[Plantlet strengthening medium for Dendrobium candidum Wall. et Linde. of clonal propagation in vitro].

To find a suitable medium for plantlet production of Dendrobium candidum in the period of strengthening plantlet. The basic medium, natural aqueous extracts, density of banana aqueous extract and of plant hormones were tested. The B5 or 1/2MS, added with 10% of banana aqueous extract and 2 mg/L NAA can be used as the best plantlet strengthening medium for Dendrobium candidum.