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ID:33399122
大小:3.62 MB
页数:49页
时间:2019-02-25
《保定苹果主要害虫和捕食性天敌发生动态与害虫预测方法的分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据pheromonelureofA.orana.ThenumberofCponesiswereveryfewinbaggedappleorchards,only15to26malemothscouldbecapturedduringthewholesurvey.theresultindicatedthatbaggingtechnologycanbewellcontrolledthepopulationofthispest.A.citricolahadtwopeakperiodseachyearwhichoccurredinlatespring
2、andearlysummerandautumn,respectively.ThedamageinthefirstpeakWaSthemoreseriousthanthatinthesecondpeak.TheresultsofinvestigationindicatedthatthespeciesandquantityofthedominantspidermiteschangedwiththechangeoftheyearintheQilipuappleorchard.TetranychusviennensisZacherwasthedominan
3、tspeciesin2010,---2011.butPanonychusulmi(Koch)becamethedominantspeciesfrom2012.Thecorrelationanalysisshowedthatthenumberofactivitiesmiteshadasignificantpositivecorrelationwithmiteleafrate2·‘IIIleoccurenceregularitiesofmajorpredators111ethreekindsofpredatorshadamigrationpeakfro
4、mwheatfieldtoappleorchardinwheatmaturity.Inearlyspring,Theminutepiratebugswerethedominantspeciesinappleorchard.However,ladybirdbeetlesandlacewingswerethedominantspeciesinJuneandcouldcontrolledquicklypopulationofA.citricola.Mostpredatorsmovedawayfromtheappleorchardwhenthenumber
5、ofaphidsdeclined.3.TheforecastingofmajorapplepestsThroughdynamicmonitorofapplepestsforseveralyears,combinedwiththephenologicalperiodofappletreesandotherplantandtemperaturedata,thephenologyand之8"Ctemperatureaccumulationcorrespondingkeytimeofpestcontrolweresummarized.1heIPMproje
6、ctsofmainapplepestsforappleorchardsalsoweresummarized.Keywords:apple;pest;predator;occurrencedynamic;accumulation;phenology万方数据目录1引言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.1苹果园主要害虫种类及发生现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一11.2保定地区苹果主要害虫种类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..21.2.1梨小食心虫⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
7、21.2.2金纹细蛾⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21.2.3苹小卷叶蛾⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.2.4绣线菊蚜⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.2.5苹果叶螨⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.3苹果园主要捕食性天敌种类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..41.4苹果害虫预测预报研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..51.4.1发育进度预测法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51.4.2物候预测法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51-4.3期距预测法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51.4.4有效积温
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