As sterile plants of DSW crossed male parents diversified in plant height respectively,fertile plants of progenies showed normal distribution for plant height,but proportion of semidwarfing plants was relatively high.

• 矮败小麦不育株与不同株高的父本杂交，后代可育株株高呈现偏父正态分布，且半矮秆植株的分离频率相对较高。