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作者利用美国玉米单交种XL80育成适应性强、配合力高、自身产量高的自交系1029。各地用1029已经组配多种杂交组合在生产上利用,表现制种产量高,杂种产量高而稳定;早熟,适合胶东地区夏播;抗大、小叶斑病,抗旱、耐瘠、适应性强;灌浆快,活秆成熟,粒大,籽粒品质好。本文概述了1029的选育经过,本身特点及其利用;并就1029的育种实践讨论了一些育种理论问题。
The author used the American corn single cross XL80 to cultivate inbred lines 1029 with high adaptability, high combining ability and high yield. 1029 has been used in various combinations with a variety of hybrid combinations in production, the performance of high seed production, high and stable hybrids yield; early maturing, suitable for summer sowing in Jiaodong; resistance to large and small leaf spot, drought, barren, adaptability ; Grouting fast, live straw mature, large grain, good grain quality. This paper summarizes the breeding process of 1029, its characteristics and its utilization; and discusses some breeding theory questions about 1029 breeding practice.