春优84是利用早花时晚粳不育系春江16A与籼粳中间型广亲和恢复系C84配组育成的粳不籼恢亚种间杂交稻新组合。该组合具有产量潜力大、制种产量高、综合农艺性状优良、抗瘟性较好、适应性广等优点,2013年3月通过浙江省农作物品种审定委员会审定。介绍了该组合的选育过程、主要特征特性、栽培技术及制种技术要点。 Chunyou 84 is a new combination of japonica indica subgenus hybrid rice developed by using late spring Japonica CMS line Chunjiang 16A and indica - japonica intermediate broad compatibility restorer line C84. The combination has the advantages of large yield potential, high seed yield, good agronomic traits, good blast resistance and wide adaptability. It was approved by Zhejiang Province Crop Variety Approval Committee in March 2013. The breeding process, main characteristics, cultivation techniques and seed production techniques of this combination were introduced.