1目前生产上用的“母系混合选择法”的简介及缺陷目前生产上用的大白菜提纯复壮的方法通常是“母系──混合选择法”。这种方法主要是通过1～2代的母系选择后进行混合采种，这样便会得到提纯复壮的种子，这种方法最大的缺陷就是必须经过大株采种，大白菜种株要经历营养生长，冬 A Brief Introduction and Defects of “Matriarchal Selection” in Production At present, the method of purifying and rejuvenating Chinese cabbage used in production is usually “matrilineal - mixed selection method”. This method is mainly through 1 to 2 generations of maternal choice after mixed mining, so that will be purified and rejuvenated seeds, the biggest drawback of this method is that must go through a large plant seed collection, cabbage plants to undergo vegetative growth, winter