湘早籼4号系湖南省水稻研究所以湘矮早9号×竹莲矮F_3作母本,竹系26作父本杂交,于1982年育成的一个中熟早籼新品种。1987年元月经湖南省农作物品种审定委员会审定,定名为湘早籼4号。做为湖南省水稻区域试验中熟组对照品种。该品种1985～1986年参加省区域试验,据17个点的统计,平均亩产分别为415.5公斤和459.1公斤,比对照1原丰早分别增产9.9％与13.5％,比对照2竹系26分别增产1.7％与13.5％,达极显著水平,居中熟组 Xiangzao indica 4 was a mid-maturing early Indica variety developed in 1982 by the Hunan Rice Research Institute of Hunan Province. January 1987 by the Hunan Provincial Crop Variety Approval Committee, validated as Xiangzao indica on the 4th. Hunan Province as a regional test paddy control group varieties. According to the statistics of 17 spots, the average yield per mu was 415.5 kg and 459.1 kg respectively, which increased by 9.9% and 13.5% respectively compared with that of the control 1 Happo, which was 26% Increase of 1.7% and 13.5%, reaching a significant level, the middle group