一、品种来源甘肃省农业科学院粮食作物研究所于1979年选育而成,组合为武206×自330。1980年通过技术鉴定,1985年甘肃省评审通过定名为陇单2号。二、产量表现 1979—1981年参加全省春玉米区域试验,分别在9个县29个点试验(统一对照为天单1号),最高平均亩产748公斤,最低平均亩产367公斤,比 First, the source of varieties Gansu Academy of Agricultural Sciences Institute of Food Crops bred in 1979, the combination of Wu 206 × from 330. In 1980 through the technical appraisal, Gansu Province in 1985 the review was adopted as Longdan 2. Second, the production performance 1979-1981 to participate in the province’s spring maize regional test, respectively, nine counties in 29 trials (unified control of the No. 1 Tian Dan), the highest average yield of 748 kg, the lowest average yield of 367 kg per mu