Sweet potato tissue cultured seedlings increase significantly in ABA concentration 9hrs after treatment with FSB filtrate, while the ABA concentrations decrease and the GA1/3 concentration increases sharply at 15hrs.

• 甘薯组培苗经FSB代谢产物外源处理9小时后，ABA含量显著上升，处理15小时后，ABA含量呈下降趋势。 然而，GA_(1/3)含量在处理15小时时出现显著上升。