超级杂交粳稻育种技术探讨

产量优势不强、品质差、制种产量低是困扰超级杂交粳稻育种的难点问题,本研究对近十年来辽宁省超级杂交粳稻育种研究现状及成果进行了总结与回顾。根据高产、优质、高异交性等育种目标,立足于育种实践,提出符合辽宁省杂交粳稻配组理论方法及亲本选育策略,同时对现在杂交粳稻育种实践中存在的问题进行了分析,提出了现阶段杂交粳稻发展需要解决的攻关课题,为辽宁省超级杂交粳稻研究深入发展提供参考。

Strategy on Super Hybrid Japonica Rice Breeding

The research status and the achievements in recent ten years of Liaoning japonica hybrid rice were reviewed.Based on the breeding practice,the theory of the japonica hybrid rice crossing and the breeding strategy of the parent according to the breeding objectives of high yield,good quality and wide adaptability were proposed.The problems in rice breeding were analyzed and the tacking methods were also put forward,and the further research direction was stated.