[1]陈悦,孙东晗,孙于淼,等.吉林省西瓜蔓枯病病原鉴定及室内药剂筛选[J].北方园艺,2020,44(23):16-23.[doi:10.11937/bfyy.20200361]
　CHEN Yue,SUN Donghan,SUN Yumiao,et al.Pathogen Identification and Screening of the Fungicides of Citrullus lanatus Gummy Stem Blight in Jilin Province[J].Northern Horticulture,2020,44(23):16-23.[doi:10.11937/bfyy.20200361]

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吉林省西瓜蔓枯病病原鉴定及室内药剂筛选

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第44卷期数: 2020年23 页码: 16-23 栏目: 出版日期: 2020-12-15

Title:: Pathogen Identification and Screening of the Fungicides of Citrullus lanatus Gummy Stem Blight in Jilin Province

作者:: 陈悦1; 2; 孙东晗1; 孙于淼1; 赵廷昌3; 白庆荣1; （1.吉林农业大学植物保护学院,吉林长春 130118；2.黑河市农业农村服务中心,黑龙江黑河 164300；3.中国农业科学院植物保护研究所,北京 100193）

Author(s):: CHEN Yue1; 2; SUN Donghan1; SUN Yumiao1; ZHAO Tingchang3; BAI Qingrong1; (1.College of Plant Protection,Jilin Agricultural University,Changchun,Jilin 130118；2.Agricultureal and Rural Service Center in Heihe,Heihe Heilongjiang 164300;3.Institute of Plant Protection,Chinese Academy of Agricultural Sciences,Beijing 100193)

关键词:: 西瓜; 蔓枯病; 病原鉴定; 药剂敏感性

Keywords:: Citrullus lanatus; gummy stem blight; pathogen identification; fungicides susceptibility

DOI:: 10.11937/bfyy.20200361

文献标志码:: A

摘要:: 以发病西瓜叶片为试材，采用组织分离法对采自吉林省7个市县的西瓜蔓枯病菌进行分离和致病性测定。并采用菌丝生长速率法测定了不同产区西瓜蔓枯病菌代表菌株对24种杀菌剂的敏感性，以期筛选出对防治西瓜蔓枯病的有效药剂。结果表明：通过形态学特征及三重PCR序列分析，共获得334株西瓜蔓枯病菌，332株为Stagonosporopsis citrull，为优势种，2株为S.caricae；不同地区代表菌株对相同药剂的敏感性有轻微差异；病菌对450 g·L-1咪鲜胺EW等16种杀菌剂表现出较高的敏感性，EC50<20.0 mg·L-1。

Abstract:: Pathogens which caused Citrullus lanatus leaves were gotten by tissue isolated method.Species identification of Citrullus lanatus gummy stem blight in 7 cities and counties of Jilin Province was done by pathogenicity,and the susceptibility of the pathogen representative strains in different areas to 24 fungicides was tested to determine effective treatments for controlling Citrullus lanatus gummy stem blight by the method of mycelia growth rate.The results showed that morphology and triple PCR.334 strains of Stagonosporopsis spp.were obtained,including 332 dominant strains of S.citrulli,and only two strains of S.caricae.the sensitivity of representative strains from different area to the same fungicides was slight different significantly.The pathogen was high sensitive to 16 fungicides including 450 g·L-1 prochloraz EW,their EC50 value lower than 20.0 mg·L-1.

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备注/Memo

第一作者简介：陈悦（1994-），女，硕士研究生，研究方向为植物病害综合治理。E-mail:153110682@qq.com.责任作者：白庆荣（1975-），女，博士，教授，现主要从事植物病害综合治理等研究工作。E-mail:bbbqqqrrr@163.com.基金项目：国家重点研发资助项目（2018YFD0201300）；国家西甜瓜产业技术体系资助项目（CARS-25）。收稿日期：2020-02-01

更新日期/Last Update: 2021-02-18