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桃农1A是以自选中间材料644B作母本与宜香B杂交,F2代选单株与金23A测保,经多年多代回交转育而成的水稻籼型三系不育系。该不育系具有农艺性状优良、可恢复性好、繁殖制种产量高、米质优等特点,所配杂交晚稻组合桃优香占2012年被评为湖南省2等优质米品种。桃农1A及其组合桃优香占均于2015年通过湖南省品种审定。
Peach cultivar 1A was selected from the intermediate material 644B as the female parent and Yixiang B hybrid F2 selected single plant and gold 23A test insured, after many years of backcross inbred rice indica type three male sterile lines. The CMS line has the characteristics of excellent agronomic traits, good recoverability, high yield of breeding seed and good quality of rice. The hybrid late rice combination Tao You Xiang accounted for the second class of high quality rice varieties in Hunan Province in 2012. Peachong 1A and its combination Peach Youxiang accounted for the same variety in Hunan Province in 2015.