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Decay susceptibility of Amazon wood species from Brazil against white rot and brown rot decay fungi 10 th EWLP, Stockholm, Sweden, August 25–28, 2008

2009; De Gruyter; Volume: 63; Issue: 6 Linguagem: Inglês

10.1515/hf.2009.119

1437-434X

Jane Silveira Carneiro, Luciano Emmert, Gerson Henrique Sternadt, Julio César Mendes, Getúlio F. Almeida,

Plant Pathogens and Fungal Diseases

Abstract A total of 28 tropical Amazon woods – many of them rarely used – from Tapajós National Forest, Pará state, Brazil, were tested for their natural resistance against the decay fungi: Ganoderma applanatum , Trametes versicolor , Pycnoporus sanguineus , Meruliporia incrassata , and Gloeophyllum trabeum . The wood resistance classification was made according to the ASTM D 2017-81 method. High variability on susceptibility to wood decay fungi was found. Their mean weight losses varied from 0.6% to 45.6%. Highly resistant species include: Astronium gracile , Bagassa guianensis , Caryocar villosum , Claricia racemosa , Diplotropis purpurea , Dipteryx odorata , Hymenaea courbaril , Manilkara huberi , Mezilaurus itauba , Sextonia rubra , Tabebuia incana, and Vatairea paraensis . The following wood species are less durable: Brosimum parinarioides , Jacaranda copaia , Laetia procera , Pouteria pachycarpa , Virola caducifolia , and Trattinnickia rhoifolia . Meruliporia incrassata caused extensive weight losses in most of the investigated Amazon wood species.