1、中國農(nóng)業(yè)大學(xué)碩士學(xué)位論文毒芹揮發(fā)性成分分析及對布氏田鼠驅(qū)避作用研究姓名：戴忠平申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：施大釗20040601AbstractRepellenteffectisawaytoharmonizetherelationshipbetweenpestsandenvironment，Exploitingtherodentrepellentsfromplantmaterialshaspromisingapp

2、liedprospectThisworkwasbasedontheCicutavirosaL～whichwereextractedbyusingsteamdistillationandanalyzedwithGC／MS(gaschromatographyandmassselectivesystem)Boththeextractionbyusingetherandessentialoilswerecomparedandanalyzedre

3、spectivelybyTLC(thin—layerchromatography)techniqueTheanalyzingbasedonTLC，whichthechromatographicsolutionwashexanetoethylacetateamountto3to1andthethin—layerwasGF254，showedthattherewere7samplespotstotheetherextractions，4sa

4、mplespotstotheessentialoilsandtheRfvaluewere018，029，043and066，respectivelyTheanalysisdemonstratedthat40maincomponentswererevealedwithGCMSand32ofwhichwereidentified，upto9148percentThemaincomponentsoftheessentialoilscontai

5、nedunsaturatedalcoholsCinnamaldehyde，aprecursorofcinnamamide，whichisanidentifiedrepellent，wereshownintheessentialoils，IdentificationofessentialoilswillprovideafoundationforfurtherutilizationanddevelopmentNext，thepoisonou

6、scharacteristicandrepellenteffectivenessofessentiaIoilswerestudiedThepoisonoustestsshowedthatCicutavirosaLhasstrongexcitingeffectonBrandt’svoles’neD／ecentersystemUponCieutavirosaLtreatment，Brandt’svolesrefusedtoeat，lostw

7、eight，andhadimpaireddigestandliver，Innochoicetests，therepellenteffectsof50percentandI5percentCicutavirosaLwere6760percentand4192percenttoBrandt’svoles，respectivelyInchoicetest，therepellentforceof50percentand15percentCicu

8、tavirosaLwere6883percentand4I，56percenttoBrandt’svolesrespectivelyBothofthetestsshowedhighrepellenteffectThemolecularstructureofrepellentcomponentiscomplexExceptCinnamaldehyde，wedon’tknowwhetherothermoleculeshavecontribu