抗病抗倒高含油甘蓝型油菜CMS汉11A的选育及应用

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中图分类号：S565.4 文献标识码：A 文章编号：0488-5368（2025）04-0011-03

Abstract： Cytoplasmic male sterility （CMS） in Brassica napus is easy to maintain and restore. It is an important method for using hybrid vigor.Han11A is a double-low CMS line developed through seven years of repeated backcrossing between Han 3Aand the conventional variety Zhongshuang 11.Several hybridcombinations made with this sterile line have been oficially registered as non-major crop varieties.These hybrids have also been transferred for commercial use and have shown good performance in field trials and promotion programs. Han 11A has strong combining ability and ofers high yield，stable production，lodging resistance，disease resistance，and high oil content. It has great potential for further application.

Key words：Brassica napus； Cytoplasmic male sterile line； Breeding and selection； Application

油菜是我国重要的油料作物之一[1]，其产量和品质对于保障食用油供给以及国家粮油安全具有举足轻重的意义。（剩余3084字）