十字花科根肿病的田间生防试验与材料的抗性鉴定

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1、万方数据未发病、在成熟期也都表现为抗性，具有用作育种材料的潜能。关键词：十字花科植物，芸薹根肿菌，生物防治，材料，抗性鉴定万方数据AbstractCrucifersclubrootissoil·bornediseases，itisverydifficultforitspathogenicbacteriahasthephysiologicaldifferentiation、livingalongtimeandObligateparasitic．Atpresem，BiologicalControlofclubrootDiseasesandbreed

2、ingdisease‘resistantvarietiesareconsideredtobethemosteconomic’S、securities’andeffective’Smeasures．ThisexperimentuseseveralresistanceidentificationtodofieldcontrolexperimentandthematerialofrapeidentifytheresistanceforCrucifersclub，Thepurposeistoascertainthecontr01effectofseve

3、ralresistanceidentificationforClubrootofcrucifersandtoresearchtheresistanceofthematerialofrapeforCrucifersclub，thusprovidingmaterialforthebiologicalcontrolofclubrootdiseaseandthebreedingofdisease-resistantvarieties．1．Thefieldcontrolexperimentofseveralresistanceidentification

4、forClubrootoferucifers．ThisexperimentdrugisactinomycetesF22—29fermentationandcoatedseed，actinomycetesF24—8fermentation；BacillussubtilisXF一1fermentationandresistanceagentSZG一7fiveresistanceidentification，andcomparewithchemicalsdrugKejia(10％Cyazofamid)andrinsing．theexperimentp

5、roceedfiledtrialexperimentforseedingstate，budperiodandmaturestagethreeperiodtotwokindsofCruciferousvegetableofrapeandpickleinDayicountyanddeterminetheproductionofpickle．Teresultsshow：1．1thecontroleffectonrapeandpickledtheresistanceagentSZG-7andBacillussubtilisXF-1expressionb

6、ettercontroleffectonrape；theresistanceagentSZG．．7andactinomycetesF22·-29coatedseedexpressionbettercontroleffectthanotherdisposeonpickle；thecontroleffectonpickleofactinomycetesF22—29coatedseedarebetterthanrape；thediseaseindexmagnifywiththeboostofgrowthperiod．1．2thedetermineab

7、outproductionofpickleTheresultsofthesurveyshowthattheacreyieldofKejia(10％Cyazofamid)islowestfor2406．54kg，theacreyieldofactinomycetesF22·29irrigatingrootsishighestfor3134．90kg，secondlyisresistanceagentSZG-7，theacreyieldis3054．86kg，therestdisposearenoobviousdifference．All万方数据b

8、iocontroldisposehavecontroleffectexceptthedisposeofactinomycetesF22·29coate