【摘要】 采用４种不同方法，对甘蓝型油菜（ＣＭＳ）恢复系进行品质和性状改良。结果表明，杂种一代×品种间改良的恢复系生长势强、配合力高；利用多亲本复合杂交，子代的选择广泛，选育优质恢复系容易；而恢复系×恢复系、恢复系×品种只改良了恢复系的单一性状，配合力一般。更多还原

【Abstract】 The quality and some characters of restorer were improved by using four different methods The results showed that the vitality and combining ability of the restorer bred by means of F 1×variety are strong and high respectively; the selection of super quality restorer is in wide range and easy if with multi parents composite cross, but the single characteristic can only be improved and combing ability is low if with restorer×restorer and restorer×variety更多还原