title: Durability of five native Argentine wood species of the genera Prosopis and Acacia decayed by rot fungi and its relationship with extractive content.
abstract: The natural durability of four Argentinean species of Prosopis and one of Acacia was evaluated in laboratory tests, according to European standards, using three brown rot and one white rot fungi. These tests were complemented by assessing the wood chemical composition. All the species were from moderately slightly durable to very durable (classes 4-1), and in all cases the heartwood was the most resistant to fungal attack. Chemical extractives content (organic, aqueous, tannic and phenolic) was higher in the heartwood. However, species durability was not related to extractive contents nor with wood density. Instead, it is possible that extractives could contribute to natural durability in different ways, including the effects related to the antioxidant properties of some of them.
authors.affiliation: Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina cpometti@ege.fcen.uba.ar
authors.forename: Carolina L
authors.initials: CL
authors.lastname: Pometti
authors.forename: Sabrina
authors.initials: S
authors.lastname: Palanti
authors.forename: Benedetto
authors.initials: B
authors.lastname: Pizzo
authors.forename: Jean-Paul
authors.initials: JP
authors.lastname: Charpentier
authors.forename: Nathalie
authors.initials: N
authors.lastname: Boizot
authors.forename: Claudio
authors.initials: C
authors.lastname: Resio
authors.forename: Beatriz O
authors.initials: BO
authors.lastname: Saidman
mesh_terms: D000045:Acacia / Q000737:chemistry* / Q000382:microbiology*; D001118:Argentina; D001487:Basidiomycota / Q000472:pathogenicity / Q000502:physiology*; D018533:Biomass; D005843:Geography; D010636:Phenols / Q000032:analysis; D010935:Plant Diseases / Q000382:microbiology; D010936:Plant Extracts / Q000032:analysis*; D029862:Prosopis / Q000737:chemistry* / Q000382:microbiology*; D014774:Virulence; D014934:Wood / Q000382:microbiology*
chemical_list: D010636:Phenols; D010936:Plant Extracts