摘要
选用新育成的综合性状优良的A群8份高淀粉系为父本组;B群、C群、D群高淀粉系共计9个系为母本组。在按不完全双列杂交设计,组配出了72个杂交组合。分析结果表明,不同自交系同一性状的GCA效应具有很大差异,说明按优势类群组建高淀粉近缘群体选育早熟高淀粉种质自交系,按杂优模式进行组配,能够选育出高淀粉高产玉米杂交种。
72 hybrid combinations were coordinated with incomplete dual crossing design. Male parent group was a newly-bred population A, which had fine comprehensive characters and high starch content. Female parent group was made up of B, C and D population, including 9 highstarch entries. The results showed that： as for GCA effect of the same character, there were great differences in the different inbred lines, which indicated that, in the way of selecting early mature starch inbred lines based on close sib developed from dominant population and utilizing hybrid-dominant model. We could breed and select maize species with high yield as well as high starch content.
出处
《黑龙江农业科学》
2006年第5期20-22,共3页
Heilongjiang Agricultural Sciences
关键词
高淀粉
玉米
自交系
性状
配合力
high starch
maize inbred lines
character
combining ability
