{"id":37385,"date":"2022-09-15T10:18:04","date_gmt":"2022-09-15T08:18:04","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=37385"},"modified":"2022-09-15T10:18:04","modified_gmt":"2022-09-15T08:18:04","slug":"encore-un-ete-sous-tension-pour-la-sante-des-forets","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/encore-un-ete-sous-tension-pour-la-sante-des-forets\/","title":{"rendered":"Encore un \u00e9t\u00e9 sous tension pour la sant\u00e9 des for\u00eats"},"content":{"rendered":"<p>L\u2019Observatoire wallon de la sant\u00e9 des for\u00eats fournit les derni\u00e8res actualit\u00e9s phytosanitaires des for\u00eats. D\u2019un point de vue climatique, cet \u00e9t\u00e9 a \u00e9t\u00e9 marqu\u00e9 par des jours chauds et secs depuis la fin du mois de juin. \u00c0 cela s\u2019est ajout\u00e9e une vague de chaleur importante qui a dur\u00e9 plus d\u2019une semaine.<\/p>\n<p>Les \u00e9pic\u00e9as ont concentr\u00e9 tous les regards ces derniers mois, mais cette ann\u00e9e pas uniquement en raison des attaques de scolytes. En effet, d\u00e8s le printemps, des peuplements ont montr\u00e9 des signes de faiblesse avec des arbres \u00e0 la teinte jaune ou brune. Le responsable n\u2019est pas le scolyte, mais il s\u2019agit du puceron vert qui pique les aiguilles. Ces derni\u00e8res s\u2019affaiblissent et finissent par tomber, laissant des arbres \u00e0 l\u2019aspect tr\u00e8s clair. Bien que les cons\u00e9quences soient souvent limit\u00e9es, ce stress s\u2019ajoute \u00e0 la s\u00e9cheresse et augmente le risque d\u2019attaque de scolytes.<\/p>\n<p>Du c\u00f4t\u00e9 du typographe ou du scolyte justement, les conditions de 2022 ont \u00e9t\u00e9 propices \u00e0 son d\u00e9veloppement et les attaques de puceron vert ainsi que la s\u00e9cheresse font porter un risque important sur les peuplements. Jusqu\u2019\u00e0 pr\u00e9sent les attaques restent tr\u00e8s discr\u00e8tes, mais il est important de poursuivre la surveillance afin de limiter les risques pour 2023.<\/p>\n<p>Enfin, une note d\u2019espoir subsiste pour le fr\u00eane. Quelques sujets r\u00e9sistants \u00e0 la chalarose ont \u00e9t\u00e9 rep\u00e9r\u00e9s et semblent se maintenir en bon \u00e9tat. Si cela se confirme, cette d\u00e9couverte laisse entrevoir de futures opportunit\u00e9s pour cette essence.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019Observatoire wallon de la sant\u00e9 des for\u00eats fournit les derni\u00e8res actualit\u00e9s phytosanitaires des for\u00eats. D\u2019un point de vue climatique, cet \u00e9t\u00e9 a \u00e9t\u00e9 marqu\u00e9 par des jours chauds et secs depuis la fin du mois de juin. \u00c0 cela s\u2019est ajout\u00e9e une vague de chaleur importante qui a dur\u00e9 plus d\u2019une semaine. Les \u00e9pic\u00e9as ont [&hellip;]<\/p>","protected":false},"featured_media":37361,"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>Encore un \u00e9t\u00e9 sous tension pour la sant\u00e9 des for\u00eats - 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\/encore-un-ete-sous-tension-pour-la-sante-des-forets\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Encore un \u00e9t\u00e9 sous tension pour la sant\u00e9 des for\u00eats - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"L\u2019Observatoire wallon de la sant\u00e9 des for\u00eats fournit les derni\u00e8res actualit\u00e9s phytosanitaires des for\u00eats. D\u2019un point de vue climatique, cet \u00e9t\u00e9 a \u00e9t\u00e9 marqu\u00e9 par des jours chauds et secs depuis la fin du mois de juin. \u00c0 cela s\u2019est ajout\u00e9e une vague de chaleur importante qui a dur\u00e9 plus d\u2019une semaine. 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