The dwarf lines Qi_(31) and Wu_(202) as controlled by more than 3minor polygenes and having overlapping effects of both types of genes had intermediatedwarfing ability.

• 齐_(31)、武_(202)两个微效多基因矮秆系含有3对以上微效基因,它们与被研究的所有隐性单基因和微效多基因重叠效应矮秆系的致矮力都属中等。