优质籼稻恢复系湘恢263的选育及利用

• 作 者: 陈湘国
• 机 构: 湖南怀化职业技术学院,
• 出 处: 杂交水稻
• 发表日期: 2012年06期
• 关键词: 杂交水稻 籼型水稻 恢复系 配合力 抗高温能力 组合产量 分蘖力 湘恢263 迟熟 农作物品种审定

湘恢263是湖南怀化职业技术学院用蜀恢527作母本与自选高世代稳定恢复株系455(密阳46/明恢63∥恢647)杂交选育而成的迟熟籼型水稻新恢复系。该恢复系具有株叶形态好、分蘖力强、穗大粒多、千粒重高、恢复力强、配合力好、花粉量足、米质优、抗高温能力强、耐寒性好等特点。所配组合产量高,米质优,其中内5优263、丰源优263于2012年5月通过了湖南省农作物品种审定。

Xiang-Hui 263 is a new restorer of late maturity indica rice, which was bred by Shuhui 527 as female parent and self-selected high-generation stable restorer line 455 (Minyang 46 / Minghui 63∥Hui 647) from Hunan Huaihua Polytechnic. system. The restorer system has the characteristics of good plant morphology, strong tillering ability, large grain size, high 1000-grain weight, strong restoring ability, good combining ability, enough pollen amount, good quality of rice, high temperature resistance and good cold tolerance. With the combination of high yield, high quality rice, of which 5 You 263, Fengyuangyou 263 in May 2012 adopted the crop varieties in Hunan Province validation.