高产杂交稻成优0504的选育

摘要

Chengyou 0504 was a new late-season indica hybrid rice combination bred by crossing the 3-line male sterile Chengfeng A and the strong restorer line,Fuhui 0504,at the Rice Research Institute,Fujian Academy of Agricultural Sciences.The hybrid rice exhibited the desirable characteristics of uniform population,moderate plant size,large panicles,high rate of grains per panicle,good color change at ripening,high and consistent yield,etc.It was certified by Fujian Crop Variety Appraisal Committee in 2015. The breeding procedures, yield and characteristics of this newly developed rice variety are presented.%成优0504是福建省农业科学院水稻研究所用自育强恢复系福恢0504与三系不育系成丰 A 配组而成的三系晚籼杂交水稻新组合。该品种具有群体整齐、株型适中、穗大粒多、熟期转色好、产量高、稳产性好等特点；2015年通过福建省农作物品种审定委员会审定。本文介绍了成优0504选育过程、产量表现及品种特征特性等。