优质高产一季杂交晚稻新组合三香优516的选育

Breeding of a New Three-Line Hybrid Rice Combination Sanxiangyou516 with Fine Grain Quality and High Yield

三香优516是用湖南衡阳市农业科学研究所、湖南农业大学水稻科学研究所、亚华种业衡阳育种中心合作育成的水稻优质三系不育系三香A作母本,以湖南农业大学水稻科学研究所选育的优良三系恢复系R516作父本配制而成的三系一季晚稻新组合.该组合具有产量高、稳产性好、品质优和适应性强等特点,2005年2月通过湖南省农作物品种审定委员会审定,推广应用前景广阔.介绍了其选育过程、主要特征特性和栽培技术要点.

Sanxiangyou516 is a new indica three-line hybrid rice combination which was developed from the three-line Sanxiang A and a new restorer line R516 with good quality and high combining ability by rice research Institute of Hunan Agricultural University. It has the characteristics of strong grain yield heterosis, fine grain quality, strong ratooning ablility, wide adaptability. It was registered and released by the crops variety appraisal Committee of Hunan province in February, 2005. The breeding procedure of the hybrid and its characteristics, the major cultivation techniques were introduced in this paper.