Fig. 6From: Sterilization protocols and the effect of plant growth regulators on callus induction and secondary metabolites production in in vitro cultures Melia azedarach L.The effect of auxins (A) and cytokinins (B) concentration on TPC, TFC and AC content in the callus cultures of M. azedarach L. Bars with different letters indicate a significant difference (P ≤ 5%) according to Duncan’s Multiple-Range Tests (DMRTs)Back to article page