天优2180是中国水稻研究所用采用分子标记辅助选择技术培育的含白叶枯病抗性基因Xa21的强优恢复系中恢218与广东省农科院水稻研究所选育的野败型优质不育系天丰A配组育成的中晚兼用型杂交水稻新组合,表现株叶型好,高产、稳产,耐肥抗倒,米质较优,抗性较强,适应性好,比较耐寒。2011年1月通过浙江省品种审定,2012年2月通过江西省引种认定。 Tianyou 2180 is a strong restorer line of Xa21 with resistance to bacterial leaf blight, developed by China National Rice Research Institute using molecular marker-assisted selection (Zhongkui 2180) and wild type The combination of fertility and Tianfeng A with medium-late hybrid paddy rice showed good leaf shape, high yield, stable yield, good resistance to maize, better quality, stronger resistance, better adaptability and more cold tolerance. January 2011 through the Zhejiang Province species validation, in February 2012 through the introduction of Jiangxi Province identified.