作 者：
严婉荣;肖敏;赵志祥;陈圆;符尚娇;肖彤斌
单 位：
海南省农业科学院植物保护研究所海南省植物病虫害防控重点实验室
关键词：
辣椒细菌性叶斑病;病原菌;杀菌剂;药剂筛选
摘 要：
2012-2015年,在海南省辣椒主产区发生了一种严重危害辣椒的叶斑病,从发病叶片中分离到一种细菌,通过致病性测定、柯赫氏法则验证及分子生物学鉴定,将引起该病害的病原鉴定为野油菜黄单胞菌辣椒斑点病致病变种(Xanthomonas campestris pv.vesicatoria)。选用8种杀菌剂通过平板对峙法对该病原进行了室内毒力测定,结果表明:其中6种药剂对该病原有抑菌效果,效果最好的为72%农用硫酸链霉素可湿性粉剂,47%春雷·王铜可湿性粉剂次之,2%春雷霉素水剂和20%噻菌铜悬浮剂没有抑菌效果,不同药剂之间或同一种药剂不同剂型之间抑菌效果差异较大。病原鉴定和药剂筛选可为该病害的诊断和防治提供科学依据。
译 名：
Pathogen identification and bactericide screening of pepper bacterial leaf spot
作 者：
Yan Wanrong;Xiao Min;Zhao Zhixiang;Chen Yuan;Fu Shangjiao;Xiao Tongbin;Institute of Plant Protection,Hainan Academy of Agricultural Sciences,Hainan Key Laboratory for Prevention and Control of Plant Diseases and Insect Pests;
关键词：
pepper bacterial leaf spot;;pathogenic bacteria;;bactericide;;bactericide screening
摘 要：
In 2012-2015,a serious pepper bacterial leaf spot disease occurred in the main producing areas of Hainan Province.A bacterial strain was isolated from the diseased pepper leaves,and identified as Xanthomonas campestris pv.vesicatoria by pathogenicity test,Koch's postulates and molecular identification.Toxicities of 8kinds of bactericide were tested by plate confrontation method.The results showed that 6 agents have antibacterial effects,and 72%streptomycin WP was most effective,and followed by 47% kasugamycin· copper oxychloride WP,while 2% kasugamycin AS and 20% thiodiazole copper SC have no inhibitory action.Antibacterial activity differed significantly between the different agents,and the same agents with different formulation also had different antibacterial effects.
