文献类型： 外文期刊
作者： Sun, Qian 1 ; Harishchandra, Dulanjalee 1 ; Jia, Jingyi 1 ; Zuo, Qiang 4 ; Zhang, Guozhen 2 ; Wang, Qi 2 ; Yan, Jiye 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing Key Lab Environm Friendly Management Frui, Beijing 100097, Peoples R China
2.China Agr Univ, Coll Plant Protect, Beijing 100097, Peoples R China
3.Mae Fah Luang Univ, Sch Sci, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
4.Beijing Acad Agr & Forestry Sci, Inst Plant Nutr & Resources, Beijing 100097, Peoples R China
关键词： China; Fragariaxananassa; Neopestalotiopsis rosae; Phylogeny; Root rot
期刊名称：CROP PROTECTION （ 影响因子：2.571； 五年影响因子：3.11 ）
ISSN： 0261-2194
年卷期： 2021 年 147 卷
页码：
收录情况： SCI
摘要： Root rot is a major disease of strawberry (Fragaria x ananassa cv. Duchesne) worldwide affecting production and leading to huge economic losses. In 2018 and 2019, strawberry plants displaying root rot symptoms accompanied by plant wilting were observed on commercial farms in Beijing, China. A fungus with the general morphological characters of Neopestalotiopsis was consistently isolated from necrotic lesions in symptomatic roots. Eight representative isolates were selected for further studies. Based on morphological characters and phylogenetic analyses of the combined internal transcribed spacer (ITS) region, partial sequences of the beta-tubulin gene (tub2) and the transcription elongation factor 1-alpha (tef1), all isolates were identified as Neopestalotiopsis rosae. Pathogenicity test showed that N. rosae can produce wilt and root rot symptoms on strawberry plants. Therefore, N. rosae was recognized as the causal agent of root rot of strawberry. This is the first report that discusses the role of N. rosae in causing root rot disease on strawberries in China.
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