P. Suvarnalatha Devi1, M. N. Reddy1, M. Nagalakshmi Devamma2, P. Jayalakshmi1, G. Revathi1 and G. Narasimha3*
1Department. of Applied Microbiology, S.P.Mahila Visvavidyalayam, Tirupati, India.
2Department of Botany, Sri Venkateswara University, Tirupati, India.
3Applied Microbiology Laboratory Department of Virology, Sri Venkateswara University, Tirupati, India.
