Aegilops tauschii is D-genome donor of common wheat,and the useful genes of Ae.tauschii can be easily transferred into modern commercial wheat by gene combination.

• 节节麦是六倍体普通小麦的祖先种之一，D染色体组的供体种；但其遗传变异远比普通小麦的D染色体组丰富。