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Fungal species associated with apple Valsa canker in East Asia

文献类型: 外文期刊

作者: Wang, Xuli 1 ; Shi, Cheng-Min 4 ; Gleason, Mark L. 5 ; Huang, Lili 1 ;

作者机构: 1.Northwest A&F Univ, State Key Lab Crop Stress Biol Arid Areas, Yangling 712100, Shaanxi, Peoples R China

2.Northwest A&F Univ, Coll Plant Protect, Yangling 712100, Shaanxi, Peoples R China

3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

4.Hebei Agr Univ, Coll Plant Protect, Baoding 071001, Hebei, Peoples R China

5.Iowa State Univ, Dept Plant Pathol & Microbiol, Ames, IA USA

关键词: Perennial canker; Cytospora; Species recognition; Nomenclature; Malus

期刊名称:PHYTOPATHOLOGY RESEARCH ( 影响因子:3.955; 五年影响因子:3.955 )

ISSN: 2096-5362

年卷期: 2020 年 2 卷 1 期

页码:

收录情况: SCI

摘要: Since its discovery more than 110years ago, Valsa canker has emerged as a devastating disease of apple in East Asia. However, our understanding of this disease, particularly the identity of the causative agents, has been in a state of confusion. Here we provide a synopsis for the current understanding of Valsa canker and the taxonomy of its causal agents. We highlight the major changes concerning the identity of pathogens and the conflicting viewpoints in moving to "One Fungus = One Name" system for this group of fungal species. We compiled a list of 21 Cytospora species associated with Malus hosts worldwide and curated 12 of them with rDNA-ITS sequences. The inadequacy of rDNA-ITS in discriminating Cytospora species suggests that additional molecular markers, more intraspecific samples and robust methods are required to achieve reliable species recognition.

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