湘早籼12号是我所从湘早籼1号变异株系选育定型的大粒型早籼新品种，1992年经湖南省农作物品种审定委员会审定命名。适宜湖南和长江中下游双季稻区作早稻迟熟早籼主栽品种；1990～1993年湖南省推广面积达120余万亩。产且表现1988年参加湖南省水稻所品比试验，平均亩产501．7公 Xiangzaoshaixian 12 is a large grain-type early indica variety that we selected and sowed from Xiangzaoxian No.1 mutants. In 1992, it was approved by Hunan Crop Variety Approval Committee. Suitable for Hunan and the middle and lower reaches of the Yangtze River double cropping rice early rice early maturing indica varieties; from 1990 to 1993 in Hunan Province to promote an area of ​​120 mu. Production and performance In 1988 to participate in Hunan Province rice ratio test, the average per-mu yield of 501.7 public