“特优559”是以“龙特浦A”与“盐恢559”配组育成的籼型三系杂交稻新组合,1999年被列为国家农作物育种攻关后补新品种。“特优559”是江苏省育成的第一个比“汕优63”显著增产、综合性状优良并在生产上大 “Teyou 559” is a new combination of indica three-line hybrid rice bred with “Longtepu A” and “Yanhui 559”. In 1999, it was listed as a national new crop after breeding Variety. “Youyou 559 ” is the first in Jiangsu Province than the “Shanyou 63 ” significantly increased production, good overall performance and in the production of large