白菜类蔬菜种质资源在油菜育种中的应用.研究

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1、3893％．Moreover，Chinese—cabbageandNo—headingChinese—cabbagehavemoregermplasmresourceswithover45％oilcontent，SOsomelineswithmoreoilcontentmaybeselectedthroughsingledirectionalselection．2．2Theanalysisresultoffattyacidcomponentsindicatedthatoleicacidcontentofv

2、egetableofBrassicacampestrisishigherthanBrassicanapus，andsaturatedfattyacidcontentofChinese—cabbageandNo—headingchinese-cabbageislowerthanBrassicanapus．Therearenotlowerucicacidmaterials，buttherearehigherucicacidmaterials，whicherucicacidcontentisover55％．Th

3、iswillprovidedifferentgermplasmgeneforqualitybreedingofrapeseedandspecialrapeseedbreedingwithhigherucicacidusedinindustry．2．3Fromtheanalysisresultofglucosinolatescontent，itWaSdiscoveredthatthereweretowglucosinolateresourcesinvegetableofBrassicacampestris，

4、andtheycamemostlyfromChinese·cabbage．Fromglucosinolatecomponents，glueosinolateofvegetableofBrassicacampestrisisGluconapinmainly,anditisover70％oftotalglucosinolates．Otherglucosinolatecomponentswereless．ItisdifferentfromBrassicanapus，whichglucosinolateismai

5、nlyProgoitrin．SolowerglucosinolatevarietiesmaybeselectedbycrossingbetweenthevegetableofBrassicacampestrisandBrassicanapus．Besides，high-glucosinolateinNo-headingChinese·cabbagehaSmedicalvalue．2．45materialswithproteincontentover27％wereselectedthroughprotein

6、contentanalysis．2．5Accordingtoprinciplecomponentanalysisof8qualitycharacters，9materialswerescreenedoutfortheirbetterintegratedqualitycharacter．Theywillbecomegoodmaterialsinrapeseedbreeding．3ApplicationstudyThevegetableresourcesofBrassicacampestriswerefirs

7、tdirectlyappliedindomesticrapeseedbreeding．CrosswasdonebetweenmalesterilelineBailAwith46．65％highoilcontentofChinese-cabbageandrestorerCH334ofBrassicacampestris，andcrosscombinationBalzayouNo．2WaSobtained．whichoilcontentis45．5％andyieldis2303．85kgham‘．Atpres

8、ent，thevarietyhasbeenintheregiontestindrylandneartheNorthofRiverWeiinShaanxiprovinceandtheregiontestofJiangxiprovince．ItwillprovethatvegetableofBrassicacampestrisgermplasmgeneshaveimportantapplicationvalueforselecti