不同芽孢杆菌对黄瓜白粉病的绿色防治效果

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关键词：贝莱斯芽孢杆菌（Bacillus velezensis）；枯草芽孢杆菌（Bacillus subtilis）；巨大芽孢杆菌（Bacilusmegaterium）；黄瓜白粉病；绿色防治效果；品质

中图分类号：S436.421.1；S476 文献标识码：A

文章编号：0439-8114（2025）07-0068-06

DOI：10.14088/j.cnki.issn0439-8114.2025.07.012 开放科学（资源服务）标识码（OSID）：口

Green biocontrol efficacy of different Bacillus strains against cucumber powdery mildew

SONG Yi-xing1，LIU Xin-yu²³，LIU Zheng²

（1.AgriculturalandRural Affairs Bureau of Yanjin County，Yanjin 4532Oo，Henan，China; 2.Institute of Rural Economy，Liaoning Academy of Agricultural Sciences，Shenyang 110161，China; 3.InstituteofOrganicRecycling（Suzhou），ChinaAgricultural University，Suzhou 2151OO，Jiangsu，China

Abstract：TheeffcacyofBacillsvelezensis（T2），Bacilussubtilis（T），andBcillsmegaterium（T4）againstcucumbrodery mildewandtheirimpactsonplantgrowth，yield，fruitqualityandtheantioxidantsystemwereevaluatedthroughfieldtrials，and three Bacilus treatmentswerecomparedtoachemicalfungicide（T1）andanuntreatedcontrol（CK）.Resultsdemonstratedthatall threeBacilus reatmentsectivelysuppressedpoderyldeandehancedplantgrowth，ield，andfruitquality，ithebit ingthemostpronouncedefects.IntermsofdiseasecontrolefcacyTchevedlevelclosetotatofthechemicalfungicideand significantlyoutperformedbothT3andT4.Regardingyield，T1producedthehighestyield，closelyfollowedbyT2.BothTandT2 yieldsweresignificantlygreaterthanthoseofteotherBacilustreatmentsandCK.Simlarly1showedoptimalplantgrowthpefor manceacross measuredindicators，withT2rankingsecond.BothTandT2significantlyexceededT3ndT4，whileal treatments surpassedCK.T2treatmentsignificantlyenhanedkeyfruitqualityparameters，includingsolubleprotein，freeaminoacid，soluble sugar，and vitaminCcontent，comparedtoCK.Furthermore，T2efectivelyincreasedphotosyntheticcapacity，significantlyreduced membranelipidperoxidationlevels，andboostedantioxidantenzymeactivity，demonstratingsuperiorantioxidantperformancerelative to T3 and T4.

KeyWords：Bacillselezesis;；acillusubtiis；Bcillsmegaterum；ucumbrpoderyle；reenocotrolfacquality

黄瓜（Cucumissativus）是全球广泛种植的重要经济作物，世界黄瓜生产总面积已超过 2.26×106hm2 其中，中国的黄瓜生产面积最大，已超过 1.28×106 hm2 ，截至2023年，中国的黄瓜产量约为 7.03×107t 占全球总产量的 77%[1] 。（剩余10291字）