Fig. 1

Effect of chitosan levels on SFW of Melissa officinalis shoot cultures. Each value is expressed as mean ± standard deviation. Differences were significant at p < 0.05 level (one-way ANOVA followed by LSD test)
Effect of chitosan levels on SFW of Melissa officinalis shoot cultures. Each value is expressed as mean ± standard deviation. Differences were significant at p < 0.05 level (one-way ANOVA followed by LSD test)