福州市外來入侵植物五爪金龍的為害、生物學特性及風險分析.pdf

1、福建農(nóng)林大學碩士學位論文福州市外來入侵植物五爪金龍的為害、生物學特性及風險分析姓名：林淳申請學位級別：碩士專業(yè)：農(nóng)業(yè)推廣植物保護指導教師：劉國坤黃詠俏20090401福建農(nóng)林大學碩士專業(yè)學位論文AbstractFive—fingeredmorningglory(Ipomoeacairica(L)Sweet)isaseriousinvasiveweedThedistributionanddamageof1cairicahavebeensu

2、rveyedforthefirsttimeinFuzhoudistrictTheresultsshowedthatLcairicaiswildlydistributedinFuzhoudistrictThemainreasonofwildlydistributionof1cairicainFuzhoudistrictismanmadeintroductionTheseriousdamagecausedbyLcairicaescapedt

3、ofieldinlocalregionTheknowledgeofLcairicaandrecognitiondegreeofdamagecausedbyLcairicaarelessforcommonpeoplebyquestionnaireandinterviewThesurveysofgrowthofLcairicainfourdifferentnaturalhabitatswereconductedTheresultsshowe

4、dthatLcairicawillrapidlygrowinsunnyhabitatswithladdertypeconsistedbyshrubandtreeThelifehistorycharacteristicsandGrowthcharacteristicsofLcairicaweresystematicallystudiedduringoneandhalfyearTheresultsshowedoverwinteringphe

5、nomenonof1cairicaisusuallynotobviousinwinterinFuzhoudistrictFreezeinjuryofleaveswasoccurredinanomalouslowtemperature，butstemhavestronggrowthabilityTheseedofIcairicadidn’tfoundinFuzhoudistrict，theresultsshowedthespreadofL

6、cairicaisvegetativepropagationThediseaseandinsectpestof1cairicahavebeensurveyedforthefirsttimeCassidacircumdataandLeccopteraquadrimaculataaremaininsectpest，andwillgivesomeinfluencetogrowthofLcairicaColletotrichumgloeospo

7、rioideshasbeenisolatedfromleaves，butlowpathogenicabilityhaveshowedininoculationexperimentFivespeciesofpathogennematodeshavebeencollectedfromsoilrhizosphereofLcairicaasfollows：Helicotylenchusdihystera，Aphelenchusavenae，He

8、licotylenchussp、Aphelenchoidessp)、FilenchusspTheresultsshowedthatfewnaturalenemiesisoneofthemainreasonsofseriousdamagecausedby1cairicaThenonplantparasitenematodeswithhighpopulationincluding4orders(Rhabditida，Monhysterida

9、，MononchidaandDorylaimida)werecollectedfromsoilrhizosphereofLcairicaIt’SindicatedthatleavedetritusofLcairicaisbeneficialtodevelopmentofpopulationsofthesenematodesRiSkanalysisof1cairicahasbeenmadeaccordingtosituationofFuz