“安两优318”是湖南杂交水稻工程技术研究中心郭名奇先生等用低温敏两用核不育系安湘S与R318杂交配组育成的晚稻中熟两系杂交组合。我们于1994年引进试种,1994年冬至1995年春在海南进行小区品比;1995年秋在本县进行小区品比及秋制种;1996年～1998年分别在江西省九江市、福建省 “An Liangyou 318” is a late-maturing middle-maturing two-line hybrid combination composed of low temperature sensitive dual-purpose nuclear sterile line Anxiang S and R318, which was developed by Mr. Guo Mingqi from Hunan Hybrid Rice Engineering and Technology Research Center. We introduced the trial planting in 1994, and carried out plot ratio in Hainan from the winter of 1994 to the spring of 1995. In the autumn of 1995, we carried out plot ratio and autumn planting in this county. From 1996 to 1998, respectively, in Jiujiang, Jiangxi Province, Fujian Province