贝莱斯芽孢杆菌PT1655对草莓促生及白粉病防治的双效作用研究

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Abstract：Toefectivelyenhancestrawberryproductioneficiency，thepowderymildew-susceptiblestrawberrycultivarBenioppe （Fragaria × ananassa'Benihoppe）wasselected asthe testsubject inthis study.Using diferentconcentrations of Bacillus velezensis PT1655fordripiigatiotosudyitsfectonthegowth-promotingofraberes，andforfoliarspraytosudyitsetonthe preventionandcontroloftrawberypowderymildew.Theresultsdemonstratedthatdripiigationwiththemicrobialagentsignificantly promotedstrawberygrowth.Treatments5OXand10OXexibitedoptimalconcentrations，withbothsignificantlyoutperformingthe controlinincreasingleafumber，ptiolelngthpetioledameter，leafea，inglefruitweight，ndtotalsolublesolds（oet. Average weights of fruits from 5OX and 10oX treatmentsreached 23.23 g and 21.83 g，respectively，with TSS contents of 16.9% and （204号 17.2% . Foliar spraying significantly suppressed powdery mildew，achieving a maximum disease control efficacy of 73.85 % . In conclusion， themicrobialagentdemonstratesfavorabledualaplicationeffectsinbothpromotingstrawberrygrowthandcontrolingstrawberry powdery mildew.

Key words：microbialagent;strawberygrowth-promoting; preventionandcontrolof powderymildew;dual-benfit ffects

草莓为蔷薇科（Rsaceae）草莓属（Fragaria）多年生草本植物，栽培范围广泛，现阶段草莓种植已遍布全球五大洲，成为广泛栽培的经济作物。（剩余7172字）