在低芥酸油菜良种繁育过程中,其群体内互相杂交会导致芥酸含量的上升.因此育种部门提供的原原种芥酸含量必须稳定在0.427％以内,同样种子部门必须选择有自然隔离条件的山区或大型农场繁殖原种和原种一代,将芥酸含量分别控制在0.969％及1.95％以内,这样才能保证商品菜籽的芥酸含量小于5％. In low-erucic acid rapeseed breeding process, the cross-breeding within their populations will lead to erucic acid content increased, so the breeding department to provide the original seed erucic acid content must be stable within 0.427%, the same seed sector must choose natural isolation conditions Of the mountain or large-scale farms breed original breeds and original breeds, will erucic acid content were controlled at 0.969% and 1.95%, so as to ensure that the edible rapeseed content of less than 5%.