【摘要】 华297A是湖南亚华种业科学研究院以优质三系不育系新香A为母本,"金23B//黄金3号/Ⅱ-32B"的稳定优良单株为父本测交,经多代择优回交转育而成的中籼型三系不育系。该不育系具有不育性稳定、农艺性状优良、米质较优、配合力强等特点,2006年1月通过湖南省农作物品种审定委员会审定。所配组合华优75于2007年5月通过四川省农作物品种审定委员会审定,亚华优451和亚华优624分别于2007年和2008年通过湖南省农作物品种审定委员会审定。更多还原

【Abstract】 Hua 297A,derived from the testcross between Xinxiang A and(Jin 23B//Huangjin 3/Ⅱ-32B) and its successive backcrosses,was a new medium maturing indica CMS line developed by the Hunan Ava Seeds Research Institute.It had a stable and complete male sterility,good agronomic characters,good grain quality and strong combining ability.In January,2006,it was registered by the Hunan Provincial Crop Variety Appraisal Committee.Huayou 75(Hua 297A/Huahui 75) was registered by the Sichuan Provincial Crop Variety Appraisal Committee in May,2007;Yahuayou 451(Hua 297A/Huahui 451) and Yahuayou 624(Hua 297A/Huahui 624) were registered by the Hunan Provincial Crop Variety Appraisal Committee in February,2007 and in March,2008,respectively.更多还原