{"id":34086,"date":"2021-09-06T10:26:11","date_gmt":"2021-09-06T08:26:11","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/la-filiere-du-chene-epaulee-par-ladn\/"},"modified":"2021-09-08T11:37:19","modified_gmt":"2021-09-08T09:37:19","slug":"la-filiere-du-chene-epaulee-par-ladn","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/la-filiere-du-chene-epaulee-par-ladn\/","title":{"rendered":"La fili\u00e8re du ch\u00eane \u00e9paul\u00e9e par l\u2019ADN"},"content":{"rendered":"<p>La variabilit\u00e9 des caract\u00e9ristiques chimiques et physiques du bois de ch\u00eane est influenc\u00e9e par des variables environnementales mais \u00e9galement g\u00e9n\u00e9tiques. Pour l\u2019industrie du bois et la viticulture, il est int\u00e9ressant de pouvoir caract\u00e9riser et expliquer les variations du bois de ch\u00eane selon la provenance g\u00e9ographique et g\u00e9n\u00e9tique. Divers outils sont d\u00e9sormais mis \u00e0 disposition de la fili\u00e8re du ch\u00eane.<br \/>\nL\u2019analyse de l\u2019ADN chloroplastique r\u00e9alis\u00e9 par l\u2019INRA a permis de classer les ch\u00eanaies europ\u00e9ennes selon diff\u00e9rentes familles g\u00e9n\u00e9tiques. Cette base de donn\u00e9es a \u00e9t\u00e9 le point de d\u00e9part pour la cr\u00e9ation de divers outils tels que la possibilit\u00e9 de d\u00e9terminer une ou des zones g\u00e9ographiques permettant de r\u00e9pondre \u00e0 une question pos\u00e9e (par exemple : quelle est l\u2019origine d\u2019un lot de bois ?). Gr\u00e2ce \u00e0 cela, il est possible pour la fili\u00e8re for\u00eat-bois d\u2019am\u00e9liorer la tra\u00e7abilit\u00e9 des ressources et de d\u00e9velopper de nouvelles strat\u00e9gies d\u2019approvisionnement de bois de ch\u00eanes pour les industries sp\u00e9cialis\u00e9es (m\u00e9randiers).<br \/>\nLa caract\u00e9risation g\u00e9n\u00e9tique des deux esp\u00e8ces de ch\u00eanes (sessile et p\u00e9doncul\u00e9) aboutit r\u00e9guli\u00e8rement \u00e0 observer des individus hybrides. Gr\u00e2ce \u00e0 un outil performant d\u2019analyse ADN, on peut, sur base de glands, plants, grumes ou bois frais, d\u00e9terminer le taux d\u2019hybridation d\u2019un lot de mat\u00e9riel forestier et le positionner entre les deux esp\u00e8ces (par exemple : hybride \u00e0 tendance sessile, en pourcentage).<br \/>\nCes divers outils sont le point de d\u00e9part d\u2019une meilleure efficacit\u00e9 de la fili\u00e8re du ch\u00eane, de la graine au produit fini.<br \/>\nHarvengt L., Durandeau K. (2016). L&rsquo;analyse de l&rsquo;ADN des ch\u00eanes au service de la tonnellerie et de la fili\u00e8re graines et plants. FCBA Info, juin 2016 (photo : FCBA).<\/p>","protected":false},"excerpt":{"rendered":"<p>La variabilit\u00e9 des caract\u00e9ristiques chimiques et physiques du bois de ch\u00eane est influenc\u00e9e par des variables environnementales mais \u00e9galement g\u00e9n\u00e9tiques. Pour l\u2019industrie du bois et la viticulture, il est int\u00e9ressant de pouvoir caract\u00e9riser et expliquer les variations du bois de ch\u00eane selon la provenance g\u00e9ographique et g\u00e9n\u00e9tique. Divers outils sont d\u00e9sormais mis \u00e0 disposition de [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La fili\u00e8re du ch\u00eane \u00e9paul\u00e9e par l\u2019ADN - 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\/resume-foret-mail\/la-filiere-du-chene-epaulee-par-ladn\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La fili\u00e8re du ch\u00eane \u00e9paul\u00e9e par l\u2019ADN - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"La variabilit\u00e9 des caract\u00e9ristiques chimiques et physiques du bois de ch\u00eane est influenc\u00e9e par des variables environnementales mais \u00e9galement g\u00e9n\u00e9tiques. Pour l\u2019industrie du bois et la viticulture, il est int\u00e9ressant de pouvoir caract\u00e9riser et expliquer les variations du bois de ch\u00eane selon la provenance g\u00e9ographique et g\u00e9n\u00e9tique. 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