郑薯9号马铃薯由郑州市蔬菜研究所选育,为早熟品种,生育期56天。株高44厘米,株型直立,茎绿色,单株主茎数1.2个,生长势较强。叶片浅绿,花白色,少花,有天然结果。块茎椭圆形,黄皮白肉,表皮光滑,芽眼浅,匍匐茎短。薯块整齐,大中薯率在89%以上,单株结薯2.2个。植株抗卷叶病毒病 Zheng potato potato No. 9 Zhengzhou City Vegetable Research Institute breeding, early maturing varieties, growth period of 56 days. Plant height 44 cm, plant type erect, stem green, the number of main stems per plant 1.2, strong growth potential. Light green leaves, flowers white, less flowers, with natural results. Tuber oval, yellow white meat, smooth skin, shallow eyes, stolons short. Tidy tubers, medium and large potato rate of 89% or more, single plant tubers 2.2. Plant anti-leafroll virus disease