1·Einkorn wheat is the donor species of polyploidy wheat. It is one of the important basic species of Triticum.
一粒系小麦是多倍体小麦染色体组的供体物种之一，是小麦的重要基础物种。
2·Since the first tetraploid watermelon was obtained in 1939, polyploidy breeding has always been the focus of watermelon breeding.
从1939年获得第一个四倍体西瓜以来，多倍体育种就一直是西瓜育种的一个热点。
3·This research had important significance in studies on the formation of polyploidy fish and fish breeding.
该研究在探讨多倍体鱼的发生及鱼类遗传育种方面具有重要意义。
4·Since the first tetraploid was obtained in 1939, polyploidy breeding has always been the focus of watermelon breeding.
从1939年获得第一个四倍体西瓜以来，多倍体育种就一直是西瓜育种的一个热点。
5·Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.
人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。