河南省玉米杂交种选育工作回顾和展望 Ⅰ玉米杂交种选育工作回顾

回顾了河南省四十多年来玉米杂交种选育的工作历程和成果，对我国种植面积最大的新双一号和我国生产上应用的第一个单交种新单一号等的选育经验进行了总结。指出选育高产、高配和高抗自交系是选育、推广单交种的重要基础。

Review and Prospect in Maize hybrid Breeding Work of Henan Province Ⅰ Review of Maize Hybrid Breeding Work

This paper reviews the breeding work of over 40 years Maize hybrid in Henan province and summarizes the practicial experience of breeding Xinshuang 1,the double cross hybrid which was planted in greatest area in china,and Xindan 1 which was the first single hybrid in china maize production. it pointed out that to selected with the high yield, high combining ability and high resistance is the important base of single hybrid breeding.