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Mycorrhiza

, Volume 19, Issue 3, pp 205–214 | Cite as

Mycorrhizal status of plant species in the Chaco Serrano Woodland from central Argentina

  • Sebastian Fracchia
  • Adriana Aranda
  • Analia Gopar
  • Vanesa Silvani
  • Laura Fernandez
  • Alicia Godeas
Short Note

Abstract

We examined the mycorrhizal type of 128 plant species in two patches of native vegetation of the Chaco Serrano Woodland, central Argentina, the largest dry forest area in South America. Of the 128 plant species investigated (belonging to 111 genera in 53 families), 114 were colonized by arbuscular mycorrhizal fungi (AM), orchid mycorrhizal associations were present in the five terrestrial orchid species analyzed, one ectomycorrhiza was only present in Salix humboldtiana Willd., and 96 harbored a dark septate endophyte (DSE) association. Co-occurrence of AM and DSE was observed in 88 plant species. We determine morphological types of arbuscular mycorrhizal fungi (Arum, Paris, and intermediate AM structures) and report the mycorrhizal status in 106 new species, 12 of which are endemic to central Argentina and two, Aa achalensis Schltr. and Buddleja cordobensis Griseb., are declared to be vulnerable species. Root colonization in the Chaco Serrano Woodland is widespread and should be considered in revegetation programs due to the deterioration of this particular ecosystem. Considering the predominance of AM and DSE associations and the various potential benefits that these associations may bring to plant establishment, they should receive special attention in conservation and reforestation of these woodlands.

Keywords

Mycorrhiza Arbuscular mycorrhiza AM morphology Paris Arum Dark septate endophytes Chaco Serrano woodland Argentina 

Notes

Acknowledgements

We wish to thank L. Peterson for critical reading of the manuscript. Financial support from Agencia Nacional de Ciencia y Tecnología (PICT 13404), Universidad de Buenos Aires (UBACyT X028), and CONICET (PIP 5003) is gratefully acknowledged.

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Sebastian Fracchia
    • 1
  • Adriana Aranda
    • 2
  • Analia Gopar
    • 1
  • Vanesa Silvani
    • 1
  • Laura Fernandez
    • 1
  • Alicia Godeas
    • 3
  1. 1.CONICETBuenos AiresArgentina
  2. 2.Universidad de Buenos AiresBuenos AiresArgentina
  3. 3.Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresBuenos AiresArgentina

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