“IR72”1988年从江西省引进,经引种圃欢察亩产901.64公斤,确定为新的吨粮常规品种。1989年进入亩产吨粮品种比较试验,在9个供试品种中亩产高达1133公斤,比常规稻对照“桂朝2号”亩增165.6公斤,增产17.10%;比杂交稻对照种亩增113公斤,增产 “IR72” was introduced from Jiangxi Province in 1988 and 901.64 kg of mu per plant was introduced into Hupu to establish it as the new conventional variety of grain. In 1989, the trial of mu production per ton of grain entered the comparison experiment, yielding 1133 kg per mu in 9 tested varieties, 165.6 kg more mu than the conventional rice control “Guichao No.2”, increasing 17.10%; comparing with the control of hybrid rice mu 113 kilograms, increase production