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1.陇单2号:是甘肃省农科院粮作所成县玉米试验站用武206作母本、303作父本杂交选育成的一个新单交种。陇单2号丰产性好、品质佳、适应性广、性状优良,抗玉米丝黑穗病,比中单2号早熟5—7天。 1981—1985年在天水、武都、庆阳、平凉、敦煌、成县等九处试验,陇单2号平均亩产1096.2斤,比中单2号增产10.5％;1985年在陇南及临泽县示范2600多亩,亩产普遍超千斤。陇单2号适于平凉、天水、陇南、庆阳四地区及临泽县种植。生育期120—135天,
1. Longdan 2: Gansu Academy of Agricultural Sciences is the foodstuffs into a county corn test station to use 206 as a female parent, 303 for the male parent breeding into a new single cross. Longdan 2 good high yield, good quality, wide adaptability, good traits, anti-maize smut than Zhongdan 2 premature 5-7 days. From 1981 to 1985, nine trials were conducted in Tianshui, Wudu, Qingyang, Pingliang, Dunhuang and Chengxian. The average yield per mu of Longdan 2 was 1096.2 kg, an increase of 10.5% over that of Zhongdan 2. In 1985, County demonstration 2600 mu, per mu generally super-kilograms. Long No. 2 for Pingliang, Tianshui, Longnan, Qingyang four areas and Linze County planting. Growth period of 120-135 days,