“泗优 4 18”是徐淮地区农科所与北方杂交粳稻研究中心合作 ,以“泗稻 8号”与“Ｃ4 18”配组 ,于 1995年育成的迟熟中粳杂交组合。我市 1999年进行品试 ,产量名列前茅。为探索杂交粳稻“泗优 4 18”的利用价值 ,今年我市在八圩、东兴、新桥等镇进行小面积示范 ,种植面积 2 0 “Siyou 4 18” is a hybrid combination of late maturing Chinese japonica cultivated in 1995 by the Agricultural Science Institute of Xuhui District in cooperation with the Northern Hybrid Japonica Research Center, “Sida 8” and “C4 18”. Our city in 1999 for product testing, output among the best. In order to explore the utilization value of hybrid rice “Siyou 4 18”, this year we carried out a small area demonstration in the towns of Bawei, Dongxing and Xinqiao, with an acreage of 20