吡唑醚菌酯与生物农药混配对小麦条锈病防控及增产效果评价

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关键词：小麦条锈病；吡唑醚菌酯；生物农药；混配；防治效果；产量

中图分类号：S435.121.42 文献标志码：A 文章编号：2097-2172（2025）08-0762-06

doi：10.3969/j.issn.2097-2172.2025.08.013

Evaluation of the Synergistic Effect of Pyraclostrobin Combined with Biopesticides on Controlling Wheat Stripe Rust and Enhancing Crop Yield

LI Peiling 1，²，HUANG Jin²， SUN Zhenyu²， JIN Shelin²， CAO Shiqin²，ZHANG Bo² （1.Yuzhong Alpine AgriculturalExperimental Station，GansuAcademyof Agricultural Sciences，Lanzhou Gansu73ooo，Cina; 2.Instituteof PlantProtection，Gansu Academy of Agricultural Sciences，Lanzhou Gansu 73Oo7o，China）

Abstract：Toclarifythesynergisticefectsofbiopesticidesandpyraclostrobinoncontrollng wheat striperust （Puccinia striformisf.sp.triciandenancingcropyield，acombinationof greenouseptexperimentsandfieldeficacyexpeimentswere conductedtodeterminetheontrolectsofpraclostrobinombinedwithtwoiopestiides，wuyenciandaminoligosacideon wheastriperustandtheirimpactsonwheatyields.Thefindings indicatedthathecombineduseofpyaclostrobinwitheitherofthetwo biopesticidesresultedinsgnificantsynergisticectssupassingtheeicacyofpaclostrobinapledalone.Tetreatmentsotoly effectivelycontroledwheatstriperustbutalsomarkedlyenhancedwheatyieldandimportantagronomicfactors，includingousand kernel weightandyield.Themostnotablecontrolandyield-increasingefectswereobservedwhenpyraclostrobinandaminooligosaccharide were mixed at a 5：5 mass ratio.This mixture achieved a control ffect of 96.15% in greenhouse pot experiments. In the field efficacy experiment， the control effects were 86.03% and 85.23% at 7 and 14 days after applications， respectively. Additionally， the yield of wheat was significantly improved，with a yield increase of up to 79.22% . The study suggests that applying a mixture of aminooligosaccaridandpaclostrobincanasticallutdowntheequidamountofaclostrobinanceteontrolofatstripe rust，and markedly boost wheat yield.

KeyWords：Wheat stripe rust; Pyraclostrobin; Biological pesticide; Mixture; Control effect; Yield

小麦（TriticumaestivumL.）是全球重要的粮食作物，为全球 35%～40% 人口提供主食[1]。（剩余7899字）