石河子地區(qū)葡萄霜霉病菌孢子囊時空擴(kuò)散動態(tài)及品種抗病性研究.pdf

1、石河子大學(xué)碩士學(xué)位論文石河子地區(qū)葡萄霜霉病菌孢子囊時空擴(kuò)散動態(tài)及品種抗病性研究姓名：吉麗麗申請學(xué)位級別：碩士專業(yè)：植物病理學(xué)指導(dǎo)教師：李春李國英201106IIAbstractTheresultsshowedthattheincubationperiodfP.viticolaisabout46daysiftheenvironmentissuitablethediseasewilloccurrencepemic.Spatiotempald

2、istributionsofPlasmoparaviticolaweremonitedbyspetrappingtheirrelativitywithdiseaselevelsinvineyardwereanalysed.Thefoundingshowedthatamajityofspangiaflewwithinthevinecanopymostneartheground.Thenumberofspangiareducedbytheh

3、eightincreasingabovecanopy.TheDailydynamicsofspangiarevealedthatspangiumcanbecapturedwithin24hoursofadayhasdualpeakat8.0am8.0pmhigherat8.0pm.Thedynamicsofspangiumhaspositivecrelationwithtemperaturenegativecrelationwithhu

4、ityrainfall.TheresultofspetrappinginthereyearsdisplayeddthatthedynamicsofspangiumofPlasmoparaviticolahasmultipeakthereissignificantpositivecrelationbetweenthenumberofspangiadiseaseindexafter5daysinp0.01level.SpangiaofP.v

5、iticolawereobservedinearlyJuneitsepidemicperiodwasJunetoSeptemberitspeakobtainedatlastJulytoearlySeptemberaccompanyslopedowninShiheziregion.Byconsecutiveobservationof20082010threeyearsFromtheappearanceofspangiaifthecondi

6、tionsisrightthediseasewilloccurrenceatthespangiacatchingpeakiftheclimaticconditionsappropriatethediseasewillspreadedrapidlyin46days.Throughtheidentificationofdiseaseresistanceinfieldsurveysindooutdo，itwasdemonstratedthat

7、inseventestedvarieties，KrisonFlameseedlessismeresistanttoP.viticola，whereasRedGlobegrape，CentennialSeedless，SeedlessspurpleZixiangwuheRizazetaresusceptiblehiglysusceptible.Accountingspesofsinglespotofinfectedleavesthesiz

8、eofdiseasespotsofKrisonFlameseedlessissmallthenumberofspesinsinglespotisfewwhilethesusceptiblehiglysusceptiblevarietyhasoppositeresults.TheobservedresultunderscanningelectronmicroscoperevealedthatthestomataofKrisonFlames

9、eedlessissmallestthenumberofstomataisfewest.howeverthestomataofRizazetisbiggestthenumberofstomataismaximum.Therefpreliminarythinkthatthestomataofresistantcultivarfewersmallerwhilethesusceptibleonesislargedense.Theresultf

10、romDPSsoftwareshowedthatthetemperatureinJulyrainfallinAugustwerethemainfactwhichinfluencethediseaseseveritythenestablishedthediscriminantmodeltheaccuracyofthedatafbacktest100.0%.Theanalysisresultsbetweentheoccurrenceofdo

11、wnymildewofgrapemeteologicaldatashowedthatthediseasehaspositivecrelationwithrainfallhuitynegativecrelationwithtemperature.MeanwhileinitialperiodofgrapedownymildewisassociatedwithmeteologicalofearlyJunedleofJune.Keywds:gr