甜菜种子颗粒大,种仁却很小,而且包在坚厚的木质化花萼里,形成一个不规则的种球。生产上用的甜菜籽,一粒种球里包含有1～5个种仁,所以一颗种子能出1～5个甜菜苗,一般以2～4个种仁的居多。生产甜菜先进的国家,现在多使用一粒种子只出一苗甜菜的遗传单芽型品种或机 Beet seeds are large in grain size but have a very small seed kernel, and are encased in thick, lignified calyx to form an irregular bulblet. The beet seeds used in production are composed of 1 to 5 seed kernels in a seed ball, so 1 to 5 beet seedlings can be produced from one seed, usually 2 to 4 kernels. Advanced countries to produce sugar beet, and now use more than one seed only a seedling beet single genetic type buds or machine