两系杂交晚籼两优277制种技术  

Hybrid Seed Production Techniques of Liang-you 277

作　　者：胡刚[1] 王清洲 熊传刚 游艾青[1] 吕维林 刘凯[1] 梁武林 张龚 樊勇 杨国才[1] 方明洋 

机构地区：[1]湖北省农业科学院粮食作物研究所,武汉430064 [2]湖北省荆门市农昌种业有限公司,湖北荆门448000 [3]湖北省荆门市种子管理站,湖北荆门448000 [4]湖北省荆门市农业局,湖北荆门448000

出　　处：《湖北农业科学》2006年第3期279-281,共3页Hubei Agricultural Sciences

基　　金：国家"863计划"项目(2003AA212021);湖北省重点科技项目(2004AA204A01)

摘　　要：两系杂交晚籼两优277具有高产稳产、抗逆性较强、米质优、熟期适宜等特点,2004年通过湖北省农作物品种审定委员会审定。根据潜江、荆门的制种实践,总结出合理安排父母本播差期、培育适龄多蘖壮秧、合理密植、促进父母本平衡生长和提高母本异交结实率等高产制种技术。Hybrid rice Liang-you 277 has the characteristics of high and stable yield, good stress tolerance, fine grain quality, suitable maturity. It was registered and released by the Crops Variety Appraisal Committee of Hubei Province in 2004. According to the experiment of seed production in Qianjiang and Jingmen, the key production techniques was summarized. The main technical experiences were： included as well-arranging seeding time interval of the male and female parents, raising healthy tillered seedlings, suitable density cultivation, increasing outcrossing rate for the female parent.

关 键 词：两系杂交晚稻 两优277 亲本特征特性 制种技术 

分 类 号：S511.038[农业科学—作物学]