PesticideScienceandAdministration2023,44(7)应用技术22222222222222种种种种种种种种种种种种种种生生生生生生生生生生生生生生物物物物物物物物物物物物物物农农农农农农农农农农农农农农药药药药药药药药药药药药药药防防防防防防防防防防防防防防治治治治治治治治治治治治治治番番番番番番番番番番番番番番茄茄茄茄茄茄茄茄茄茄茄茄茄茄根根根根根根根根根根根根根根结结结结结结结结结结结结结结线线线线线线线线线线线线线线虫虫虫虫虫虫虫虫虫虫虫虫虫虫田田田田田田田田田田田田田田间间间间间间间间间间间间间间药药药药药药药药药药药药药药效效效效效效效效效效效效效效及及及及及及及及及及及及及及安安安安安安安安安安安安安安全全全全全全全全全全全全全全性性性性性性性性性性性性性性评评评评评评评评评评评评评评价价价价价价价价价价价价价价马明敏,李凡∗,史东∗(滨州市农业农村局,山东滨州256600)收稿日期:2023-3-23作者简介:马明敏,男,高级农艺师,主要从事农业技术推广及农业综合执法工作。联系电话:13805430685;E-mail:bznyzf@163.com。通讯作者:李凡,男,农艺师,主要从事农业综合执法工作。E-mail:bznyzf@163.com。通讯作者:史东,男,农艺师,主要从事农业综合执法工作。E-mail:bznyzf@163.com。StudyontheFieldEfficacyandSafetyofTwoBiopesticideAgainstTomatoRoot-knotNem-atodeMaMingmin,LiFan,ShiDong(BinzhouAgriculturalandRuralBureau,BinzhouShandong256600,China)Abstract:Tomatoproductionfacessignificantthreatsfromtherootknotnematode,apervasivesoil-bornedisease.Thisstudyinvestigatestheefficacyandsafetyoftwobiopesticides,paecilomy-ceslilacinus(1billionlivespores/gGR)andbacilluscereusl(1billionCFU/mlSC),againstthetomatoroot-knotnematode.Thefieldefficacyandsafetyoftwobiologicalnematicidesagainsttoma-toroot-knotnematodeswereevaluatedusingbothsprinklingandrootirrigationmethod.Thesafetystudyindicatedthatbothbiologicalnematicideswereremarkablysafefortomato,withsafetyfactorsof400%each.Furthermore,theresultsoffieldefficacytrialsshowedthatpaecilomyceslilacinus(1billionlivespores/gGR)andbacilluscereusl(1billionCFU/mlSC)providedover80%controlefficacyagainstthetomatoroot-knotnematodeandwassafefortomatoesatthetesteddoses.Theseresultssh...