【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。更多还原

【Abstract】 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.更多还原