阐述了郑单958等4个对我国玉米产业发展有较大影响的郑单系列玉米品种选育的过程,分析了郑单系列玉米品种对我国玉米育种和生产的推动效应,并对今后郑单系列玉米品种的发展进行了探讨。 This paper expounds the process of Zhengdan series maize breeding such as Zhengdan 958 which has great influence on the development of maize industry in our country. It analyzes the promoting effect of Zhengdan maize variety on maize breeding and production in our country, The development of a series of corn varieties were discussed.