durum Dest(2n=4x=28, AABB)and Ae. ventricosa (2n=4x=28, DDM vM v) and then after the natural forming octoploid type. It was not clear what the chromosome groups were.

• 硬粒小麦 -偏凸山羊草六倍体类型 (简称硬偏麦六倍体类型 )来源于硬粒小麦 ( T.；durum Dest；2 n=4 x=2 8；AABB)与偏凸山羊草 ( Ae