Jhansi Katta Department of Botany and Microbiology, Acharya Nagarjuna university, Nagarjunanagar, Guntur 522510 India
Khasim S.M. Department of Botany and Microbiology, Acharya Nagarjuna university, Nagarjunanagar, Guntur 522510 India
Venkatesh R.M. Department of Botany and Microbiology, Acharya Nagarjuna university, Nagarjunanagar, Guntur 522510 India