各种秋萝卜繁种,人们都习惯于采取秋天选母根,冬天贮母根,来春栽母根的做法。可是这种方法弊病多。按要求,作种用的母根,应当选留无病虫为害、植株生长健壮、具有原品种特性的大萝卜。可是这样一来,母根的选留量就会很多,既不便冬季贮存,又加大了繁种成本。在这种情况下,有些地方的群众,就选留那些个头小的萝卜作母根,这样所有的退化植株就被保留下来了,退化植株的 A variety of autumn radish species, people are accustomed to take the fall election mother roots, winter storage mother roots, spring planting root practice. However, this method more ills. As required, for planting seedlings, should be selected to stay without pests, plants grow robust, with the characteristics of the original varieties of radish. However, as a result, the mother of the election will be a lot of reserves, both in winter storage, but also increased the cost of breeding. Under such circumstances, the masses in some places choose to leave those small radish as the mother roots, so that all the degraded plants are preserved and the degraded plants