黔优790是贵州省水稻研究所用自育恢复系黔恢790与自育不育系黔209A配组育成的高产稳产迟熟籼型三系杂交稻新组合,2015年6月通过贵州省农作物品种审定委员会审定(黔审稻2015002)。介绍了该组合的选育过程、特征特性和主要栽培、制种技术。 Qianyou 790 is a new combination of high yielding and late maturity indica three-line indica hybrid rice cultivated in Guiyang 790 and Guizhou 209A with the self-restore line Guizhou Academy of Rice Research. In June 2015, it passed Guizhou province crop varieties Validation Committee validation (Qian trial rice 2015002). The breeding process, characteristics and main cultivation and seed production techniques of the combination were introduced.