Shoots of arabica and robusta coffee showed increased growth when incubated on MS medium containing silver nitrate and indole acetic acid and benzyladenine. Different concentrations of silver nitrate had the greatest effect on the various growth parameters.

Vanilla planifolia can be propagated using phenyl acetic acid (PAA) as a primary factor to induce multiple shoots from axillary buds. Shoots can be induced and then elongated in media containing MS salts, vitamins, and PAA. Elongation of shoots and formation of new shoots from nodes was achieved on medium containing BA + PAA. The shoots could be rooted on a medium supplemented with indole butyric acid and after hardening and transfer to the field, 70-80% survived.

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