Fig. 3

(A) Schematic illustration of R. solanacearum infection and the Eu@DMSNs/Pec response to their microenvironment. Effect of pH (B), pectin (C) and temperature (D) on the release behaviors of Eugenol from Eu@DMSNs/Pec. (E-F) In vitro antibacterial activity and photographs of Eugenol, DMSNs and Eu@DMSNs/Pec against R. solanacearum. (G) Confocal images of R. solanacearum after exposure to Eugenol and Eu@DMSNs/Pec for 12Â h. (H-I) SEM and TEM of R. solanacearum after exposure to eugenol and Eu@DMSNs/Pec for 12Â h