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本文系统地总结了“六五”以来我国玉米种质改良创新与利用的现状，介绍了国外种质改良的研究现状及成功经验。在此基础上，分析了国内玉米种质改良存在的问题，并就这些问题提出了相应地解决办法。
This paper systematically summarizes the current situation of innovation and utilization of maize germplasm improvement since the “Sixth Five-Year Plan” in China, and introduces the research status and successful experiences of foreign germplasm improvement. On this basis, the problems existing in the improvement of domestic corn germplasm were analyzed, and corresponding solutions to these problems were put forward.