【摘要】 中种1A是以新香B为母本与早籼品系9801杂交,从杂交F2代中选优良单株与V20A测交和回交选育而成的早熟籼型不育系。该不育系不育性稳定,米质较优,蛋白质含量较高,配合力强,于2006年2月通过湖南省品种审定。其所配组合中种优448表现高产优质,于2008年3月通过湖南省品种审定。更多还原

【Abstract】 Zhongzhong 1A,derived from the backcross and testcross of V20A/(Xinxiang B/9801) F2,is a new indica CMS line in rice.Zhongzhong 1A is characteristic of complete and stable male sterility,fine grain quality with a high protein content,desirable agronomic and economical characters and high combining ability.In February,2006,it was certified by Hunan Provincial Crop Variety Appraisal Committee.Zhongzhongyou 448(Zhongzhong 1A/Chenghui 448)) is a new hybrid rice combination with both high yield and fine grain quality,and it was certified by Hunan Provincial Crop Variety Appraisal Committee in February,2008.更多还原