Chikwendu C. I.1*, S. N. Ibe2 and G. C. Okpokwasili2
1Department of Microbiology, School of Science, Federal University of Technology, P. M. B. 1526, Owerri, Imo State, Nigreia.
2Department of Microbiology, Faculty of Science, University of Port Harcourt, Choba, Rivers State, Nigreia.
