Abstract
Regeneration of plantlets from shoot apex-derived callus and “calloid” cultures of a local taro [Colocasia esculenta var. antiquorum cv. Keladi Birah] cultivar, was expedited by treatment with high levels of spermine. The total time taken, from culture of primary shoot apices on modified Linsmaier and Skoog medium supplemented with trichlorophenoxyacetic acid and kinetin, to complete plantlet regeneration, was reduced by 2–16 weeks, when the callus and “calloid” cultures were treated with 0.01, 0.1 and 1 mM spermine. Furthermore, the number of plantlets produced per gram callus increased from 25 to 55. On media supplemented with arginine and ornithine, no callus was initiated from expiants and no plantlets differentiated from pre-established callus.
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Communicated by J. M. Widholm
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Sabapathy, S., Nair, H. In vitro propagation of taro, with spermine, arginine and ornithine. Plant Cell Reports 14, 520–524 (1995). https://doi.org/10.1007/BF00232787
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DOI: https://doi.org/10.1007/BF00232787