{"id":1197,"date":"2012-02-10T21:53:41","date_gmt":"2012-02-10T20:53:41","guid":{"rendered":"http:\/\/www.clairejannot.com\/?p=1197"},"modified":"2012-02-10T21:53:41","modified_gmt":"2012-02-10T20:53:41","slug":"colloque-scientifique-alliances-au-pays-des-racines","status":"publish","type":"post","link":"https:\/\/claire-jannot.com\/?p=1197","title":{"rendered":"Colloque scientifique : Alliances au pays des racines"},"content":{"rendered":"<h2>Alliances au pays des racines :\u00a014e colloque scientifique de la SNHF ( Soci\u00e9t\u00e9 Nationale Horticole Fran\u00e7aise) &#8211; Paris (si\u00e8ge de la SNHF)\u00a0vendredi 25 mai 2012<\/h2>\n<p><a href=\"https:\/\/i0.wp.com\/www.clairejannot.com\/wp-content\/uploads\/2012\/02\/Colloque.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-1198\" title=\"Colloque\" src=\"https:\/\/i0.wp.com\/www.clairejannot.com\/wp-content\/uploads\/2012\/02\/Colloque-300x125.jpg?resize=300%2C125\" alt=\"\" width=\"300\" height=\"125\" \/><\/a>Les racines de la quasi-totalit\u00e9 des plantes terrestres, arbres des for\u00eats, herbes des prairies, fleurs des jardins ou plantes de grande culture, cohabitent avec des <strong>microorganismes sp\u00e9cialis\u00e9s, champignons ou bact\u00e9ries.<\/strong> Ces associations sont souvent m\u00e9connues et leur importance pratique sous-estim\u00e9e, m\u00eame chez les agronomes, horticulteurs et forestiers.<\/p>\n<p>Ce sont des <strong>symbioses mutualistes, c\u2019est-\u00e0-dire des associations obligatoires, intimes, durables et \u00e0 b\u00e9n\u00e9fices r\u00e9ciproques<\/strong>. Sous la forme de nodosit\u00e9s ou de mycorhizes, ces racines h\u00e9bergent des microorganismes et sont le si\u00e8ge des \u00e9changes entre les deux partenaires :<strong> la plante alimente le champignon ou la bact\u00e9rie en carbone provenant de la photosynth\u00e8se r\u00e9alis\u00e9e au niveau de ses feuilles et, en contrepartie, le champignon aide la plante \u00e0 absorber l\u2019eau, l\u2019azote, le phosphore et les autres \u00e9l\u00e9ments nutritifs du sol, la bact\u00e9rie permettant elle un acc\u00e8s \u00e0 l\u2019azote atmosph\u00e9rique.<\/strong><\/p>\n<p>Les huit communications propos\u00e9es lors du colloque scientifique 2012 de la SNHF explorent diff\u00e9rentes facettes de ces symbioses, soulignent leur r\u00f4le central dans<strong> l\u2019\u00e9cologie et l\u2019\u00e9volution des plantes.<\/strong> Les intervenants font partie des meilleurs chercheurs fran\u00e7ais dans le domaine. En traitant chacun d\u2019un aspect pointu du sujet, ils nous permettront de faire le point des connaissances actuelles et de leurs applications.<\/p>\n<address>\u00a0<\/address>\n<address>Renseignements et inscriptions :\u00a0<a href=\"http:\/\/www.snhf.org\/\">www.snhf.org<\/a>\u00a0-84 rue de Grenelle 75007 Paris\u00a001.44.39.78.78.<\/address>\n<address>Cr\u00e9dit photo :\u00a0<a href=\"http:\/\/www.snhf.org\/\">http:\/\/www.snhf.org<\/a><\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n","protected":false},"excerpt":{"rendered":"<p>Alliances au pays des racines :\u00a014e colloque scientifique de la SNHF ( Soci\u00e9t\u00e9 Nationale Horticole Fran\u00e7aise) &#8211; Paris (si\u00e8ge de la SNHF)\u00a0vendredi 25 mai 2012 Les racines de la quasi-totalit\u00e9 des plantes terrestres, arbres des for\u00eats, herbes des prairies, fleurs &hellip; <a href=\"https:\/\/claire-jannot.com\/?p=1197\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[22,4,5,21],"class_list":["post-1197","post","type-post","status-publish","format-standard","hentry","category-ecologie","tag-biologique","tag-ecologie2","tag-environnement","tag-jardin"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5jjt5-jj","_links":{"self":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/1197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1197"}],"version-history":[{"count":0,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/1197\/revisions"}],"wp:attachment":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}