川优6203是四川省农业科学院作物研究所用优质不育系川106A与抗病恢复系成恢3203配组育成的中籼迟熟杂交水稻新组合,2011年通过四川省审定(川审稻2011002)。在四川荣县作中稻+再生稻种植,表现出丰产性好、适应性广、再生力强、米质优、抗性强等特点。介绍了该组合特征特性及配套高产栽培技术。 Chuan You 6203 is a new combination of indica late maturing hybrid rice cultivated with high quality CMS line Chuan 106A and restorer line Chenghui 3203 in Sichuan Academy of Agricultural Sciences. In 2011, it was approved by Sichuan Province (Chuanxutao 2011002) . Planting middle-aged rice + ratoon rice in Rongxian County of Sichuan Province showed the characteristics of high yield and good yield, wide adaptability, strong regenerative ability, high quality of rice and strong resistance. Introduced the characteristics of the combination and supporting high-yielding cultivation techniques.