通过对2003～2007年全国玉米主要品种推广情况统计数据进行整理，分析不同省份玉米种植面积、品种推广情况以及不同玉米品种推广趋势，从而为玉米审定品种推广过程中的种性监控、审定品种标准样品征集及标准DNA指纹库构建等工作提供指导。

With the statistical data of national maize variety popularization from 2003 to 2007, maize plant area of different provinces, maize variety popularization of different provinces and popularization tendency of different maize varieties were analyzed. It would provide important guidance to monitoring germ character during popularization of maize variety, collection of maize standard sample and construction of maize standard DNA fingerprint database.

国家科技支撑计划项目(2007BAD31B01)、“973”计划项目(2009CB118405)