{"id":34385,"date":"2021-09-10T11:45:33","date_gmt":"2021-09-10T09:45:33","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/comment-les-arbres-communiquent-entre-eux\/"},"modified":"2021-09-10T11:45:33","modified_gmt":"2021-09-10T09:45:33","slug":"comment-les-arbres-communiquent-entre-eux","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/comment-les-arbres-communiquent-entre-eux\/","title":{"rendered":"Comment les arbres communiquent entre eux"},"content":{"rendered":"<p>Les plantes communiquent entre elles via la production de compos\u00e9s chimiques lib\u00e9r\u00e9s dans l\u2019air ou dans le sol. On parle d\u2019all\u00e9lopathie. L\u2019\u00e9ventail des substances excr\u00e9t\u00e9es est tr\u00e8s vaste. Certaines d\u2019entre elles peuvent jouer un r\u00f4le protecteur ou offensif, au b\u00e9n\u00e9fice de l\u2019esp\u00e8ce qui la produit. Certaines esp\u00e8ces peuvent gr\u00e2ce \u00e0 cela, s\u2019imposer au c\u0153ur du tapis v\u00e9g\u00e9tal. Ainsi, une esp\u00e8ce puissamment excr\u00e9trice peut rapidement en remplacer une autre. Et une esp\u00e8ce en place qui \u00ab sait se faire respecter \u00bb pourra ralentir le processus de succession, \u00e0 grand renfort d\u2019excr\u00e9tions racinaires.<br \/>\nCertaines phytotoxines inhibent de pr\u00e9cieux champignons qui s\u2019associent aux racines des essences foresti\u00e8res, emp\u00eachant ainsi l\u2019\u00e9laboration de mycorhizes. Par exemple, la bruy\u00e8re produit des excr\u00e9tions racinaires n\u00e9fastes pour les champignons mycorhiziens de divers r\u00e9sineux, manifestant une faible croissance en pr\u00e9sence de cette \u00e9ricac\u00e9e. Les substances chimiques peuvent rester plusieurs ann\u00e9es dans le sol.<br \/>\nL\u2019auteur conclut par cette phrase : \u00ab Nul doute que l\u2019abondance, la vigueur, la r\u00e9ussite sylvicole d\u2019une essence, soient sous la d\u00e9pendance de mille donn\u00e9es classiques (sol, climat, soins culturaux\u2026), la mille et uni\u00e8me relevant du domaine de l\u2019all\u00e9lopathie. \u00bb<br \/>\nBoullard B. (2018). \u00ab Les arbres aussi transmettent des messages. \u00bb. La for\u00eat priv\u00e9e n\u00b0 363.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les plantes communiquent entre elles via la production de compos\u00e9s chimiques lib\u00e9r\u00e9s dans l\u2019air ou dans le sol. On parle d\u2019all\u00e9lopathie. L\u2019\u00e9ventail des substances excr\u00e9t\u00e9es est tr\u00e8s vaste. Certaines d\u2019entre elles peuvent jouer un r\u00f4le protecteur ou offensif, au b\u00e9n\u00e9fice de l\u2019esp\u00e8ce qui la produit. Certaines esp\u00e8ces peuvent gr\u00e2ce \u00e0 cela, s\u2019imposer au c\u0153ur du [&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>Comment les arbres communiquent entre eux - 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\/comment-les-arbres-communiquent-entre-eux\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment les arbres communiquent entre eux - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Les plantes communiquent entre elles via la production de compos\u00e9s chimiques lib\u00e9r\u00e9s dans l\u2019air ou dans le sol. 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On parle d\u2019all\u00e9lopathie. L\u2019\u00e9ventail des substances excr\u00e9t\u00e9es est tr\u00e8s vaste. Certaines d\u2019entre elles peuvent jouer un r\u00f4le protecteur ou offensif, au b\u00e9n\u00e9fice de l\u2019esp\u00e8ce qui la produit. 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