{"id":45440,"date":"2025-06-13T09:45:07","date_gmt":"2025-06-13T07:45:07","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=45440"},"modified":"2025-06-13T11:26:25","modified_gmt":"2025-06-13T09:26:25","slug":"les-carottes-sont-cuites-peut-etre-pas-les-frenes","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-carottes-sont-cuites-peut-etre-pas-les-frenes\/","title":{"rendered":"Les carottes sont cuites ? Peut-\u00eatre pas les fr\u00eanes !"},"content":{"rendered":"<p>Dans le cadre du projet <em>FraxForFuture<\/em>, six \u00e9quipes de recherche allemandes ont travaill\u00e9 ensemble pour tenter de sauver les fr\u00eanes de la chalarose qui s\u00e9vit en Europe depuis les ann\u00e9es \u201890. Bonne nouvelle : certains fr\u00eanes europ\u00e9ens montrent une r\u00e9sistance naturelle au champignon. Le projet, termin\u00e9 en 2024, donne de l\u2019espoir quant \u00e0 la conservation de cette esp\u00e8ce menac\u00e9e.<\/p>\n<p>Plusieurs m\u00e9thodes non chimiques ont \u00e9t\u00e9 test\u00e9es pour lutter contre le champignon :<\/p>\n<ul>\n<li>\u00ab <strong>Amorce<\/strong> \u00bb.: Pr\u00e9traitement des jeunes fr\u00eanes avec des micro-organismes b\u00e9n\u00e9fiques ou des versions affaiblies du champignon.<\/li>\n<li><strong>Optimisation du microbiome<\/strong>. Inoculation des semis avec des bact\u00e9ries ou champignons protecteurs issus d\u2019arbres sains.<\/li>\n<li><strong>Hypovirulence<\/strong>. Utilisation de virus qui affaiblissent le champignon en inhibant sa croissance.<\/li>\n<li><strong>RNAi<\/strong> (interf\u00e9rence par ARN). Pulv\u00e9risation de substances naturelles qui d\u00e9sactivent les g\u00e8nes essentiels du champignon.<\/li>\n<li><strong>Bact\u00e9ries antagonistes<\/strong>. Bact\u00e9ries pr\u00e9lev\u00e9es sur des fr\u00eanes sains capables d\u2019inhiber la croissance du champignon.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Le projet a aussi abouti \u00e0 des <strong>aides concr\u00e8tes<\/strong> :<\/p>\n<ul>\n<li>Formations sp\u00e9cialis\u00e9es<\/li>\n<li>Outils d\u2019\u00e9valuation des sympt\u00f4mes (cl\u00e9 d\u2019identification)<\/li>\n<li>Guide pratique : \u00ab L\u2019avenir du fr\u00eane \u00bb avec recommandations pour la gestion des peuplements atteints<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Dans le cadre du projet FraxForFuture, six \u00e9quipes de recherche allemandes ont travaill\u00e9 ensemble pour tenter de sauver les fr\u00eanes de la chalarose qui s\u00e9vit en Europe depuis les ann\u00e9es \u201890. Bonne nouvelle : certains fr\u00eanes europ\u00e9ens montrent une r\u00e9sistance naturelle au champignon. Le projet, termin\u00e9 en 2024, donne de l\u2019espoir quant \u00e0 la conservation [&hellip;]<\/p>","protected":false},"featured_media":45427,"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>Les carottes sont cuites ? Peut-\u00eatre pas les fr\u00eanes ! - 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\/les-carottes-sont-cuites-peut-etre-pas-les-frenes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les carottes sont cuites ? 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