{"id":34711,"date":"2021-09-10T13:54:18","date_gmt":"2021-09-10T11:54:18","guid":{"rendered":"https:\/\/foretnature.be\/article-foret-nature\/epiceas-scolytes-impacts-du-bleuissement-sur-les-caracteristiques-de-son-bois-et-sa-valorisation-industrielle\/"},"modified":"2024-10-24T10:28:42","modified_gmt":"2024-10-24T08:28:42","slug":"epiceas-scolytes-impacts-du-bleuissement-sur-les-caracteristiques-de-son-bois-et-sa-valorisation-industrielle","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/epiceas-scolytes-impacts-du-bleuissement-sur-les-caracteristiques-de-son-bois-et-sa-valorisation-industrielle\/","title":{"rendered":"\u00c9pic\u00e9as scolyt\u00e9s : impacts du bleuissement sur les caract\u00e9ristiques de son bois et sa valorisation industrielle"},"content":{"rendered":"<p>Les pullulations de scolytes observ\u00e9es en 2018 dans les pessi\u00e8res wallonnes ont engendr\u00e9 l\u2019afflux sur le march\u00e9 de volumes consid\u00e9rables de bois bleuis. Cette discoloration profonde du bois est la cons\u00e9quence de l\u2019inoculation par les scolytes de champignons de bleuissement, dont les hyphes se d\u00e9veloppent \u00e0 l\u2019int\u00e9rieur des cellules du bois. Ces champignons ne colonisent toutefois que l\u2019aubier et, puisqu\u2019ils n\u2019alt\u00e8rent pas la composition chimique des parois cellulaires, leur incidence sur les propri\u00e9t\u00e9s technologiques du bois est en pratique faible. N\u00e9anmoins, le bleuissement du bois r\u00e9duit substantiellement les perspectives de transformation du mat\u00e9riau. En effet, pour la majorit\u00e9 des fili\u00e8res de valorisation de l\u2019\u00e9pic\u00e9a, le bleuissement du bois diminue l\u2019attrait du produit fini pour le consommateur, voire l\u2019an\u00e9antit totalement. Tr\u00e8s clairement, ce rejet repose davantage sur des consid\u00e9rations esth\u00e9tiques que techniques ou de qualit\u00e9 du produit.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les pullulations de scolytes observ\u00e9es en 2018 dans les pessi\u00e8res wallonnes ont engendr\u00e9 l\u2019afflux sur le march\u00e9 de volumes consid\u00e9rables de bois bleuis. Cette discoloration profonde du bois est la cons\u00e9quence de l\u2019inoculation par les scolytes de champignons de bleuissement, dont les hyphes se d\u00e9veloppent \u00e0 l\u2019int\u00e9rieur des cellules du bois. Ces champignons ne colonisent [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c9pic\u00e9as scolyt\u00e9s : impacts du bleuissement sur les caract\u00e9ristiques de son bois et sa valorisation industrielle - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/article-foret-nature\/epiceas-scolytes-impacts-du-bleuissement-sur-les-caracteristiques-de-son-bois-et-sa-valorisation-industrielle\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9pic\u00e9as scolyt\u00e9s : impacts du bleuissement sur les caract\u00e9ristiques de son bois et sa valorisation industrielle - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Les pullulations de scolytes observ\u00e9es en 2018 dans les pessi\u00e8res wallonnes ont engendr\u00e9 l\u2019afflux sur le march\u00e9 de volumes consid\u00e9rables de bois bleuis. Cette discoloration profonde du bois est la cons\u00e9quence de l\u2019inoculation par les scolytes de champignons de bleuissement, dont les hyphes se d\u00e9veloppent \u00e0 l\u2019int\u00e9rieur des cellules du bois. 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