农业环境科学学报JournalofAgro⁃EnvironmentScience2022,41(12):2810-28162022年12月李运朝,李洪涛,及华,等.不同生物制剂对南方根结线虫杀虫活性与防治效果[J].农业环境科学学报,2022,41(12):2810-2816.LIYC,LIHT,JIH,etal.InsecticidalactivityandcontroleffectofdifferentbiologicalpreparationsagainstMeloidogyneincognita[J].JournalofAgro-EnvironmentScience,2022,41(12):2810-2816.开放科学OSID不同生物制剂对南方根结线虫杀虫活性与防治效果李运朝1,李洪涛1*,及华1,李俊花1,李超楠1,2,章丽1,金小艳3(1.河北省农林科学院生物技术与食品科学研究所,石家庄050051;2.河北农业大学植物保护学院,河北保定071000;3.中农绿康生物技术有限公司,北京102101)InsecticidalactivityandcontroleffectofdifferentbiologicalpreparationsagainstMeloidogyneincognitaLIYunchao1,LIHongtao1*,JIHua1,LIJunhua1,LIChaonan1,2,ZHANGLi1,JINXiaoyan3(1.InstituteofBiotechnologyandFoodScience,HebeiAcademyofAgricultureandForestrySciences,Shijiazhuang050051,China;2.CollegeofPlantProtection,HebeiAgriculturalUniversity,Baoding071000,China;3.SinoGreenAgri-BiotechCo.Ltd.,Beijing102101,China)Abstract:ThisstudyexplorestheinsecticidalactivityandcontroleffectofdifferentbiologicalagentsonMeloidogyneincognita.TenBacillusspeciesandtwokindsofPrunusarmeniaca(apricot)shellwoodvinegarwereisolatedandculturedinourlaboratoryandweretestedfortheirinsecticidalactivityscreeningagainstMeloidogyneincognita.Thecontrolefficacyoftheselectedagentswasverifiedusinggreenhousepot-grownandfield-growntomatoesastestingplants.TheindoorbioassayverificationtestshowedthatthefermentationbrothsoffourBacillusstrainsandthewildP.armeniacashellwoodvinegarhadgoodpoisoningeffectonMeloidogyneincognita.ThecorrectedmortalitiesfortheBacillusfermentationbrothswere84.9%forstrainXYG169,100%forBMT295,97.9%forstrainBMT256,and80.7%fortheYLT74.Thecorrectedmortalityratesofnematodeswith100-fold,200-fold,400-fold,600-foldand800-folddilutedsolutionsofP.armeniacashellwoodvinegarwere100%,100%,92.8%,65.4%,and42.5%,respectively.Thepotexperimentinthegreenhouseshowedthatthecontroleffe...