杂交水稻新组合“科优769”的选育及栽培与制种技术

Breeding and cultivation techniques of new hybrid rice combination “Keyou 769”

摘要: 科优769系科A与南恢769配组育成的杂交稻新组合, 具有高产稳产、适应性广、抗稻瘟病、耐寒性较强等特点, 2013年通过广东省梅州市审定。介绍了科优769的选育经过、产量表现、特征特性, 总结了其主要栽培技术及制种技术要点。

Abstract: Keyou 769 was a new hybrid rice combination which was combined with “Ke A” and “Nanhui 769”, and had high and stable yield, extensive adaptation, resistance to rice blast, cold environment. And “Keyou 769” was approved by Meizhou City, Guangdong Province in 2013. This paper introduced breeding process, planting performance, characteristics, and summarized its main cultivation techniques and key technical rinks in seed production.