黑龙江省农垦科学院选育的优质雄性不育三系杂交种“垦油1号”于1995年2月通过了省级品种审定，并正式推广，使我国春油菜进入户种植杂交种的新阶段。杂交春油菜的选育是以冬性雄性不育三系（陕2A、陕2B、垦C1等）为基础，通过春化、杂交、回交等，培育出了看性的不育系、保持 Heilongjiang Provincial Academy of Agricultural Sciences breeding of high-quality male sterility three-line hybrid “Kenyou 1” in February 1995 passed the provincial-level variety validation, and the official promotion of our spring rape entered the new stage of cross-planting hybrids. The breeding of hybrid spring rapeseed is based on the winter male sterile three lines (Shaan 2A, Shaan 2B, Ken C1, etc.) as the foundation, through the vernalization, hybridization, backcross, etc., to develop a sexual male sterile line, to maintain