韭菜遲眼蕈蚊（Bradysia odoriphaga）的可持續(xù)治理技術(shù)初步研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文韭菜遲眼蕈蚊（Bradysiaodiphaga）的可持續(xù)治理技術(shù)初步研究姓名：陳棟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)昆蟲(chóng)與害蟲(chóng)防治指導(dǎo)教師：張龍20050501中國(guó)農(nóng)業(yè)大學(xué)碩士論文摘要AbstractBradysiaodoriphagacausesgreatdamagetoChinesechivesinChinaandiscontrolledmainlybyusingchemicalinsecticides，causi

2、ngpollutiontoenvironmentsandproductsItisneededtofindanaitemativemethodforcontrolthepesttochemicalpesticidesThispaperpresentsthepreliminarystudiesofbiologybehaviorpopulationdynamicsandcontrolmethodsofBodoriphagainShouguan

3、gThemainresultsareasfollows：ThepopulationdynamicsofadultandlarvaeofBodoriphagainShouguangannuallywere6peaksofpopulationcurveinayear：duringearlyApril，lateApril，thelasttendaysofMay’earlyJune，themiddleofSeptemberandthemiddl

4、eofOctoberHoweverthehigherpeaksofCHIVESoccurringinspringInspringthereweretwopeaksoflarvaepopulationdynamics：duringlasttendaysofMarchandmidApril，andduringautumn，therewerealso2peaksinlasttendaysofOctoberandmidNovemherLjkea

5、dultsthepopulationoflarvaeinspringWasmorethaninautumnTheoverwinterdevelopmentalstagesofthemaggotwereat3“or40instarThespecialdistributionofBodoriphagalarvaeinsoilwassurveyedtooThelarvaemainlydistributed05cmindepthofsoil，a

6、nd05cmhorizontallyaroundthebulbsThedevelopmentaldurationofBodoriphagaeggwasshortestat25℃37daysamongthetreatmentsattemperaturesof10℃，15℃，20℃25℃and30℃whereasthoseoflarvaeandpupaeweretheshortestat30“C102dand29drespectivelya

7、ndgrewfasterwiththeincreaseoftemperatureThefemalelaythemostofquantityofeggsat25℃The∞xratiosrfemaletomale)Werel，5l、158and183at25“(230“(3and35℃respectivelyThephototaxisofthemaggotadultsWastestedwithdifferentcolordiscsandmo

8、stfavoritetolightwaveat449nmBasedontheresultsofstudiesonphototaixs，yellowstickytrapswerefirstlyusedtomonitorpopulationdynamicsofBodoriphaga，andcombinationwiththepopulationdynamicsoflarvae，itWasfoundtheintervalsbetweenfir

9、stpeaksofcurvesofpopulationsadultandlarvaewere15d，while7dbetweenthesecondpeaks，and7dbetweenthetllirdpeaksSomeinsecticidesincludingnicotine，abametic，andeyromazinforcontrolofBodoriphagawereselectedbothinlabandfieldtrialsTh

10、eresultsoffieldtrialswithinsecticidesinspringwerebetterthanthoseinautumnandsuitabledosagesofinsecticidestocontrol丑odoriphagaweredeterminedtooKeywords：Bradysiaodoriphaga，thedynamicsofpopulation，charactersustainablemanagem