“秀水04”是浙江省嘉兴市农科所用“测21///辐农709//辐农709/单209”复合杂交选育而成的中熟晚粳新品种。本市于1983年引进试种。1986年市郊已推广160万亩,成为晚稻当家品种。现将有关资料整理如下。一、“秀水04”的特性 (一)产量高1984年在市后季稻品种区试中名列第一,平均亩产993.3斤,比嘉系15增产7％;1985～1986两年单季晚稻区试中也都名列第一。平均亩产分别为926.7斤和1075.5斤,比“寒丰”(对照)分别增产8.9％和10.6％,达极显著水准;1986年生产试验平均亩产1016.1斤,比“寒丰”增产8.3％;奉贤 Xiushui 04 is a middle-maturing late-japonica new variety selected from the hybrid test of “Measuring 21 /// Farmers 709 // Farmers 709 / Single 209” used by Jiaxing City, Zhejiang Province. The city introduced in 1983 trial planting. In 1986 the suburbs have promoted 160 million mu, became the late rice headed varieties. The relevant information is now organized as follows. First, the “Xiushui 04” characteristics (A) high yield In 1984 in the city after the season of rice varieties ranked first, with an average yield of 993.3 kg, 15% increase over Jia 15; 1985 ~ 1986 single season late rice District test are also ranked first. The average yield per mu was 926.7 kg and 1075.5 kg, respectively, an increase of 8.9% and 10.6% respectively over the “Hanfeng” (control), reaching an extremely significant level. In 1986, the average production per mu was 1016.1 kg, an increase of 8.3% ; Fengxian