１　前　言脱毒马铃薯试管苗在无菌条件下利用人工培养基培养，并进行切段繁殖及脱毒种薯的生产，已大量应用于实践。在我省每年４月份以前必须培育出数以万计健康茁壮的试管苗。为此，于１９９５～１９９６年，在我们马铃薯中心实验室以ＭＳ革新培养基为基础，进行钾离子、生 1 Introduction Virus-free potato plantlets under artificial culture medium in sterile conditions, and cut the section breeding and virus-free seed production, has been widely used in practice. Thousands of healthy and healthy plantlets must be nurtured by the province each April. To this end, from 1995 to 1996, in our potato center laboratory to MS-based innovative medium for potassium, raw