两系杂交早稻株两优819烟后高产制种技术

High-yielding Post-tobacco of Seed Production Techniques of Two-line Early Hybrid Rice Variety ZhuLiangyou 819

株两优819是湖南亚华种业科学院用株1S与华819配组育成的两系杂交早稻品种,2005年通过湖南省农作物品种审定,为湖南省早稻主推品种。根据母本株1S易倒伏且种胚易失活力等特性及闽西北的气候特点,总结了株两优819亲本特征特性及在闽西北烟后高产制种技术。

A two-line early hybrid rice variety Zhuliangyou 819 was bred by the combination of Zhu 1S and Hua 819,which was registered and released by Hunan Crop Variety Examination and Approving Committee in 2005 and is the main early rice cultivar in Hunan Province.According to the female parent Zhu1S characteristics of lodging and embryo inactivation and climate in Northwest Fujian,the parents characteristics and the high-yielding seed production technology after tobacco of Zhuliangyou 819 were summarized.