当前，我国果树生产正向矮化密植和无毒化栽培发展，培育梨无病毒苗木的研究工作已经起步。茎尖培养是快速繁育无性系种苗和梨脱毒种苗的有效方法，特别是和热处理相结合可提高病毒脱除率，十分引人注目。茎尖培养离体保存果树种质资源，可降低土地、人力和物力的投入，减少或 At present, the production of fruit trees in our country is developing closer to dwarfing and non-toxic cultivation and the research on cultivating pear-free virus seedlings has started. Stem-tip culture is an effective method for rapid breeding of cloned seedlings and pear-free seedlings, especially when combined with heat treatment to increase the virus removal rate. Shoot tips cultured in vitro preserved fruit germplasm resources, can reduce the land, manpower and material resources, reduce or