“7401”号系庐山马铃薯育种站近年育成的马铃薯早熟新品种。该品种植株直立,秆矮,分枝少。叶片较小,呈淡青色,花白色,开花少。薯块呈卵园形,皮薄而光滑,芽眼少而浅,薯块大小整齐一致。一般单株结薯2～3个,多的可达4～6个;单株平均重量为0.55斤,高的可达0.7～0.8斤。品质佳,水份少,淀粉含量高,耐贮藏,抗病力强,适应性好。前期生长细弱,后期生长势快。适宜于春秋二季栽培,一季亩产在2,500～3,000斤。 “7401” Lushan potato breeding station in recent years bred new varieties of potatoes. The variety of plants erect, short stalk, less branches. Leaves smaller, pale green, white flowers, less flowering. Potato tubers were oval-shaped, thin and smooth, buds less shallow, size neat and tidy. General single plant tuber 2 to 3, up to 4 to 6; average weight of 0.55 kg per plant, high up to 0.7 to 0.8 kg. Good quality, less water, high starch content, storage resistance, disease resistance, good adaptability. Pre-weak growth, rapid growth late fast. Suitable for spring and autumn cultivation, a quarter per mu in 2,500 to 3,000 pounds.