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4 中薯4号 4.1 来源:中国农科院蔬菜所育成。 4.2 植物学特征:株型直立,株高50厘米左右,分枝数少,茎绿色,基部呈淡紫色,生长势较强,叶深绿色,复叶挺拔,大小中等,叶缘平展,花冠白色,能天然结实,结薯集中,块茎长圆形,大而整齐,皮肉均淡黄,表皮光滑,芽眼少而浅,块茎休眠期60天左右。 4.3 生物学特性:极早熟,生育期55天左右,蒸食品质优,适于鲜食。每100克鲜薯中含干物质19.1克,淀粉13.3克,还原糖0.47克,粗蛋白2.04克,维生素C 30.6毫克;耐晚疫病,抗疮痂病、PVX、PVY。生长后期轻感PLRV:耐瘠薄,退化
4 potato 4 4.1 Source: Chinese Academy of Agricultural Sciences bred. 4.2 botanical characteristics: plant type upright, plant height of about 50 cm, fewer branches, stems green, the base of lavender, strong growth potential, dark green leaves, the compound leaves tall and straight, medium size, flat leaf margin, corolla white , Can be naturally strong, concentrated potato tubers, oblong, large and tidy, flesh are yellow, smooth skin, bud eye shallow and shallow, dormant tubers about 60 days. 4.3 biological characteristics: very precocious, about 55 days of growth period, steamed food quality, suitable for fresh food. Each 100 grams of fresh potato contains 19.1 grams of dry matter, starch 13.3 grams, 0.47 grams of reducing sugar, crude protein 2.04 grams, 30.6 mg of vitamin C; resistance to late blight, anti-scab disease, PVX, PVY. Light PLRV late growth: resistance to infertility, degradation