Rakhi Chakraborty1,2, Vivekananda Mandal2,*
1Department of Botany, A.P.C. Roy Government College, Matigara, Siliguri - 734010, West Bengal, INDIA.
2Plant and Microbial Physiology and Biochemistry Laboratory, Department of Botany, University of Gour Banga, Mokdumpur, Malda - 732103, West Bengal, INDIA.