现代农业科技2023年第7期植物保护学5种杀菌剂对猕猴桃黑头病的室内抑菌活性及田间防效研究王家哲1张锋1王天舒2常青1周搏航1付博1,3*(1陕西省生物农业研究所,陕西西安710043;2西安市农产品质量安全检验监测中心,陕西西安710199;3陕西省酶工程技术研究中心,陕西西安710043)摘要为筛选对猕猴桃黑头病有效的杀菌剂,以猕猴桃黑头病病原菌Diaportheeres为试验对象,采用菌丝生长速率法测定5种杀菌剂对其抑制作用,并进一步开展田间防效试验。结果表明,5种杀菌剂对病原菌菌丝生长均有较好的抑制作用,并且对猕猴桃黑头病的田间防效显著(P<0.05)。因此,这5种杀菌剂均可作为病害防治的有效药剂,特别是10%苯醚甲环唑水分散粒剂、25%吡唑醚菌酯悬浮剂和40%腈菌唑可湿性粉剂3种杀菌剂田间防效均达到85%以上,可作为优选药剂。关键词猕猴桃黑头病;杀菌剂;抑菌作用;田间防效中图分类号S436.63文献标识码A文章编号1007-5739(2023)07-0082-03DOI:10.3969/j.issn.1007-5739.2023.07.024开放科学(资源服务)标识码(OSID):IndoorAntibacterialActivityandFieldControlEfficacyofFiveFungicidesAgainstKiwifruitBlackSpotDiseaseWANGJiazhe1ZHANGFeng1WANGTianshu2CHANGQing1ZHOUBohang1FUBo1,3*(1Bio-AgricultureInstituteofShaanxi,Xi′anShaanxi710043;2Xi′anAgriculturalProductQualityandSafetyInspectionandMonitoringCenter,Xi′anShaanxi710199;3EnzymeEngineeringResearchCenterofShaanxiProvince,Xi′anShaanxi710043)AbstractInordertoscreenouteffectivefungicidesagainstkiwifruitblackspotdisease,Diaportheeres,thepatho-genofkiwifruitblackspotdisease,wasusedasthetestobject,andtheinhibitoryeffectsoffivefungicidesweredeterminedbythemethodofmycelialgrowthrate,andthecontrolefficacywasfurthertestedinthefield.Theresultsshowedthatfivefungicidesallhadgoodinhibitoryeffectonmycelialgrowthofthepathogenicbacterium,andthefieldcontroleffectonkiwifruitblackspotdiseasewassignificant(P<0.05).Therefore,thefivefungicidesallcanbeusedaseffectiveagentsfordiseasecontrol,especiallythethreefungicides,10%difenoconazoleWG,25%pyraclostrobinSCand40%myclobutanilWP,haveafieldcontrolefficacyofmorethan85%,whichcanbeusedaspreferredagents.Keywordskiwifruitblackspotdisease;fungicide;antibacteria...