文献类型： 外文期刊
作者： Li, Yinping 1 ; Sun, Suli 1 ; Du, Chengzhang 2 ; Xu, Chunbiao 1 ; Zhang, Jijun 2 ; Duan, Canxin 1 ; Zhu, Zhendong 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Beijing 100081, Peoples R China
2.Chongqing Acad Agr Sci, Chongqing 402160, Peoples R China
关键词： Botrytis cinerea;Gray mold disease;Vigna radiata;Transposa genotype
期刊名称：CROP PROTECTION （ 影响因子：2.571； 五年影响因子：3.11 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： Gray mold caused by Botrytis cinerea, a ubiquitous and destructive plant pathogen, is an important disease of various crops including orchard crops, vegetables and ornamental plants. In June 2012, symptoms similar to gray mold were observed on mung bean (Vigna radiata) plants in Yongchuan, Chongqing, China. To confirm the causal agent, the pathogen was isolated and six fungal isolates were identified based on morphological and molecular characterization. The six isolates showed similar morphology to Botrytis cinerea. The rDNA-ITS sequences of the six isolates showed 99% identity to reported B. cinerea strains. The two specific primer pairs for B. cinerea, C-729(+)/C-729(-) and Bc(108)(-)/Bc(563)(-), produced target fragments of 700-bp and 450-bp, respectively, in all six isolates, and their sequences displayed 99-100% identity to known B. cinerea strains. All of the isolates harbored two transposable elements of B. cinerea, Flipper and Boty, which indicated that they all belonged to the transposa group. Subsequently, pathogenicity tests demonstrated the pathogen was virulent not only on mung bean but also on other legume crops, including Phaseolus vulgaris, Vigna unguiculata, Vigna angularis, Pisum sativum, Vicia faba, and Glycine max. The results of morphological and molecular identification combined with pathogenicity tests confirmed that the pathogen isolated from mung bean was B. cinerea. To our knowledge, this is the first report of B. cinerea causing gray mold on mung bean in the world. (C) 2016 Elsevier Ltd. All rights reserved.
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