根际促生菌的促生和生防作用及其在烟草中的应用

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中图分类号：S572；S182 文献标识码：A文章编号：1007-5119（2025）04-0124-11

Abstract： Plant growth-promotingrhizobacteria （PGPR），agroupof microorganisms exhibitingremarkable growth-promotingand biocontrolactiviisanancesoilutrientavalablityromotepantdevelopment，ndonerprotectioagaistpntase andinsectpeststhroughnitrogen fixation，solublizationof phosphorusandpotassium，biosynthesisof plant hormones，and productionofsiderophores.Mechanisms bywhich plant growth-promoting hizobacteria influenceplant growthanddevelopment throughdirectorindirecteffectsarecomprehensivelyeviewedintispaper.Tepotentalandadvantagesofplantgrowtrooting rhizobacteriainpromotingtobaco（NcotianatabacumL.rowthviamultiplemechanisms，icludingtrogenfiation，poorus solubilizatiootoioisisdltiofbotic，reald.Frte，tatu of practicallyapplied plant growth-promotingrhizobacteria influe-curedtobao，clasified basedonfunctionssuchasnutritional growth promoonddaseadptstae，isued.eanilkeysssndrspodngotemesusding theapplicationofplant growth-promotingrhizobacteriaintobaccoaresummarized.Finall，thecurentchalengesandfuture development trends of PGPR are prospected，aiming to provide references for tobacco production and diseasecontrol.

Keywords： tobacco;plantgrowth-promotinghzobacteria; growth promotingmechanism; biologicalcontrol;diseasecontrol

在农业生产中，化肥及农药的过度施用，致使土壤理化性质恶化，进而对作物产量与品质造成负面影响[1]。（剩余31391字）