Characterization of the pathogen causing a new bacterial vein rot disease in tobacco in China

文献类型： 外文期刊

第一作者： Wang, Yihong

作者： Wang, Yihong;Dai, Peigang;Zhao, Tingchang;Li, Xiaolong

作者机构：

关键词： Nicotania tabacum;Pectobacterium carotovorum subsp.;carotovorum;Bacterial vein rot disease;Pathogenicity

期刊名称：CROP PROTECTION （ 影响因子：2.571； 五年影响因子：3.11 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： In 2015, red or black-brown necrotic lesions on main or lateral veins associated with the wilting of leaves and dry rot caused by plant pathogenic bacteria were found in tobacco plants in different fields in Shaowu city, Fujian province, China. Two bacteria (FM3 and FM4) were isolated and selected for further tests. Pathogenicity test results showed that all the tested isolates developed typical vein rot symptoms in tobacco 4 days after inoculation and soft rot symptoms in potato tuber, okra, pepper, capsicum, celery, and Chinese cabbage 2 days after inoculation, with the bacterium re -isolated from all the inoculated plants. On the basis of phenotypic properties, maceration characteristics, biochemical tests, Biolog system, and 16S rRNA sequences analysis, isolates FM3 and FM4 were identified as Pectobacterium carotovorum subsp. carotovorum. To our knowledge, this is the first report that the new bacterial vein rot disease in tobacco in Shaowu city, China, was caused by P. carotovorum subsp. carotovorum. (C) 2016 Elsevier Ltd. All rights reserved.

分类号： S43

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