Antibacterial properties of Ageratum conyzoides l.

Antibacterial activity of root, stem and leaf extracts of Ageratum conyzoides L. was tested against Bacillus subtilis, Escherichia coli, Pseudomonas aeruginosa and Klebsiella pneumonia. For this purpose the extracts were prepared in chloroform, methanol, and acetone. Agar well diffusion method was followed to test antibacterial activity, which was compared with Ciprofloxacin. All parts of Ageratum inhibited in vitro growth of all bacteria under investigation, however the leaves were found to be more effective.