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巴1A是以珍汕97B为母本,冈46B为父本杂交制保后与珍汕97A测交并连续回交转育而成的野败型籼稻不育系。该不育系育性稳定,柱头外露率高,综合农艺性状优良,2013年通过重庆市农作物品种审定委员会鉴定。所配组合巴优99(巴1A/内恢99-14)于2013年通过重庆市农作物品种审定委员会审定。
Ba 1 A was a wild type indica CMS line with Zhenshan 97B as the female parent and Gang46B as the male parent and the Zhenshan 97A cross test and continuous backcross breeding. This sterile line has stable fertility, high stigma exsertion rate and excellent agronomic traits. It was identified by the Chongqing Crop Variety Approval Committee in 2013. Baoyou 99 (Ba 1 A / Neiyu 99-14) was allocated to Chongqing Crop Variety Approval Committee in 2013 for validation.