针对我国早熟马铃薯品种缺乏，早熟品种表现抗病性差，退化快，商品性差等问题，中国农科院蔬菜花卉研究所近几年先后育成了中薯３号、中薯４号等早熟、丰产、抗病性和薯块性状表现突出的马铃薯品种，均已通过北京市农作物品种审定委员会审定。中薯３号特征特性早熟，出苗后６ In view of the lack of precocious potato varieties in our country, precocious varieties show poor disease resistance, fast degradation and poor commercial properties, the Institute of Vegetable and Flower Research of Chinese Academy of Agricultural Sciences in recent years has bred Zhongzhu No.3 and Zhongshu No.4 such as early maturity, high yield, Potato varieties with outstanding disease resistance and tuber traits have been validated by Beijing Crop Variety Approval Committee. Chinese potato 3 characteristics of early maturity, after emergence 6