摘要
利用甘蓝显性核基因雄性不育材料DGMS79-399-3(79-399-3Ms)和引进的CMSR3625等改良胞质雄性不育材料作不育源,以优良自交系作转育父本,育成了一批不育性稳定、生长发育正常、配合力好的雄性不育系,配制出中甘16等6个甘蓝新品种。用雄性不育系进行规模化制种,每667m2生产杂交种种子40～50kg。不育系亲本可在隔离网棚用蜜蜂授粉繁殖,成本较低。杂交率比用自交不亲和系制种的高5%～8%。
The dominant genic male sterile (DGMS) 79-399-3 (79-399-3Ms) of cabbage (Brassica oleracea var. capitataL.) found by our group and the improved cytoplasmic male sterile (CMS) R3625 introduced from abroad were used as sterilesource, and the superior inbred lines were used as male parents in developing a number of male sterile lines with stablesterility, normal growth and development, good combining ability. Five new cabbage hybrids including Zhonggan16 havebeen developed, and they have been extended to about ten provinces in China. The developed male sterile lines have beenused in large-scale seed production of cabbage hybrid, with seed yield of 40-50 kg per 667 m2. The parents of male sterileline can be propagated with honeybee pollination in the isolated net-house, which costs relatively less compared with otherpropagation methods. Moreover the percentage of hybrid purity is 5%-8% higher than that produced from the self-incompatible lines.
出处
《中国农业科学》
CAS
CSCD
北大核心
2004年第5期717-723,共7页
Scientia Agricultura Sinica
基金
国家科技攻关资助项目(96-002-02-20)
国家863计划资助项目(2002AA207012
2001AA241121)
国家自然科学基金资助项目(30170642)
北京市科技资助项目(954411600
H022020130230)
农业部948资助项目(991055)
农业部重点实验室资助项目
关键词
甘蓝
显性核基因雄性不育
胞质雄性不育系
选育
制种
Cabbage (Brassica oleracea var. capitata L.)
Dominant genic male sterility(DGMS)
Cytoplasmic male sterile (CMS)
Breeding
Seed production
