利用轮回选择法选育“53”玉米自交系

Breeding the“53” corn inbred line by recurrent selection method

摘要: “53”玉米自交系是利用9个优良玉米自交系组成基础群体经2次开放传粉后自交选育而成。试验示范结果表明，“53”玉米自交系具有高抗大小斑病和青枯病，抗玉米丝黑穗病，中抗玉米矮花叶病及粗缩病性能以及抗倒伏性强，配合力高，自身产量高，生育期适中等优良性状。

Abstract: The“53”corn inbred line is bred by nine fine corn inbred lines，which constitute foundation colony，through two generations open-pollination，and then self-pollination．The results of experiment show that the “53” hlgh-resistant to leaf spot，leaf blight，bacterial and resisting head smut，mosaic，and so on, It is good of resisting fall．combining abiity and self-output and appropriate growing period．