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

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...