Efficient Adventitious Shoot Regeneration from Shoot Tip Culture of Rhynchostylis gigantea (Lindl.) Ridl. (amethyst-purple), a Rare Thai Orchid Species
Acclimatization of in vitro Germinated Seedlings of Tiger Orchid (Grammatophyllum speciosum Blume.) in Hydroponic Culture Using Dynamic Root Floating Technique (DRFT) with Chitosan Spraying