一、“护国”在晋南地区栽培有已有二十多年历史,为我省晋南南部地区栽培较多的一个优良品种。主要分布在闻喜、侯马、运坡、临猗、永济等地。该品种薯蔓长七至八尺.茎褐色,尖(?)绿色,少茸毛。顶叶褐色,叶深绿色,厚而大;叶脉淡绿色,生长后期叶色变成黄褐色。薯块大,呈园形,结薯不集中。薯皮较厚,黄褐色;薯肉黄色。含淀粉多,纤维较 First, “Protecting the Country” has been cultivated in southern Shanxi for more than 20 years and has been cultivated as a fine variety in the southern part of southern Shaanxi Province. Mainly in Wenxi, Houma, Yun-slope, Lintao, Yongji and other places. The variety is about seven to eight feet long, with a brownish brown tip and a greenish, little hair. Parietal brown, dark green leaves, thick and large; veins pale green, late leaf color into brown. Large tubers, was parked, tuber not concentrated. Thick potato skin, brown; yellow flesh. More starch, more fiber