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湖北省农科院粮怍所早稻组用杂交育种法选育出一个优质、抗病、高产的中熟早秈新品种—鄂早七号.该品种在1979年和1980年的品系鉴定试验和品系比较试验中分别较“华矮15”和“广陆矮四号”增产18.13%和4.16%.达报显著水平.1981和1982年参加湖北省早稻中熟组区域试验,平均产量为475.4千克和486.6千克,分别较对照品种“原丰早”增产1.70%和减产1.07%,均居第三位.目前,该品种在省内、省外,已试种、示范达50多万亩,一般亩产450千克左右,高的可达500千克
Hubei Province Academy of Agricultural Science and Foodstuffs early rice group breeding by crossbred a high quality, disease resistance, high yield mid-maturing early Indica new varieties - E early on the seventh of the varieties in 1979 and 1980 lines of identification test and Compared with “Hua-dai 15” and “Guang-lu-dai-si”, the yield increased by 18.13% and 4.16% respectively in the comparison test of the lines, reaching the significant level. In 1981 and 1982, The yield was 475.4 kg and 486.6 kg respectively, which increased by 1.70% and decreased by 1.07% respectively compared with the control variety “Yuanfengzaozao”, ranking the third place.At present, this variety has been planted and demonstrated in the province and outside the province More than 50 million mu, generally 450 kilograms per mu, high up to 500 kilograms