【摘要】 创造并掌握丰富的种质资源是培育新的作物和优良品种的前提,我国玉米种质资源相对比较狭窄,本文结合育种实践,分析了当前应用的各种种质改良、创新方法的特点和优势,提出了它在今后玉米育种和种质扩增中存在的问题和利用的思路。更多还原

【Abstract】 Germ plasm are the foundation of plant breeding.Germ plasm enhancement and improvement based upon heterotic groups and patterns will be the essential approach to promote the technology innovation of hybridization in China.The paper mainly discussed the method for enhancement,improvement and innovation of maize germ plasm source.New technologies(recombinant DNA technique,space breeding,microwave radiation breeding et al.) used in germplasm improvement will push the development of maize breeding.更多还原