{"id":4350,"date":"2020-07-23T10:37:51","date_gmt":"2020-07-23T08:37:51","guid":{"rendered":"https:\/\/ist.blogs.inrae.fr\/afs\/?p=4350"},"modified":"2020-07-23T10:37:51","modified_gmt":"2020-07-23T08:37:51","slug":"physical-chemical-and-mechanical-wood-properties-of-pinus-nigra-growing-in-portugal","status":"publish","type":"post","link":"https:\/\/ist.blogs.inrae.fr\/afs\/2020\/07\/23\/physical-chemical-and-mechanical-wood-properties-of-pinus-nigra-growing-in-portugal\/","title":{"rendered":"Physical, chemical and mechanical wood properties of Pinus nigra growing in Portugal"},"content":{"rendered":"<script type='text\/javascript' src='https:\/\/d1bxh8uas1mnw7.cloudfront.net\/assets\/embed.js'><\/script><p align=\"justify\"><strong>Key message<\/strong><br \/>\nThe wood of <em>Pinus nigra<\/em> populations planted in Portugal, comparatively to <em>Pinus pinaster<\/em> , has higher total extractive content, lower Klason lignin and H\/G ratio, and similar mechanical properties, presenting advantages for industrial purposes.<\/p>\n<p align=\"justify\"><strong>Abstract<\/strong><br \/>\n<strong>Context<\/strong> <em>P. nigra<\/em> was used in the reforestation of mountainous areas in Portugal, but its wood chemical and mechanical properties were never studied.<br \/>\n<strong>Aims<\/strong> This work intends to evaluate the chemical and mechanical wood properties of the <em>P. nigra<\/em> populations planted in Portugal, to relate these properties with previously characterised physical features and to compare these data with other European <em>P. nigra<\/em> stands and species, namely, <em>P. pinaster<\/em>.<br \/>\n<strong>Methods<\/strong> Wood chemical and mechanical properties were analysed in 90 trees from six Portuguese sites, using near-infrared (NIR) spectrometry and the three-point bending test.<br \/>\n<strong>Results<\/strong> The wood of the <em>P. nigra<\/em> populations planted in Portugal presented average values of total extractive content\u2009=\u20099.4%, Klason lignin\u2009=\u200926.69%, MORRad =\u200914.93 MPa and MOERad =\u20091200.98 MPa. Ring density showed no significant correlation with ring width.<br \/>\n<strong>Conclusion<\/strong> The <em>P. nigra<\/em> populations planted in Portugal presented qualitative and quantitative properties similar to <em>P. pinaster<\/em> wood, the main resinous species in Portugal. Facing the lack of raw material for wood industry due to frequent forest fires in the Mediterranean region, <em>P. nigra<\/em> could be used to reforest mountainous areas of those regions.<\/p>\n<p><strong>Keywords<\/strong><br \/>\nEuropean black pine, NIR spectrometry, MOE radial and MOR radial, Wood density, X-ray microdensitometry<\/p>\n<div class='altmetric-embed' data-badge-type='donut' data-doi='10.1007\/s13595-020-00984-8'  style='float: right; ' ><\/div>\n<p><strong>Publication<\/strong><br \/>\nDias, A., Carvalho, A., Silva, M.E. et al. Physical, chemical and mechanical wood properties of Pinus nigra growing in Portugal. Annals of Forest Science 77, 72 (2020). <a href=\"https:\/\/doi.org\/10.1007\/s13595-020-00984-8\">https:\/\/doi.org\/10.1007\/s13595-020-00984-8<\/a><\/p>\n<p><strong>For the read-only version of the full text:<\/strong><br \/>\n<a href=\"https:\/\/rdcu.be\/b5NvZ\">https:\/\/rdcu.be\/b5NvZ<\/a><\/p>\n<p><strong>Data availability<\/strong><br \/>\nThe datasets generated during and\/or analysed during the current study are available in the figshare repository [<a href=\"https:\/\/doi.org\/10.6084\/m9.figshare.12185223\">https:\/\/doi.org\/10.6084\/m9.figshare.12185223<\/a>]<\/p>\n<p><strong>Handling Editor<\/strong><br \/>\nJean-Michel Leban<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key message The wood of Pinus nigra populations planted in Portugal, comparatively to Pinus pinaster , has higher total extractive content, lower Klason lignin and H\/G ratio, and similar mechanical properties, presenting advantages for industrial purposes. Abstract Context P. nigra was used in the reforestation of mountainous areas in Portugal, but its wood chemical and [&hellip;]<\/p>\n","protected":false},"author":109,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,110,15],"tags":[],"class_list":["post-4350","post","type-post","status-publish","format-standard","hentry","category-article-type","category-data-in-repository","category-research-paper","cat-14-id","cat-110-id","cat-15-id"],"_links":{"self":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts\/4350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/comments?post=4350"}],"version-history":[{"count":0,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts\/4350\/revisions"}],"wp:attachment":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/media?parent=4350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/categories?post=4350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/tags?post=4350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}