香型优质高产杂交稻国豪国香8号高产制种技术研究

Study on High-yielding Seed Production Techniques for New Quasi-aromatic Hybrid Rice Combination Guohaoguoxiang 8

[目的]推广应用国豪国香8号。[方法]对国豪国香8号的特征特性及其制种技术进行阐述。[结果]国豪国香8号具有米质优、口感好、抗性较强、制种产量高等特点,3年区试生产试验平均产量比汕优63增产了3.30%、1.60%和9.60%。[结论]制种时花期应避开高温伏旱,严格隔离条件,确保种子质量。

[Objective] The research aimed to popularized Guohaoguoxiang 8.[Method] The characters and seed production techniques of Guohaoguoxiang 8 were described.[Result] Guohaoguoxiang 8 had excellent characters with grain quality,good taste,good disease resistance and high yield.And the average yields of the combination in regional test and production trial were increased by 3.30%,1.60% and 9.60% compared with CK Shanyou 63,respectively.[Conclusion] The flowering stage should avoid high-temperature and summer drought,strictly isolating condition and ensuring seed quality.