Abstract
Abstract
Inthispaper,accordingtotheoccurrenceofwalnuttreepestsinWuanarea,
selectedZhishouyuanWalnutGardeninYangyiTown,Wuancityasasample,
throughliteraturereview,questionnairesurvey,fieldsurveymethodtothemain
speciesofpestsinthepark,harmperiod,harmsymptomswereinvestigatedindetail.
Inaddition,fieldtestshavebeencarriedoutonthecontroltechnologyofmajorpests,
andthemainresultsareasfollows:
1.Accordingtotheinvestigationofwalnutpestspeciesinzhishouyuanof
Wuancity,14speciesofwalnutpestsand9speciesofmainpestswerefound,
Geometridxylophilus,Holotrichiamelanotrichia,grayweevil,longicornbeetle,beetle
beetle,HemipteraJuglans,Parameciumcorpulenta,mulberryscaleandgreen
leafhopper.Fiveminorpests,Redspider,teawingbug,peachmoth,whitestarflower
beetle,greenbug.
2.Theoccurrenceof9mainpestswasinvestigatedindetail,andtheoccurrence
regularity,occurrencetime,damagelocationandsymptomswereconcludedthrough
analysis.
3.Controlexperimentswithchemicalreagentswerecarriedoutfor9mainpests,
andeffectivechemicalreagentswereobtainedbyscientificanalysisandcomparison
oftheircontroleffects.Thecontroleffectof25%carbarylEC1000timessolution
wasbetter.Thecontroleffectof0%zincthiophos1000timessolutionongeometrid
wasbetter.Thecontroleffectof50%fenitrothion1000timessolutiononParamecium
wasbetter.Thecontroleffectof40%chlorpyrifos1000timessolutiononTomicus
flavipectuswasbetter.Thecontroleffectof50%mixtureof1000timescarbendazim
wasbetter.Thecontroleffectof25%malathion1000timessolutionwasbetterthan
others.Thecontroleffectof25%greenWilly1000timessolutiononMonochamus
alternatuswasbetter.Thecontroleffectof2%abamectin1000timessolutionon
weevilisbett