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用具有广东野生稻亲缘的优质常规稻种质增城丝苗-8选与三系保持系五丰B进行杂交,经多年系谱选择后与具广东野生细胞质源的不育系1070A测交和回交,育成新质源早籼稻不育系盛世A。该不育系具有稻米品质较好、配合力强、抗病性好和综合农艺性状优良等特点,于2010年7月通过广东省专家技术鉴定。所配组合盛优668、盛优8号和盛优568在广东省早稻区试中表现丰、抗、优协调,于2011年1月通过广东省品种审定。
A high-quality conventional rice germplasm possessing wild relatives of wild rice in Guangdong was used to cross-fertilize with Zengcheng Miao-8 and Wufeng B, a maintainer of Wuwei B, after years of pedigree selection, , Bred into a new source of early indica rice CMS line Shengshi A. The CMS has the characteristics of better quality rice, good combining ability, good disease resistance and good agronomic traits. It passed Guangdong expert technical appraisal in July 2010. The combinations of Shengyou 668, Shengyou 8 and Shengyou 568 showed abundance, resistance and excellent coordination in early rice trial of Guangdong Province and passed the Guangdong variety approval in January 2011.