Aegilops species with D genome are the secondary gene pool of hexaploid common wheat for exploiting desired genes of wild species and enhancing the genetic diversity of commercial wheat varieties.

• 具有D染色体组的山羊草属种是六倍体普通小麦的二级基因源,蕴藏着丰富的抗性基因和遗传变异丰富,可供现代小麦改良利用。