The time of dipping leaf pieces in suspension affected not only the gene transfer efficiency, but also the inhibition by cefotaxime of the growth of Agrobacterium on explants.

• 叶片在菌液中的浸泡时间不仅影响基因转移效率，而且影响头孢霉素对外植体上农杆菌生长的抑制效果。