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绵香5A是绵阳市农业科学研究所以冈46A为母本、绵5B/(香改B/地谷B//D161B)的F2代优良单株为父本测交,并经多代择优回交转育而成的香稻三系不育系。该不育系育性稳定,农艺性状优良,开花习性好,配合力强,米质较优。于2008年8月通过四川省技术鉴定。所配组合国豪国香12号(绵香5A/绵恢9937)于2006年通过重庆市品种审定。
Mianxiang 5A is the male parent of F2 generation with Gang 46A as female parent and Mian 5B / (XiangBai B / DiGuiB // D161B) as male parent in Mianyang Academy of Agricultural Sciences, Transgenic from the three lines of fragrant rice CMS. The sterile line has stable fertility, good agronomic traits, good flowering habits, strong combining ability and better quality of rice. In August 2008 through the Sichuan Provincial Technical Appraisal. With the combination of the country Hao Guoxiang 12 (Mianxiang 5A / Mianhui 9937) in 2006 through the approval of the species in Chongqing.