茄根腐病病原鑒定及其抗藥性和防治技術研究.pdf

1、南開大學碩士學位論文茄根腐病病原鑒定及其抗藥性和防治技術研究姓名：王勇申請學位級別：碩士專業(yè)：微生物學指導教師：邢來君楊依軍2001.5.1JAbstractRecently，asoilbornediseaseeggplant1ootrotbrokeoutseriouslyinTianjin，whichcausedplantrootstorotanddie，andeffectedtheproductionofeggplantheavil

2、y，Inthispaper，westudiedtheidentification，characterizationandresistancetOfungicidesofeggplantrootrotpathogens，usinggraftingtOcontrolthissoilbornediseaseWecollectedandseparatedseventyfourstainsofpathogensfromtheinfectedegg

3、plantinthefieldandgainedtwospeciespathogensTheidentificationresultssuggestthatthe。isolatorsbelongtoFusariumsolani(mart)SaccandFusariumsolaniVarcoeruleum(Sacc)BoothrespectivelyStudiesonthecharacterizationsofpathogensshowt

4、hattemperatureandpHvaluehavelargeeffectonthepathogens，whilenitrogen，phosphorusandpotassiumnutrienthavenotobviouseffectAtpresent，therearenocultivarswhichhavehighdisease—resistantWetestedtheresistancetOfungicidesofeightyfo

5、urpathogenstrains，whichwereisolatedfromtheinfectedeggplantsinTianjinSomeofthesestrainshaveshowedhighresistanttocarbendazim，thiophanatemethyl，metalaxyl，chlorothalonil，thiramandhymexazol，wealsostudiedtherelationshipofcross

6、resistantbetweenthesefungicidesFromtheresults，wehavedevelopednewpesticides55WPGen—rulingand50WPGen—fujingAtlast，westudiedgraftingtechniquestocontroleggplantrootrot，andscreenedsomesuitablestockssuchasTelbame，Gangguoetcfor

7、plantinginTianjin，whichpossesshighdiseaseresistantabilitytoFusariumrootrotandFusariumwiltWealsostudiedthekeytechniquesofgraftingKeywords：eggplantrootrot，F(xiàn)usariumsolani(Mart)Sacc，F(xiàn)usariumsolanivarcoeruleum(Sace)Booth，Iden