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华北农学报 1993
TheselectionandapplicationofTuMVresistantgerm-plasmofChinesecabbageDOI: 10.7668/hbnxb.1993.S2.016, PP. 87-91 Keywords: Chinesecabbage,diseaseresistantgermplasm,turnipmosaicvirus Abstract: "8407"isadiseaseresistantgermplasmofChinesecabbagewhichishighlyresis-tanttoturnipmosaicvirus(TuMV),selectedbytheVegetableInstitute,HebeiAcademyofAgri-culturalandForestrySciences.In1985and1989,itwasapprovedandacceptedasoneofthena-tionaldiseaseresistantgermplasmofChinesecabbagebytheNationalExpertGroup.Theidentifi-cationin1989showedthat"8407"washighlyresistantorimmuneto19TuMVstrainsfrom10provinces/citiesacrossthecountry.Therefore,itwasregardedasthebestgermplasmbothverti-callyandhorizontallyresistanttoTuMVofChinesecabbage.ThisgermplasmwasselectedfromChangPaodan(InnerMongolia)ofQingmayesystemafter6generationsofsuccessiveselfcross.Usingthediseaseresistantgermplasmof"8407",wedevelopednewmulti-resistantvarietiesof"8361"and"8612"in1983and1986respectively,whichwashighlyresistanttoTuMVanddownymildewandsoftrot.Thesevarietieshavebeenextendedtoanareasofover20000ha.
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