Abstract:

The developing of soft rice varieties is an important stage of quality breeding of rice and the realistic needs of rice market. Guguangyouzhan is a new soft indica conventional rice with good quality, bred by Rice Research Enstitute, Guangdong Academy of Agricultural Sciences, through hybrid breeding technique. Its grain quality is up to grade 2 by GB and Guangdong Provincial standard, and the amylose content of 14.7%~16.5%. It has the characteristics of high and stable yield, resistant to blast, middle susceptible to bacterial blight. Its growth period is 112~113 d, plant height is 101.8~103.0 cm. It was registered by Guangdong Crop Variety Approval Committee in 2017.

Key words: soft indica rice variety, Guguangyouzhan, breeding

摘要：

软性品种选育是水稻品质育种的一个重要发展阶段和稻米市场的现实需要。固广油占是采用水稻杂交育种技术培育而成的优质软性常规籼稻新品种。该品种米质达国标优质2级和广东省标优质2级，直链淀粉含量14.7%～16.5%，高产稳产，平均单产超过446 kg/667 m2，抗稻瘟病，中感白叶枯病，全生育期112～113 d，株高101.8～103.0 cm。2017年通过广东省农作物品种审定委员会审定。

关键词: 软性籼稻品种, 固广油占, 选育