New Forests

, Volume 44, Issue 6, pp 937–949 | Cite as

Ectomycorrhizal inoculation with Pisolithus tinctorius increases the performance of Quercus suber L. (cork oak) nursery and field seedlings

  • Mónica Sebastiana
  • Vanessa Tolentino Pereira
  • André Alcântara
  • Maria Salomé Pais
  • Anabela Bernardes Silva


Mediterranean ecosystems are characterized by large arid areas where the patchy distribution of trees offers little protection against harsh climate conditions for seedling establishment. Climate change is predicted to result in an increase in these arid regions, with pronounced effects on vegetation. Production of seedlings with developed ectomycorrhizas is a promising strategy for minimizing the initial transplant shock, thereby increasing plant survival and growth during the first, most critical years of a plantation. One important species in the Mediterranean basin is Quercus suber (cork oak), which occurs, together with other evergreen oak species, in an agro-silvo-pastoral system that represents an example of sustainable land use in Europe. In this study, a Pisolithus tinctorius isolate was used for ectomycorrhizal colonization of cork oak nursery seedlings, and the effects on aboveground plant growth and leaf structural and physiological parameters were investigated. Ectomycorrhizal development resulted in a significant increase in leaf area, dry weight, nitrogen content, and photosynthetic pigments, and mycorrhizal plants showed a higher photosynthetic capacity and water use efficiency. Nursery-inoculated plants established in the field showed increased survival and growth during the first year after transplant. These results indicate a potential for further enhancing the use of mycorrhizal inoculation as a cultivation practice in forest nurseries. Considering the difficulty of soil restoration under limiting environmental conditions, nursery inoculation with ectomycorrhizal fungi can be an important advantage for improving the quality of seedling stock and its performance after out-planting in the field, benefiting the regeneration of arid regions and the reintroduction of inocula of ectomycorrhizal fungi into these areas.


Ectomycorrhizas Inoculation Reforestation Photosynthesis Water use efficiency Photosynthetic pigments 



This work was supported by the Science and Technology Foundation (FCT), Portugal, project PTDC/AGR-AAM/105531/2008 and the Center for Biodiversity, Functional & Integrative Genomics (BioFIG, Portugal). Sebastiana M has a postdoctoral grant awarded by the Science and Technology Foundation (FCT), Portugal. Alcântara A has a master grant awarded by the Science and Technology Foundation (FCT), Portugal. We are very grateful to Paulo Bessa (Corticeira Amorim S. A.) for support for this study. Our special thanks to Pedro Silveira (Herdade do Azinhal, Portugal) for managing the seedlings in the field.


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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Mónica Sebastiana
    • 1
  • Vanessa Tolentino Pereira
    • 1
  • André Alcântara
    • 2
  • Maria Salomé Pais
    • 1
  • Anabela Bernardes Silva
    • 2
  1. 1.Plant Systems Biology Lab, Center for Biodiversity, Functional & Integrative Genomics (BioFIG), Faculty of SciencesLisbon UniversityLisbonPortugal
  2. 2.Plant Molecular Biology and Biotechnology Laboratory, Center for Biodiversity, Functional & Integrative Genomics (BioFIG), Faculty of SciencesLisbon UniversityLisbonPortugal

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