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1、貴州大學碩士學位論文喜樹小綠葉蟬生物學、生態(tài)學及防治研究姓名:龍同申請學位級別:碩士專業(yè):動物學指導教師:熊繼文20060501貴州大學2006屆碩士學位論文AbstractEmpoascaacuminatespnovasthedominantpestofCamptothecaacuminataDecnewasanewspeciesTheBiologiealandEcologicalcharactersandControlofitwas

2、systemicallystudiedforthefirsttimethesummarywereasfollows:1AnalysisonseasonaldynamicsofpopulationnumberofEacuminateonCacuminateshowedthat也erewasonlyonepeakpmodofthepopulationnumberofitinLiuzhiofGulzhouprovincein2005Itspe

3、akperiodrangedfromSeptoOct2213Eacuminatewerecatchedby100collectingnetswhichwereusedtocatchinsectspeciallyEacuminatehibernatedinweedsduringwinterbyadults2hIthefieldcommunityofCacuminatefromSeptember13to17tllediversityands

4、tabilityofthemainnaturalenemiesandEacuminatewereanalyzedTheresultshowedthatinsectpopnlationofLuobiewasmorethanotherfields;theindexofSimpsonandShannonWienerinAchawere07974and23384respectivelywhichwerethehighestthanotheron

5、es;andinsectcommunitvwasthestablestbecauseCacuminatewasplantedwithothererops;theharmsofEacuminateinLuobieandSuogawereheavilybecauseCacuminatewereplantedinbigfieldwithlittleothercropsandtteeswhichcausedthelowdiversityandt

6、heunstableinsectcommunityTemporalnlchesofEacuminateanddominantnaturalenemiesinCacuminatefieldwereestimatedfromMarch2005toJanuary2006TheTemporaldistributionofthisspeciesonSep29washighestoccuping2485percentThepopulationoft

7、hespidercategoryfoUowedthepopulationofEacuminatecloselyTheharmofEuseelinarecategoryandEacuminatenfixedheavilyTheindexofoverlapniehesbetweenEacuminateandspidercategorywas05981itshowedthatspidercategoryasakindofnaturalenem

8、yofpestconldhaveagoodcontrolofpest3ThespatialdistributionpatternandsamplingtechniqueofEacuminatewerestudied,therewasnoobviOUSdistinetiunamongthesamplingmethodSoftfivepointtype,randomtypeandmonodiagonal—typesamplingtechni

9、quesnledensitiesofnymlolhsandadultsoftIlespeciesweredistinctlydiffercntineastsouth,westnorth,itwasbiggestinthenorth;buttherewasnoobviousdistinetionin1—6leavesAIIindexesindicatedthatthedistributionofEacuminateintlleleaves

10、accordedwiththeaggregatepatternThenymphsandadultsaccordedwiththemodeofnegativebinomialdistribution4ThedevelopmentalperiodofEacuminatewasshorterwithhighertemperatureasawholeThethresholdtemperaturesfortheeggpreovipositiona

11、ndcompletegenerationwere801,1202,1019℃:theeffectivetemperatureslimsforthesestageswereassessedat21833,19422and62359degreedayrespectively5Thedeathrateof也efirstinstarnymphthesecondinstarnymphofEacuminatewerehighinerverytemp

12、eraturenlcratioofsexwasnearlyl:111leadultswerestrong,theadaptingabilltywashighthefirstinstarthesecondinstarwerethebeststagestobecontrolcd,especiallytheoriginalinstarUndertheconditionof18士1℃thelifeofperfemaleitsthelongest

13、oneintheseexperimentswas1229332daysitwas447143daysas也eshortestunder27士1℃皿ehigherthetemperaturewas,thebiggertheintrinsicrateofinelease(r)was:itwashighestundertheroomtemperature(theaveragetemperaturewas26℃),butitwaslowestu

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