Presencia de micorrizas en orquídeas de un jardín botánico neotropical

• Marta Rivas ^[1] ; Jorge Warner ^[2] ; Mariela Bermúdez ^[3]
  1. [1] Universidad Estatal a Distancia

     Universidad Estatal a Distancia

     San Pedro, Costa Rica

     
  2. [2] Universidad de Costa Rica

     Universidad de Costa Rica

     Hospital, Costa Rica

     
  3. [3] Museo Nacional de Costa Rica

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• Localización: Revista de Biología Tropical, ISSN 0034-7744, Vol. 46, Nº. 2, 1998, págs. 211-216
• Idioma: español
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• Resumen

  • Mycorrhizal occurrence was tested in roots of 24 terrestrial and epiphytic orchid species growing at the Lankester Botanical Gardens (Cartago, Costa Rica). Standard staining and light microscopy were used to search for pelotons. Roots in contact with the substrate harbor extensive mycorrhyzal fungi. There may be a wide distribution and density of the fungal flora in the secondary forests of the site, this could explain the high natural regeneration of orchids on the garden.