%0 Journal Article %T TheunstabilityofcytoplasmicmalesterilityofBrassicanapusL. %A 宋文光 %A 管荣展 %A 任乐见 %J 华北农学报 %P 40-44 %D 1993 %R 10.7668/hbnxb.1993.S2.007 %X Theunstabilityofcytoplasmicmalesterilities(CMS)ofBrassicanapusLwasstud-iedfrom1989to1992,andtheresultsindicated:1.Theoccurrenceoftrace-pollenplantsInsterilematerialswascausedbynuclearpolygenesofthemaintainers;2.Progeniesofpartialsterilitytypeshowedsegregationofsterile,partiallysterile(withtracepollen)andfertileplants;3.HighandlowtemperatureCMSlineswerecrossedanditsprogeniesmanifestedcomplexsegregation;4.TherewasatendencytoincreasethefertilitywithsuccessiveselfingofthehightemperatureCMSline. %K BrassicanapusL. %K cytoplasmicmalesterility %K unstablesterility %K partialsterilitytype %U http://www.hbnxb.net/CN/abstract/abstract6444.shtml