特优559是江苏省沿海地区农科所用龙特甫A（不育系）与559（恢复系）配组而成的舢型三系杂交水稻新组合。1995年从漳州市农科所引进试种，1995～1997年早季在漳州市萝城区石亭镇试种示范17hm2，现将试种结果报导如下。一、产量表现特优559在漳州地区作早、中、晚稻种植，每公顷 Teyou 559 is a new type of three-line hybrid rice combination of Longtefu A (sterile line) and 559 (restorer line) used in the agricultural sciences in coastal areas of Jiangsu Province. In 1995, Zhangzhou City, from the introduction of agricultural science trials, 1995-1997 early in Shicheng Town, Zhangzhou City, Shiteng demonstration model 17hm2, now the test results reported below. First, the yield performance of Youyou 559 in Zhangzhou for early, middle and late rice cultivation, per hectare