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Short Note: Micropropagation of Antarctic Colobanthus quitensis

  • Gustavo E. Zúñiga (a1), Pablo Zamora (a2), Marcelo Ortega (a2) and Alberto Obrecht (a2)
Extract

The Antarctic Pearlwort, Colobanthus quitensis (Kunth.) Bartl. (Caryophyllaceae) is one of the two native vascular plant species that have successfully colonized the maritime Antarctic during the Holocene (Smith 1984). Within the Antarctic biome, it is only found on the Antarctic Peninsula and on islands in the maritime Antarctic (Smith 1984). Its distribution also includes South Georgia (sub-Antarctic), the Falkland Islands, and sites along the Andes, reaching c. 10°N in Mexico (Moore 1970). Moore (1970) observed that C. quitensis is self-compatible and appears to be largely, if not entirely, self-pollinated. Convey (1996), found that maritime Antarctic C. quitensis showed lower allocation to seed production than plants from sub-Antarctic sites.

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Copyright
Corresponding author
*gustavo.zuniga@usach.cl
References
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Alberdi, M., Bravo, L., Gutiérrez, A., Gidekel, M. & Corcuera, L. 2002. Ecophysiology of antarctic vascular plants. Physiologia Plantarum, 115, 479486.
Bravo, L.A., Ulloa, N., Zúñiga, G.E., Casanova, A., Corcuera, L.J. & Alberdi, M. 2001. Cold resistance in Antarctic angiosperms. Physiologia Plantarum, 111, 5565.
Convey, P. 1996. Reproduction of Antarctic flowering plants. Antarctic Science, 8, 127134.
Day, T.A., Ruhland, C.T., Grobe, C.W. & Xiong, F. 1999. Growth and reproduction of Antarctic vascular plants in response to warming and UV radiation reductions in the field. Oecologia, 119, 2435.
Edwards, J.A. & Smith, R.I.L. 1988. Photosynthesis and respiration of Colobanthus quitensis and Deschampsia antarctica from maritime Antarctic. British Antarctic Survey Bulletin, No. 81, 4363.
Moore, D.M. 1970. Studies in Colobanthus quitensis (Kunth) Bartl.and Deschampsia antarctica Desv. II. Taxonomy, distribution and relationships. British Antarctic Survey Bulletin, No. 23, 6380.
Murashige, T. & Skoog, F. 1962. A revised medium for rapid growth and bioassays with tobacco tissue cultures. Physiologia Plantarum, 15, 473479.
Smith, R.I.L. 1984. Terrestrial plant biology of the sub-Antarctic and Antarctic. In: Laws, R.M., ed. Antarctic biology. New York: Academic Press, 61162.
Smith, R.I.L. 1985. Nutrient cycling in relation to biological productivity in Antarctic and sub-Antarctic terrestrial and freshwater ecosystems. In Siegfried, W.R., Condy, P.R. & Laws, R.M., eds. Antarctic nutrient cycles and food webs. Berlin: Springer, 138155.
Smith, R.I.L. 1993. Dry coastal ecosystems of Antarctica. In Van Der Maael, E., ed. Ecosystems of the world, Vol. 2A. Amsterdam: Elsevier, 5171.
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Antarctic Science
  • ISSN: 0954-1020
  • EISSN: 1365-2079
  • URL: /core/journals/antarctic-science
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