小麥白粉菌對殺菌劑敏感性測定及不同敏感性菌株RAPD標(biāo)記.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文小麥白粉菌對殺菌劑敏感性測定及不同敏感性菌株RAPD標(biāo)記姓名：夏燁申請學(xué)位級別：碩士專業(yè)：植物病理學(xué)指導(dǎo)教師：劉學(xué)敏2003.6.1MonitoringofsensitivityofBlumeriagraminisfsptriticiisolatestofungicidesandtheRAPDmakersoftheisolateswithdifferentfungiIeidesensitivityAbstract

2、111e‰gitideresistanceofwheatpowderymildew∞lumeriagrcaninisfsptritf『ci)totriadimefonwasmomtcaedandtheisolates，whichmexdleetedfromB兩illg，Shandong，Shanxi，Hebei，Henan，Hubei，Siehuan，JiangsuandXnijiangiIl2001and2002，weretested

3、11IeresultsshowedthatthemeanresistanCefactor(Rf)WaS1608and3048in2001and2002，respectively3366％and3670％，respectivelyin2001and2002，oftestedisolatesshowedtheaverageresistancefactoroftentofortyfoldsmorethanthatofthesensitiveo

4、nesThehighestresistancefactordetectedwas25846in2001anditwas14297in200211lefrequencyofisolatesofresistancefacetorOVer40Was39鉑and2752％in2001and2002respeetivelyTberesultindicatedthattheresistanceofthewheatpowderymildeWtoIri

5、adimefonisstillaproblemthatcannotbeignored11忙resultsofOorsludyprovidedareferenceformanagementoftheresistanceofwheatpowderymildewasweltasthedevelopmentandtheuseoffungicidesTheSellsitivityofwheatpowderymildeWtotwoslrobihir

6、infungicidesSYPZ071andBAS490Fwasmonitoredandtheisolates，whichwereenlistedfmmBdjilg，Shandong，Shanm，Hebei，HenanHubei，Sichuan，JiangsuandXinjiangin2001and2002，respectivelyweretestedTheresultsshowedthattheaverageEC50ofthebase

7、1inesensitivityofWheatpowderymildewtoSYPZ071is5789Ⅱg／mlandthatofBAS490Fis8582ug／mJwhenusingseeddressinganddetaebedleafsegmentmethodByusingthecorrelationanalysis，WCdrewthecendusionthattherewasnocrOSSresistanceinBluraenagr

8、amtnis￡sptrtticibetweentriadimefonandSYPZ07Iorbetweentriadimefonand8AS490FwhichindicatedthatthecombinatiOilsoffungicidesofDMIsandsbobihirius∞uldbeaneff∞tivemeasuretocon打olthediseaseandaneffectiveantiresistancestrategytob

9、othofthesetwokindsoffungicidesneresultsofourstudywillprovideardmmceforthedcvelopmeatandtheuseoffungicidesstlldic也∞wellastheestabliskmentofantiresistances鋤蝴tothesefungicidesRandomprimorswcaeusedtoamplifysomeisolateswithdi