Effective and rapid in vitro plantlet regeneration from protocorms of Cymbidium aloifolium using chitosan, coconut water potato extract were investigated. Two experiments performed twelve week old size 2-3 mm. In the first experiment, propagated on solid New Dogashima (ND) medium supplemented with various concentrations chitosan (0, 0.05, 0.10 1.00 mg/l). For second cultured same 100, 150 200 m...