The present experiment was conducted to find out the most suitable surface sterilant and timing for controlling contamination in the leaf segment explants of Ashoka (Saraca asoca Roxb. De Wilde) using MS as basal medium with BAP ( mg/l) and NAA (). | Nội dung Text Effect of various surface sterilant on contamination and callus regeneration of ashoka Saraca asoca Roxb. De Wilde from leaf segment explant