浅谈玉米外来种质的利用

Elemmentary Discuss About The Utilization of Exotil Maize Germplasm

该文总结了近几年来玉米外来种质的利用情况，结合自己的育种经验，提出了外来种质鉴定、筛选和适应性改良的方法，讨论了外来种质的杂种优势和配合力及其导入的最佳比例等问题。

This paper summarizes the Utilization of exotil germplasm and auther's experience of breeding in the past few years,advances the methods of appraisal, screeing and improvement of adaplability of exotic germplams, discuss the heterosis and Combining ability of exotic germplasm, and the best proportion of introgressioning exotic germplasms to adapt germplasms.