龙薯 3号系我所 1996年在岩薯 5号茎尖组培苗变异株中经过选育而成 ,具有高产、优质、高抗蔓割病等特点。该品种为短蔓半直立株型 ,顶叶紫色 ,叶为心脏形 ,叶脉绿色 ,叶柄、蔓绿色 ,茎蔓粗中等 ,分枝较多 ,薯块为纺缍形 ,薯皮为红色 ,光滑 ,薯肉桔红色。结薯早 ,结薯集中 ,单株 Longshu No.3 was made by our company in 1996 in the mutagenesis of the tip culture plantlets of the Iwate No. 5, which has the characteristics of high yield, high quality, high resistance to the disease of the cut and the like. The variety is short manshare vertical plant type, the top of the purple leaves, heart-shaped leaves, veins green, petiole, vine green, thick stems moderate, more branches, tuberous spun-shaped, potato skin is red, smooth , Orange red meat. Early tuber, tuber concentrated, single plant