人工诱变的谷类作物同源四倍体尚未应用于高产育种的领域。因而,在多数情况下,我们几乎不能指望通过对诱变同源四倍体后代的选择来提高种子结实性。然而,在某些异花传粉作物中,例如黑麦的四倍体育种已成功地获得很大程度增高的结实率和较高的子粒产量。自从三藤(Sando,1935)在二倍体苦荞麦 Artificially induced autotetraploid cereal crops have not been applied in the field of high-yielding breeding. Thus, in most cases, we can scarcely expect to increase seed set by selecting for the mutation of tetraploid offspring. However, in some cross-pollination crops, tetraploid breeding such as rye has succeeded in achieving a much higher seed setting rate and higher grain yield. Since three vines (Sando, 1935) in diploid tartary buckwheat