title Basic density, extractive content and moisture sorption properties of Pinus pinaster wood infected with the pinewood nematode, Bursaphelenchus xylophilus
authors Reva, V; Fonseca, L; Lousada, JL; Abrantes, I; Figueiredo, AR; Viegas, DX
author full name Reva, Valeria; Fonseca, Luis; Lousada, Jose L.; Abrantes, Isabel; Figueiredo, Antonio R.; Viegas, Domingos X.
nationality nacional
language English
document type Article
author keywords Pinewood nematode; Wood density; Extractives; Equilibrium moisture content; Economic impact
abstract The pinewood nematode (PWN), Bursaphelenchus xylophilus, has become one of the most severe threats to pine forest worldwide. Nematodes, migrating through resin canals and feeding on the living cells, induce rapid metabolic changes in ray parenchyma cells, create cavitation areas, decrease xylem water content and oleoresin exudation, and cause necrosis of parenchyma and cambial cells. This study focused on the impact of PWN infection on technological parameters of wood and evaluated the impact of anatomic and biochemical incidences of tree defense reactions on basic density, extractive content and moisture sorption properties of Pinus pinaster wood. Samples of infected and uninfected wood were studied. The presence of nematodes reduced wood basic density by 2 % and decreased the total content of extractives in infected wood as compared with uninfected (5.98 and 8.90 % of dry wood mass, respectively). Extractives in infected trees had inverse distribution along the trunk as compared with uninfected trees. The adsorption isotherms for infected and uninfected wood had similar positioning. We recorded differences (some statistically significant) in the equilibrium moisture content of infected and uninfected wood under varying environmental conditions. Despite the verified differences in wood basic density, extractive content and moisture sorption properties, the overall conclusion is that the PWN had a slight impact on these characteristics of wood.
author address [Reva, Valeria; Figueiredo, Antonio R.; Viegas, Domingos X.] Assoc Dev Ind Aerodynam CEIF ADAI, Ctr Forest Fire Studies, P-3031601 Coimbra, Portugal; [Fonseca, Luis; Abrantes, Isabel] Univ Coimbra, Dept Life Sci, CFE, P-3004517 Coimbra, Portugal; [Lousada, Jose L.] UTAD, Ctr Res & Technol Agroenvironm & Biol Sci CITAB, P-101350018 Vila Real, Portugal
reprint address Reva, V (reprint author), Assoc Dev Ind Aerodynam CEIF ADAI, Ctr Forest Fire Studies, Rua Pedro Hispano 12, P-3031601 Coimbra, Portugal.
e-mail address valeria.reva@yahoo.com
funding agency and grant number FCT (POPH-QREN-Typology 4.1) [SFRH/BPD/40135/2008]; FCT (FCI); FCT (MEC)
funding text This work was supported by Grant No. SFRH/BPD/40135/2008 Funded by FCT (POPH-QREN-Typology 4.1, FCI and MEC).
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cited reference count 40
publisher city HARBIN
issn 1007-662X
29-character source abbreviation J FORESTRY RES
iso source abbreviation J. For. Res.
publication date MAR
year published 2015
volume 26
issue 1
beginning page 233
ending page 240
digital object identifier (doi) 10.1007/s11676-015-0024-1
page count 8
web of science category Forestry
subject category Forestry
document delivery number CB4MO
unique article identifier WOS:000349602100026
CFE authors
Isabel Abrantes
Luís Miguel Bidarra da Fonseca