{"id":45996,"date":"2025-11-14T14:17:39","date_gmt":"2025-11-14T13:17:39","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&p=45996"},"modified":"2025-11-14T14:17:39","modified_gmt":"2025-11-14T13:17:39","slug":"paulownia-un-potentiel-de-productivite-record-mais-beaucoup-dincertitudes","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/paulownia-un-potentiel-de-productivite-record-mais-beaucoup-dincertitudes\/","title":{"rendered":"Paulownia : un potentiel de productivit\u00e9 record mais beaucoup d\u2019incertitudes"},"content":{"rendered":"

Le paulownia, essence originaire d’Asie (surtout Chine), a \u00e9t\u00e9 introduit en Europe d\u00e8s 1834, initialement pour sa spectaculaire floraison printani\u00e8re et son usage ornemental dans les parcs et jardins.<\/p>\n

Aujourd’hui, en France, certaines entreprises le promeuvent pour la qualit\u00e9 de son bois \u2013 r\u00e9put\u00e9 pour \u00eatre tr\u00e8s l\u00e9ger et facile \u00e0 travailler \u2013 ainsi que pour la promesse d’une tr\u00e8s haute productivit\u00e9 permettant un cycle de production court et un retour sur investissement en quasi 10 ans. Les rendements en bois d’\u0153uvre impressionnants, atteignant potentiellement 44 m\u00b3\/ha\/an pour les meilleures clones dans des syst\u00e8mes hyper-intensifs, sont rapport\u00e9s \u00e0 l’\u00e9tranger. Le dossier qu\u2019y consacre la revue For\u00eat & Innovation (IDF) met toutefois en garde : l’atteinte de cette productivit\u00e9 \u00e9lev\u00e9e sur le territoire fran\u00e7ais n’est pas encore confirm\u00e9e par des publications scientifiques. Et ces valeurs ne sont atteintes qu’\u00e0 condition de suivre des itin\u00e9raires techniques rigoureux sur des sols tr\u00e8s favorables. Le paulownia est une essence exigeante qui n\u00e9cessite une mise en place soign\u00e9e, un tr\u00e8s bon \u00e9clairement et, dans la majorit\u00e9 des cas, un apport hydrique r\u00e9gulier (irrigation) durant les premi\u00e8res ann\u00e9es pour s’\u00e9tablir. La productivit\u00e9 chute consid\u00e9rablement en cas de stress hydrique ou sur sols d\u00e9grad\u00e9s.<\/p>\n

Les risques sanitaires sont importants. De nombreux ravageurs (insectes d\u00e9foliateurs, xylophages, piqueurs-suceurs) et agents pathog\u00e8nes sont signal\u00e9s.<\/p>\n

En France, le statut r\u00e9glementaire du paulownia comme essence foresti\u00e8re n’est pas parfaitement clarifi\u00e9 (il n’est pas encore sur la liste officielle des mat\u00e9riels forestiers de reproduction) et les plantations r\u00e9alis\u00e9es sur parcelles agricoles avec des densit\u00e9s sup\u00e9rieures \u00e0 100 tiges\/ha risquent de ne pas b\u00e9n\u00e9ficier des aides compensatoires de la PAC. Enfin, bien qu\u2019il soit appr\u00e9ci\u00e9 en Asie, l’\u00e9tablissement d’un prix de march\u00e9 stable est encore loin d\u2019\u00eatre atteint en France vu le peu de volumes disponibles actuellement.<\/p>","protected":false},"excerpt":{"rendered":"

Le paulownia, essence originaire d’Asie (surtout Chine), a \u00e9t\u00e9 introduit en Europe d\u00e8s 1834, initialement pour sa spectaculaire floraison printani\u00e8re et son usage ornemental dans les parcs et jardins. Aujourd’hui, en France, certaines entreprises le promeuvent pour la qualit\u00e9 de son bois \u2013 r\u00e9put\u00e9 pour \u00eatre tr\u00e8s l\u00e9ger et facile \u00e0 travailler \u2013 ainsi que […]<\/p>","protected":false},"featured_media":45986,"template":"","categories":[50],"acf":[],"yoast_head":"\nPaulownia : un potentiel de productivit\u00e9 record mais beaucoup d\u2019incertitudes - 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\/paulownia-un-potentiel-de-productivite-record-mais-beaucoup-dincertitudes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Paulownia : un potentiel de productivit\u00e9 record mais beaucoup d\u2019incertitudes - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le paulownia, essence originaire d’Asie (surtout Chine), a \u00e9t\u00e9 introduit en Europe d\u00e8s 1834, initialement pour sa spectaculaire floraison printani\u00e8re et son usage ornemental dans les parcs et jardins. 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