优质高产弱感光型杂交水稻新组合元丰优401的选育与应用

Breeding and Application of New Weakly Photo-sensitive Hybrid Rice Combination Yuanfengyou 401 with Good Quality and High Yield

元丰优401是三明市农科所用自育的三系不育系元丰A与恢复系明恢401配组育成的弱感光型杂交水稻新组合,具有产量高、米质优(达国标3级优质稻谷标准)、耐寒性好、结实率高、熟期适宜等特点,2008年5月通过广西壮族自治区农作物品种审定委员会审定。介绍了其选育过程、主要特征特性及栽培、制种技术要点。

Yuanfengyou 401, derived from the indica CMS line Yuanfeng A and the restorer line Minghui 401, is a new hybrid rice combination with weak sensitivity to photoperiod developed by Sanming Institute of Agricultural Sci- ences, Fujian Province. It is characteristic of high yield, good grain quality, strong cold tolerance, high seed set and suitable maturity. It was registered and released for commercial production by Guangxi Provincial Crop Variety Appraisal Committee in May, 2008. This paper introduced its breeding procedure, main characteristics, cultivation and hybrid seed production techniques.