Abstract

The chelating agents, EDDHA, its iron salt, EDTA, and salicylic acid enhance bud formation in Bartramidula bartramioides (Griff.) Wijk & Marg. Salicylic acid elicits optimal response at 10–4M, whereas the other substances do so at 10–7M. Increased concentration of ferric citrate and cupric sulphate also stimulate bud induction. The accumulation of Fe3+ and Cu2+ is facilitated by chelators. The endogenous iron content is maximum at 10–7M EDDHA or EDTA, which is also the concentration optimal for bud induction.

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