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Position: Home > Articles > A preliminary study on bacterial stem and root rot disease of sweet potato in Hebei Province Plant Protection 2015,41 (3) 119-122+137

河北省甘薯茎腐病研究初报

作  者:
高波;王容燕;马娟;李秀花;陈书龙
单  位:
河北省农林科学院植物保护研究所河北省农业有害生物综合防治工程技术研究中心农业部华北北部作物有害生物综合治理重点实验室
关键词:
甘薯茎腐病;细菌性病害;达旦提狄克氏菌
摘  要:
甘薯茎腐病是近几年在我国发现的一种新的细菌性病害,目前该病已在我国的福建、广东、江西、广西、海南、河南、重庆、江苏等地发生。2013年10月在对河北省甘薯病害的调查中在文安县发现了大量疑似甘薯茎腐病的病株,给当地的甘薯生产造成了严重的影响。经对疑似病株病原菌的分离纯化、柯赫氏法则验证、形态观察以及基于16SrDNA序列的分析,最终确定该病害为甘薯茎腐病,病原菌为达旦提狄克氏菌(Dickeya dadantii)。这是该病害首次在河北省被发现。
译  名:
A preliminary study on bacterial stem and root rot disease of sweet potato in Hebei Province
作  者:
Gao Bo;Wang Rongyan;Ma Juan;Li Xiuhua;Chen Shulong;Plant Protection Institute of Hebei Academy of Agricultural and Forestry Sciences;IPM Centre of Hebei Province;Key Laboratory of IPM on Crops in Northern Region of North China,Ministry of Agriculture;
关键词:
bacterial stem and root rot disease of sweet potato;;bacterial disease;;Dickeya dadantii
摘  要:
The bacterial stem and root rot disease of sweet potato was a novel bacterial disease reported in China,which has occurred in the provinces of Fujian,Guangdong,Jiangxi,Guangxi,Hainan,Henan,Chongqing,Jiangsu and so on in recent years.In the survey of sweet potato diseases in Hebei Province in October 2013,a lot of sweet potato plants with similar symptoms of bacterial stem and root rot disease were found in the County Wen'an,which caused a serious loss to the local sweet potato production.In this study,bacterial strains were isolated and purified from the diseased tuberous roots.The pathogen of the disease was verified based on the Koch's postulates and finally identified as Dickeya dadantii by morphological observation and the 16 S rDNA sequence analysis.This is the first report on this disease in Hebei Province.

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