Tirupathi Swamy Nattala* Acharya Nagarjuna University, guntur, Andhrapradesh India
Dept. Of Botany & MicrobiologyAcharya Nagarjuna UniversityNagarjunanagar - 522510Guntur, Andhra Pradesh (State). INDIA.
K. Babu Department of Botany and Microbiology, Acharya Nagarjuna University, Nagarjunanagar – 522510, Guntur, A.P., India
G. Rosaiah Department of Botany and Microbiology, Acharya Nagarjuna University, Nagarjunanagar – 522510, Guntur, A.P., India
K. Srinivasa Rao Department of Botany, Government Jr. College, Mamidikuduru, East Godhavari, A.P., India