腈菌唑在小麥上的示蹤及對(duì)小麥種苗期主要病原菌的抑制作用.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文腈菌唑在小麥上的示蹤及對(duì)小麥種苗期主要病原菌的抑制作用姓名：楊峻申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：植物病理學(xué)指導(dǎo)教師：李健強(qiáng)劉西莉2002.5.1ABSTRACTBasedonthepracticeanddevelopmentofwheatseedtreatment，integratedmanagementofimportantwheatseedlingdiseases，andresearchprogressofmyclo

2、butanil，labeledsynthesisofmyclobutanilandtraceresearchinwheatseedlingwerestudiedbymeansofisotopetechnologyTheinhibitingeffectandtoxicityofmyclobutanil，thiramandbothtwochemicalsinoneformulationonthegrowingofimportantseedb

3、orne，soilbomeandair—bornepathogensinfectingwheatseedling，andtheeffectofmixedformulationontheinfectionofBlumeriagraminisfsptriticfwerealSOtestedTheresultsshowedthatlabeledsynthesizeof14Cmyclobutanilwas89％content，854％harve

4、stingratio，andmP65457℃Traceexperimentindicatedthattheradioactivityinthetreatedrootat23leavesstageofwheatseedlingdroppedfrom5989％to2487％、vitll6h120htreatmentbyroot—dippingin”C—myclobutaniTheaccumulationofradioactivityinth

5、estembaseandleavesincreasedfrom1418％and119％to1947％and3375％respectivelyCmyclobutanilcouldbeabsorbedandtranslatedtothetopofwheatseedlingwimahighspeedThedistributionandaccumulationof14Cmyclobutanilradioactivityinwheatleaves

6、presentedpositivecorrelationwithtreatmenttimeofrootdippinginthechemicalsolution，theradioactivityfrom653dpm(6h)raisedto71644dpm(120h)Automdiographexperimentshowedthat14C—myclobutanilcouldbeuptakeanddistributedinwholeseedl

7、ing120hafterroottreatmentnletoxicityofMyclobutanil，thiram，andmyclobutanilthirammixedformulationtowheatpathogensweretestedinlabbymeansofpetri—dishandleafsegmenttestingTheresultsshowedthatmyclobutanilprovidedagoodcontrolfo

8、rOphioboiusgraminis，Blumeriagraminisfsptritici，RhizoctoniasolaniandFusariumgraminumwithEC50of0180，0197，O994and16231xg／ml，respectivelynlepreparationof15％Myclobutanil—thiramseedcoatingformulation(4：l，w／w)expressedmagnifyef