Amino-oligosaccharin was applied on tobacco to control tobacco virus diseases, The results indicate that Amino-oligosaccharin can control TMV and CMV evidently.

• 试验结果表明,喷施氨基寡糖素后能有效促进烟株生长发育,对烟草病毒病有较好的防治作用,特别对CMV防效更佳,室内接种实验防效达到34。