宜香1577系四川省宜宾市农科所以浓香型优质不育系宜香1A作母本,以亚种间重穗型恢复系宜恢1577作父本组配育成的中籼迟熟杂交稻新组合,2003年已通过四川省农作物品种审定,同年11月通过国家农作物品种审定。1产量表现2001～2002年参加四川省区试中籼迟熟优质米A组试验,平均亩产5 Yixiang 1577 Department of Yibin City, Sichuan Agricultural Sciences Department of high-quality sterile line Yixiang 1A as the female parent, with interspecific heavy panicle restorer line should restore 1577 for the parent group of bred hybrid rice of late maturity The new combination has passed the validation of crop varieties in Sichuan Province in 2003 and the national crop varieties in November of the same year. 1 production performance in 2001 to 2002 to participate in the trial of Sichuan Province late indica late rice quality A group test, the average yield of 5