随着农业结构的调整，粮食作物与经济作物结构发生了变化。蔬菜、果树、花卉、牧草等经济作物面积已大于粮食生产面积，新的品种也越来越多，耕作越来越细。脱毒马铃薯是我国粮、菜兼作的一种易栽培、耐贮运、市场大的经济作物，具有一定的市场前景。 脱毒马铃薯主要是以块茎 With the restructuring of agriculture, the structure of food crops and cash crops has changed. The area of ​​cash crops such as vegetables, fruit trees, flowers and pastures has exceeded the area of ​​food production, more and more new varieties are cultivated, and farming has become increasingly finer. Virus-free potato is a kind of economic crop that is easy to cultivate, storage-resistant and transportable in the market and big market in our country. It has some market prospects. Virus-free potatoes are mainly tubers