摘要
以欧洲玉米种质BC8241Ht直选系南21-3及其改良系为材料,按NCⅡ杂交模式,应用灰色关联分析法对直选系南21-3及其改良系进行综合评价。结果表明,以BC8241Ht种质作为核心育种材料所实施的一系列改良选择,对提高自交系的配合力和杂交后代的综合表现效果是明显的。以配合力或实际测定值作为评价依据,其评价效果是一致的。
The study used grey connection analysis, which synthetically evaluated inbred line Nan21-3 selected from Yugoslavia maize germplasm BC8241Ht and its improved lines, with regarding maize lines breeded from Yugoslavia maize germplasm BC8241Ht and its improved lines as researched materials ,and by using NC Ⅱ cross model. The result indicated that we employed key germplasm BC8241Ht and carried out a series of improvement and selection, and effect was obvious for raising the combination ability of lines and synthetic expression of hybrids. Evaluated effect was consistent according to combination ability or actual determination value.
出处
《玉米科学》
CAS
CSCD
北大核心
2006年第2期1-3,共3页
Journal of Maize Sciences
基金
重庆市玉米良种创新工程项目资助(项目编号8317)
关键词
玉米
种质
改良
配合力
关联度
Maize
Germplasm
Improvement
Combination ability
Connection degree
