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A great interest towards investigating bactericidal properties of nanoparticles as an alternative to antibiotics has been initiated. Chitosan based nanoparticles (Ch-CuNPs) were prepared by use of water soluble chitosan solution (1.0 %) with CuSO4.5H2O (10 mM) and pomegranate aril extract (1.4 %) under magnetic stirrer for 24 h at room temperature. The synthesized nanoparticles were characterized by Atomic Force Microscope (AFM) and Particle Size Analyzer (PSA) and tested for their antibacterial activity against pomegranate blight pathogen, Xanthomonas axonopodis pv. punicae. The average size of Ch-CuNPs was 89.39 nm. The synthesized nanoparticles were evaluated against Xap with eight concentrations. The results revealed that, chitosan-CuNPs were effectively inhibited the growth of Xap at 1000 ppm concentration and remained on par with standard antibiotic check streptocycline of 500 ppm. | Green synthesis of chitosan based copper nanoparticles and their bio-efficacy against bacterial blight of Pomeg (Xanthomonas axonopodis pv. punicae)
