优质籼型三系不育系星泰A的选育与应用

Breeding and Application of High-quality Indica CMS Line Xingtai A in Rice

星泰A是湖南洞庭高科种业股份有限公司、岳阳市农业科学研究院用岳4B/广占63S的F3作母本,以鑫B为父本进行杂交,F9代与鑫A测交后多代回交转育育成的优质籼型三系不育系,具有不育性稳定、配合力强、米质优、易繁殖、所配组合生育期短等特点。利用星泰A与R018配制的杂交组合星泰优018于2022年通过国家农作物品种审定委员会审定。

Xingtai A is a high-quality indica CMS line developed by Hunan Dongting High-tech Seed Industry Co.,Ltd.and Yueyang Academy of Agricultural Sciences.It was bred by crossing the F3 of Yue 4B/Guangzhan 63S as the female parent and Xin B as the male parent,and backcrossing for multiple generations after test crossing with Xin A in the F9 generation.It has the characteristics of stable male sterility,strong combining ability,good grain quality,easy multiplication,and short growth period of its derived hybrid combinations.The hybrid combination Xingtaiyou 018 derived from Xingtai A and R018 was approved by the National Crop Variety Appraisal Committee in 2022.