Abstract
An in vitro culture system was developed for Typhonium flagelliforme using buds from the rhizomes. The mineral salts of four media were tested. These were Murashige and Skoog (MS), Nitsch and Nitsch (NN), Gamborg B5 (GB5) and White (W) of which MS medium was found to be the best medium for in vitro culture of T. flagelliforme. The addition of as low as 0.1 mg l−1 (0.54 μM) α-naphthalene acetic acid (NAA) with the presence or absence of N6-benzyladenine (BA) in the MS medium caused abnormal shoot formation. The best medium for maximizing shoot number combined with normal complete plantlets from each bud was MS medium supplemented with 0.3 mg l−1 (1.33 μM) BA and 0.5 mg l−1 (2.46 μM) indole-3-butyric acid (IBA). The best acclimatization process was to transfer the normal plantlets, with all the leaves removed, into sand plus coconut husks substrate (1∶1) and placed in intermittent water mists house or shaded plant house with 50% light exclusion. Ninety two percent of the plantlets survived using this acclimatization method.
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