马铃薯是粮、菜兼用经济价值较高的作物。在马铃薯栽培中，薯种极易退化，使薯块变小，产量大大降低。因此，一般是种两、三年后要到北方去换种，这不但很麻烦，而且成本也很高。笔者于1992年开始进行马铃薯脱毒繁殖，经过几年的实践、摸索，形成了一套较完整的脱毒马铃薯的快 Potato is a food with a high economic value. In potato cultivation, potato species can easily degenerate, so that the smaller potato, the output is greatly reduced. Therefore, it is generally a matter of going to the north in two or three years to trade for seed, which is not only troublesome but also costly. I started in 1992 virus detoxification of potatoes, after several years of practice, exploration, forming a more complete virus-free potato faster