1Department of Botany, Kalyani University, Kalyani, Nadia
2National Research Center on DNA Fingerprinting, NBPGR, Pusa, New Delhi 110 012
Biotechnology Lab., Faculty of Horticulture, Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar 736 165
*Corresponding author's e-mail: mondaltk@yahoo.com
Online published on 3 April, 2012.