杂交油菜新品种油研７号油研７号是贵州省油料科学研究所于１９８９年以我所发现并选育成功的低芥酸双隐性基因控制的核不育１１７Ａ为母本，双低品种中双２号（中国农科院油料所引进）为父本杂交，再以Ｆ２代中分离出不育株为母本与中双２号回交，回交组合种植套袋自交的... Hybrid oil rapeseed new oil Yan 7 on the 7th Oil Research Institute of Guizhou Province Institute of Oil in 1989 to my discovery and breeding of low erucic acid double recessive gene-controlled nuclear male sterile 117A as female, double low Variety Zhongshuang 2 (introduced by Chinese Academy of Agricultural Sciences oilseed) as the male parent, and F2 generation of sterile plants as female and Zhongshuang2 backcross, backcross combination bagging selfing. ..