Abstract
Protoplasts have been isolated from a handful of forest tree species, and cultured in a few (see 1,2). Because of inadequate knowledge on the in vitro growth and differentiation requirements of cells from forest tree species, it has been extremely difficult to obtain sustained cell division/callus formation from forest tree protoplast cultures. Following isolation, cell wall formation and cell division have been observed in Pinus pinaster and Biota orientalis (3), Picea excelsa (4) and colony/callus formation in Pseudotsuga menziesii (5). So far it has not possible to regenerate whole plants from forest tree protoplasts. We have been able to isolate exceptionally large mesophyll protoplasts, here designated Mega protoplasts from a forest tree species, Populus tremula (aspen). Here we report on the developmental potential of mega as well as normal protoplasts of aspen.
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References
Ahuja, M. R. (1981). In Coll. Int. sur la Culture “In Vitro” des Essences Forestieres, AFOCEL, Nangis, France, pp. 315–337.
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Wetter, L. C., and Constabel, F. (1982) Plant Tissue Culture Methods, National Research Council of Canada, Saskatoon.
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© 1983 Springer Basel AG
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Ahuja, M.R. (1983). Developmental Potential of Mega and Normal Protoplasts in Populus. In: Potrykus, I., Harms, C.T., Hinnen, A., Hütter, R., King, P.J., Shillito, R.D. (eds) Protoplasts 1983. EXS 45: Experientia Supplementum, vol 45. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-6556-2_13
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DOI: https://doi.org/10.1007/978-3-0348-6556-2_13
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