抗稻瘟病优质香稻不育系冈香1A的选育  

Breeding of Aromatic CMS Line Gangxiang 1A with Blast Resistance and Good Grain Quality in Rice

作　　者：周明镜[1] 彭淑彬[1] 

机构地区：[1]四川农业大学水稻研究所,四川温江611130

出　　处：《杂交水稻》2013年第5期11-12,共2页Hybrid Rice

摘　　要：冈香1A是用D香1B与金23B杂交,将优质性状,香味和抗性结合后,再与冈46A测交并通过连续回交转育而成的香稻不育系。该不育系稻瘟病抗性强、香味浓、米质优、配合力强、柱头外露率高,2004年8月通过四川省技术鉴定。所配组合已有5个通过省级以上品种审定。Gangxiang 1A,developed from the cross of Gang 46A /（D Xiang 1B /Jin 23B） F 3 by the successive backcrossing method,is an aromatic CMS line in rice.It is characteristic of high combining ability,strong blast resistance,good grain quality with deep aroma,and high stigma exsertion rate.In August,2004,Gangxiang 1A was technically identified in Sichuan Province.Up to now,there have been five hybrids derived from it registered and released for commercial production at the provincial or national level.

关 键 词：杂交水稻 不育系 冈香1A 抗稻瘟病 香稻 选育 

分 类 号：S511.03[农业科学—作物学] S334