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T4012A是安徽省农业科学院水稻研究所用80-4A为母本,以优质粳稻品系T4012(镇稻88/武育粳3号)为父本,经测交和多代回交转育而成的BT型优质粳稻不育系,于2010年通过安徽省农作物品种审定委员会组织的技术鉴定,配制的杂交晚粳组合T12优66(T4012A/R7066)于2013年通过国家农作物品种审定委员会审定。
T4012A is the male parent of 80-4A from the Institute of Rice Research, Anhui Academy of Agricultural Sciences, with the high-quality japonica rice line T4012 (Zhenyao 88 / Wuyujing 3) as the male parent, Type high quality japonica CMS line. In late 2010, the hybrid japonica rice combination T12 You 66 (T4012A / R7066) was approved by the National Crop Variety Approval Committee in 2013 through technical appraisal organized by Anhui Crop Variety Approval Committee.