European Journal of Wood and Wood Products

, Volume 70, Issue 5, pp 551–556 | Cite as

Albino strains of Ophiostoma spp. fungi effect on radiata pine permeability

  • Vicente HernandezEmail author
  • Stavros Avramidis
  • José NavarreteEmail author
Originals Originalarbeiten


Albino strains of Ophiostoma piliferum, Ophiostoma piceae and Ophiostoma floccosum used as single strain and in mixtures are tested for their abilities to increase the permeability of radiata pine sapwood after 2 and 4 weeks of incubation. The bio-treatments yielded permeability increments up to 1.9 and 2.4 times controls after 2 and 4 weeks, respectively. The fungus type involved in the treatments as well as the incubation time appeared as significant factors. Results also suggest that combinations of albino Ophiostoma spp. fungi could increase permeability to higher levels than individual ones, hinting at a possible synergistic relationship among them. Furthermore, treatments with a high concentration of O. floccosum seem particularly successful. Simultaneously to the increment of permeability such bio-treatment might also offer protection against blue sap-stain. Further research is recommended to refine and find an optimum time of incubation, as well as the most effective combination and concentration of fungi.


Permeability Wood Sample Permeability Measurement Resin Canal Albino Strain 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Wirkung von Albinostämmen der Bläuepilze Ophiostoma spp. auf die Permeabilität von Radiatakiefernholz


In dieser Studie wurde untersucht, ob die Permeabilität von Kiefernsplintholz nach zwei- bzw. vierwöchiger Inkubation mit einzelnen oder gemischten Albinostämmen der Bläuepilze Ophiostoma piliferum, Ophiostoma piceae und Ophiostoma floccosum erhöht werden kann. Nach zweiwöchiger Behandlung war die Permeabilität um das 1,9-fache höher als bei den Kontrollproben und nach vierwöchiger Behandlung um das 2,4-fache. Sowohl die Pilzart als auch die Inkubationszeit stellten einen signifikanten Faktor dar. Die Ergebnisse lassen vermuten, dass Kombinationen der Albinostämme von Ophiostoma spp. die Permeabilität stärker erhöhen könnte als einzelne Stämme, was auf mögliche synergetische Beziehungen hinweist. Behandlungen mit hochkonzentriertem O. floccosum schienen besonders erfolgreich zu sein. Gleichzeitig könnte diese Biobehandlung neben der Verbesserung der Permeabilität auch zum Schutz gegen Verblauung eingesetzt werden. Die optimale Inkubationszeit sowie die wirksamste Pilzkombination und -konzentration sollte in weitergehenden Untersuchungen näher erforscht werden.



This work was funded by the Fund for the Promotion of Scientific and Technological Development (FONDEF), Conicyt-Chile, and the Universidad del Bío-Bío through the Fondef Project D01I1160: “Biorreducción del pitch (resina) en madera de pino radiata”; in collaboration with the University of Minnesota and University of British Columbia. The authors also thank Forestal Millalemu S.A. for providing the logs for this study.

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Wood Science Department, Faculty of ForestryUniversity of British ColumbiaVancouverCanada
  2. 2.Departamento de Ingeniería en MaderasUniversidad del Bio-BioConcepciónChile

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