang 5 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Minist Agr & Rural Affairs, Inst Plant Protect, Beijing Key Lab Environm Friendly Management Fruit, Beijing 100097, Peoples R China
2.Beijing Univ Agr, Coll Biosci & Resources Environm, Key Lab Northern Urban Agr, Minist Agr & Rural Affairs, Beijing 102206, Peoples R China
3.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
4.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
5.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China
关键词： fungi; gummosis; morphology; pathogenicity; peach Cytospora canker; phylogeny
期刊名称：JOURNAL OF FUNGI （ 影响因子：4.0； 五年影响因子：4.5 ）
ISSN：
年卷期： 2024 年 10 卷 12 期
页码：
收录情况： SCI
摘要： Peach (Prunus persica) is widely cultivated in China, but fungal diseases, particularly Cytospora canker, significantly impact tree health, reducing fruit yield and economic value. This disease mainly weakens tree branches and trunks, sometimes leading to tree death. There are no updated studies on the diversity of Cytospora species associated with peach Cytospora canker in northern China. To determine the Cytospora species associated with this disease, we surveyed five provinces from 2022 to 2023, collecting 72 disease samples with symptoms including branches with black fruiting bodies, cankers, cracking, dieback, and gummosis. Through morphology and multi-loci phylogeny, 127 isolates were identified into four known (C. ailanthicola, C. erumpens, C. leucostoma, and C. leucosperma) and two previously undescribed species (C. gansuensis sp. nov. and C. qinanensis sp. nov.). Cytospora leucostoma (73.60%) was the most abundant. Pathogenicity tests indicated that except for C. ailanthicola, all other species were pathogenic to peach, with C. erumpens being the most aggressive. This study is the first to report the novel host association of C. erumpens on peaches globally and represents the first comprehensive investigation of Cytospora species associated with canker diseases in the main peach production area in northern China, offering a foundation for developing effective disease management strategies.
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