１前言脱毒后的种薯在继代繁殖过程中，普遍存在着不可避免的重新感毒，逐年积累加重，最后完全失去脱毒作用的问题。因此马铃薯脱毒后，在继代扩繁中能否控制和减轻病毒侵染，在最短时期内繁殖出大量可以满足大田生产用的优质脱毒种薯，是马铃薯脱毒技术能否在生产上充分... 1 Introduction The detoxification of seed in the subsequent breeding process, the prevalence of unavoidable re-susceptibility, accumulated year by year increased, and finally completely lost the role of detoxification. Therefore, after detoxification of the potato, whether it can control and reduce virus infection in the expansion of the succeeding generations and reproduce a large number of high-quality virus-free seedlings for field production in the shortest period is whether potato detoxification technology can be produced or not full...