摘要
Xinlong A was a high quality indica CMS line developed with early rice intermediate material 05Zao20(Zhouyou 903/Zhong9B F6)as female parent and IR58025B/Q96 F4 as male parent,Jin23A was then used as female parent for test crossing with BC,and backcrossed and bred with complete fertility and abortion lines.The male sterile line had the characteristics of good agronomic characters,strong combining ability,good resistance,high yield and good quality which reaches gradeⅡstandard of national high quality rice.It showed broad prospects and was technically identified in Jiangxi Province in 2017.
鑫隆A是以早稻优质中间材料05早20(舟优903/中9B F_6)作母本,IR58025B/Q96 F_4作父本杂交制保,然后用金23A作母本测交BC,最后选择育性败育彻底的株系回交转育而成的优质籼型三系不育系。该不育系具有农艺性状优良、配合力强、抗性较好、产量高、米质优(达国家优质稻谷2级标准)等特点,应用前景广阔,2017年通过江西省鉴定。
