国务院8号文件以后,我国玉米育种状况发生了巨大变化,企业和科技人员的积极性空前高涨,育种方向基本明确,商业育种的技术路线逐步落实,种质改良和创新开始走上正轨。最近,我们分别同国内外十几位专家教授座谈,认为有必要提醒企业负责人反思一些带有方向性的育种技术和实践问题。一、种质研究现状最近十几年,我国通过多渠道引进热带、亚热带和欧美玉米种质,可利用的种质相当丰富,水平 Since the State Council Document No. 8, great changes have taken place in the state of maize breeding in China. The enthusiasm of enterprises and scientific and technological personnel is unprecedentedly elevated. The direction of breeding is basically clear. The technological route of commercial breeding is gradually implemented, and germplasm improvement and innovation are on the right track. Recently, we held discussions with over a dozen experts and professors both at home and abroad and considered it necessary to remind the heads of enterprises to reflect on some directional breeding techniques and practical problems. First, the status quo of germplasm research The past ten years, China introduced through many channels of tropical, subtropical and European and American corn germplasm, available germplasm is very rich, level