From the above results, it can be indicated that the genetic variation of D-genome in synthesized hexaploid wheat was abundant and could be used to improve the genetic diversity in wheat breeding.

• 因此,人工合成六倍体小麦D染色体组中存在丰富的遗传多样性,可以作为拓宽普通小麦遗传基础的新的遗传变异来源。