苹果砧木组培苗耐盐筛选技术研究

Experiments were conducted with subculture plantlets of M7 and SH15 (Ralls Janet×M.honanensis Rehd.), the injury caused by 4 kind of combined salts were counted. Results showed that the ingredient of the combined salts was more important than the total salt concentration. When supplied NaCl and eluate of salinized soil to subculture plant and rooting plant, it could be found that between rootless subculture plant and rooting plant had relatedness on salt tolerance aspect on M7、M. micromalus and SH15. The salt toxin of subculture plant and rooting plant in eluate of salinized soil was similar to that of 0.1% NaCl.