18805.利用植物資源和內(nèi)生真菌防治meloidogyneincognita效應(yīng)的研究

1、南開大學(xué)碩士學(xué)位論文利用植物資源和內(nèi)生真菌防治Meloidogyneincognita效應(yīng)的研究姓名：賈嘗申請學(xué)位級別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：阮維斌201205Abstract_——————————————————————————————————————————————一AbstractThepresentstudyconsistsofthreesectionsFirst，thereproductionofMeloidogynein

2、cognitain20plantspeciesbelongingto7familieswasevaluatedbasedonthereproductionfactor(R0inpottrialsSecond，potentialantagonismtowardsMeloidogyneincognitaofgrassendophyteassociationsandtheircorrespondingendophytesWasevaluate

3、dOnecultivatedgrassFestucaarundinaceacKentucky31，andtwowildgrassesAchnatherumsibiricumandLeymuschinensiswereincludedTheimpactsonegghatching，secondstagejuveniles(J2)mortalityJ2dlerIlotaxis，J2penetration，andreproductionwer

4、etestedFinallytheeffectsofentomopathogenicnematodesonMincognitachemotaxiswerepreliminarilyconductedAnthesestudiescouldgivedeepinsightintootknotnematodecontrolusingbiologicalresourcesThefollowingresultswereobtained1)Pachy

5、rhizusvulgarisLWasansusceptiblehost；BrassicanapusL，Giycinemax(L)Merrill，L“ffaeylindrica，RadixisatidisBrassicanapusLAlliumschoenoprasumL，Sorghumsudanense(Piper)StapKandZeamaysLweregoodhosts；MedicagosativaL，CucumismeloL，Sc

6、utellariabaicalensisGeorgi，Sorghumdochna(Forssk)SnowdenTriticumaestivumL，F(xiàn)estucaarundinaceaSchreb，SetariaitalicaandFestucaarundinaceawerepoorhosts；RicinuscommunisLoliumperenneLandSorghumbicolorX&bicolorvatSudanensewereas

7、signedasnonhosts2)ThecultivatedgrasstallfescueendophyteassociationhadnegativeeffectsonJ2penetration，J2chemotaxisandreproductionUndilutedculturefiltratesofendophytic劬百NcoenphialumcausedsignificantlyhighJ2mortality(726％)，a

8、ndtheculturefiltratessignificantlyinhibitedegghatching31EndophyteinfectedAchnatherumsibhqcumWasshowntosuppressJ2penetrationUndilutedculturefiltratesoftheendophyticfungicausedsignificantlyhighmortalityinMincognitaJ2。with9