籼型高蛋白水稻不育系中种1A的选育与应用

Breeding and Utilization of Indica CMS Line Zhongzhong 1A with High Protein Content in Rice

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。

Zhongzhong 1 A, derived from the backcross and testcross of V2OA/（ 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.