{"id":44250,"date":"2024-10-23T16:41:46","date_gmt":"2024-10-23T14:41:46","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44250"},"modified":"2024-10-23T16:41:46","modified_gmt":"2024-10-23T14:41:46","slug":"gourmands-et-deperissement-du-chene-pedoncule","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/gourmands-et-deperissement-du-chene-pedoncule\/","title":{"rendered":"Gourmands et d\u00e9p\u00e9rissement du ch\u00eane p\u00e9doncul\u00e9"},"content":{"rendered":"<p>Les gestionnaires se demandent si les ch\u00eanes p\u00e9doncul\u00e9s seront capables de surmonter les stress hydriques provoqu\u00e9s par les s\u00e9cheresses attendues dans les ann\u00e9es \u00e0 venir. L\u2019IDF s\u2019est pench\u00e9 sur la question dans une \u00e9tude visant \u00e0 mieux comprendre les r\u00f4les jou\u00e9s par les gourmands dans la r\u00e9action des ch\u00eanes p\u00e9doncul\u00e9s apr\u00e8s un d\u00e9p\u00e9rissement. Parmi les observations faites lors de l\u2019\u00e9tude, la direction de croissance des gourmands permet de distinguer trois types de gourmands : orthotropes (direction de croissance verticale), plagiotropes (direction de croissance horizontale) et ag\u00e9otropes (sans direction de croissance privil\u00e9gi\u00e9e). Selon la nature des gourmands observ\u00e9s et la pr\u00e9sence de certaines branches, les ch\u00eanes de l\u2019\u00e9tude ont \u00e9t\u00e9 class\u00e9s selon cinq morphotypes. En conclusion de l\u2019\u00e9tude, la pr\u00e9sence de gourmands orthotropes semble permettre un retour \u00e0 l\u2019\u00e9tat sain apr\u00e8s une phase de r\u00e9tablissement de l\u2019arbre. Par contre si l\u2019arbre se trouve bloqu\u00e9 dans une situation de croissance ralentie et qu\u2019il ne produit plus qu\u2019une succession de gourmands ag\u00e9otropes, le d\u00e9p\u00e9rissement risque d\u2019\u00eatre irr\u00e9versible. [C.S.]<\/p>","protected":false},"excerpt":{"rendered":"<p>Les gestionnaires se demandent si les ch\u00eanes p\u00e9doncul\u00e9s seront capables de surmonter les stress hydriques provoqu\u00e9s par les s\u00e9cheresses attendues dans les ann\u00e9es \u00e0 venir. L\u2019IDF s\u2019est pench\u00e9 sur la question dans une \u00e9tude visant \u00e0 mieux comprendre les r\u00f4les jou\u00e9s par les gourmands dans la r\u00e9action des ch\u00eanes p\u00e9doncul\u00e9s apr\u00e8s un d\u00e9p\u00e9rissement. Parmi les [&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>Gourmands et d\u00e9p\u00e9rissement du ch\u00eane p\u00e9doncul\u00e9 - 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\/gourmands-et-deperissement-du-chene-pedoncule\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gourmands et d\u00e9p\u00e9rissement du ch\u00eane p\u00e9doncul\u00e9 - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Les gestionnaires se demandent si les ch\u00eanes p\u00e9doncul\u00e9s seront capables de surmonter les stress hydriques provoqu\u00e9s par les s\u00e9cheresses attendues dans les ann\u00e9es \u00e0 venir. L\u2019IDF s\u2019est pench\u00e9 sur la question dans une \u00e9tude visant \u00e0 mieux comprendre les r\u00f4les jou\u00e9s par les gourmands dans la r\u00e9action des ch\u00eanes p\u00e9doncul\u00e9s apr\u00e8s un d\u00e9p\u00e9rissement. 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