Ear length was used for genetic model analysis in summer millet. The result showed that ear length fit the model of additive-dominance and was mainly controled by additive gene, and belonged to partial dominamce.

• 对夏谷穗长进行遗传模型分析结果表明；穗长符合加性一显性遗传模型；且以加性效应为主；其平均显性度为0.；4504；属部分显性。