Fig. 6. Antibacterial activity of the pm-CuO nanoparticles: (A) well-diffusion antibacterial assay of pm-CuO NPs for plant pathogenic Gram-negative bacteria (Xanthomonas oryzae). CT, Control (plant extract – Annona squamosa); PC, Positive control (Ampicillin). (B) Zone of inhibition of PC and different concentrations of pm-CuO NPs (500 and 1000 μg) on Xanthomonas oryzae.
