超高产玉米新杂交种鲁单7045选育的创新思路  

Creative Experience about the Selection on Super-high Yield of New Type Maize Hybrid Ludan7045

作　　者：丁照华[1] 杨菲[1] 刘治先[1] 刘朋[1] 穆春华[1] 李文才[1] 孙琦[1] 张发[1] 孟昭东[1] 

机构地区：[1]山东省农业科学院玉米研究所,济南250100

出　　处：《玉米科学》2010年第5期49-52,共4页Journal of Maize Sciences

基　　金：国家科技支撑计划项目(2007BAD31B03);山东省农业科学院创新基金项目(2007YCX005);山东省农业科学院青年基金项目(2007YQN016)

摘　　要：超高产、多抗性、优质玉米新杂交种鲁单7045(LD7045),组合为齐3925×Lx9311。介绍了玉米新杂交种鲁单7045的选育背景、选育过程及品种特征特性等,提出了育种目标、选系技术与方法、杂种优势模式等方面的创新思路。The super-high yield of new type maize hybrid Ludan7045 had been bred by crossing Qi3925 with Lx9311.It took part in regional trials of Beijing in 2005-2008,was examined and approved by the committee in 2009.The results of regional trials showed Ludan7045 that had super-high yield,stable yield,much resistance,high quality,wide adaptability,medium late-maturing,big ear and high yield potential.This paper introduced the breeding goals,selecting methods and use of heterosis modes about Ludan7045.At last,the au...

关 键 词：玉米 品种选育 鲁单7045 

分 类 号：S51[农业科学—作物学]