{"id":202,"date":"2007-08-27T19:24:22","date_gmt":"2007-08-27T17:24:22","guid":{"rendered":"http:\/\/staging.sillon38.com\/2007\/08\/27\/ces-plantes-quon-dit-envahissantes\/"},"modified":"2007-08-27T19:24:22","modified_gmt":"2007-08-27T17:24:22","slug":"ces-plantes-quon-dit-envahissantes","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2007\/08\/27\/ces-plantes-quon-dit-envahissantes\/","title":{"rendered":"Ces plantes qu&rsquo;on dit envahissantes"},"content":{"rendered":"<p>Elles portent de jolis noms, pourtant. Comme l&rsquo; \u00ab\u00a0impatiente de l&rsquo;Himalaya\u00a0\u00bb, \u00ab\u00a0la panic capillaire\u00a0\u00bb ou \u00ab\u00a0la sporobole d&rsquo;Inde\u00a0\u00bb. Mais ce sont des \u00ab\u00a0pestes v\u00e9g\u00e9tales\u00a0\u00bb qui peuvent porter atteinte \u00e0 la sant\u00e9 humaine. La soci\u00e9t\u00e9 botanique Gentiana, dans un livret \u00e9dit\u00e9 par le Conseil g\u00e9n\u00e9ral de l&rsquo;Is\u00e8re, a fait l&rsquo;inventaire de ces esp\u00e8ces exotiques (il y en a une trentaine en Is\u00e8re), \u00ab\u00a0introduites volontairement pour l&rsquo;agriculture ou l&rsquo;horticulture, ou involontairement\u00a0\u00bb. Ces plantes qui prolif\u00e8rent, car arriv\u00e9es sans leurs pr\u00e9dateurs et concurrents naturels, peuvent venir de loin: de l&rsquo;Am\u00e9rique (du Nord, du centre et, dans une moindre mesure du Sud), de l&rsquo;Asie centrale et du Sud-Est, de l&rsquo;Afrique du Sud.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2007\/08\/p1000160.jpg\" alt=\"p1000160.jpg\" \/><\/p>\n<p><em>On en trouve m\u00eame dans le centre-ville de Grenoble&#8230;<\/em><\/p>\n<p>La multiplication des \u00e9changes au XXe si\u00e8cle, l&rsquo;urbanisation et le d\u00e9veloppement de grands axes de communication, expliquent, pour Gentiana, l&rsquo;expansion de ces esp\u00e8ces exotiques pionni\u00e8res envahissantes et pas tout \u00e0 fait inoffensives. On apprend en effet, dans ce fascicule, que pr\u00e8s de 100 000 rh\u00f4nalpins souffrent de probl\u00e8mes li\u00e9s \u00e0 l&rsquo;ambroisie (rhinite, conjonctivite, asthme, urticaire, ecz\u00e9ma), que \u00ab\u00a0la berce du Caucase, cette belle ombellif\u00e8re, peut quant \u00e0 elle, provoquer de graves dermatoses apr\u00e8s contact et exposition au soleil\u00a0\u00bb.<\/p>\n<p>La lutte contre ces esp\u00e8ces est donc d\u00e9clar\u00e9e (en Is\u00e8re, un arr\u00eat\u00e9 pr\u00e9fectoral a \u00e9t\u00e9 pris le 7 mars 2000 \u00e0 propos de l&rsquo;ambroisie) et Gentiana invite les citoyens et les \u00e9diles \u00e0 contribuer, par certaines initiatives simples, \u00e0 r\u00e9duire ou \u00e9viter la contamination. Parmi ces gestes citoyens: \u00e9viter d&rsquo;acheter et de planter les esp\u00e8ces reconnues comme envahissantes, veiller -si elles son d\u00e9j\u00e0 pr\u00e9sentes dans le jardin- \u00e0 ce qu&rsquo;elles n&rsquo;en sortent pas, porter ses d\u00e9chets verts dans une d\u00e9chetterie, ne pas vider ses aquariums dans un cours d&rsquo;eau, un \u00e9tang, une mare, proc\u00e9der \u00e0 l&rsquo;arrachage lorsqu&rsquo;on d\u00e9couvre une station d&rsquo;esp\u00e8ce envahissante, etc.<\/p>\n<blockquote><p>Quinze esp\u00e8ces sont pr\u00e9sent\u00e9es dans le livret de Gentiana: l&rsquo;ailante ou faux vernis du Japon, l&rsquo;ambroisie, les asters am\u00e9ricains, la berce du Caucase, le bident \u00e0 fruits noirs, le buddl\u00e9ia ou arbre aux papillons, l&rsquo;\u00e9rable n\u00e9gundo, l&rsquo;impatiente de Balfour, l&rsquo;impatiente de l&rsquo;Himalaya, la jussie \u00e0 grandes fleurs, le raisin d&rsquo;Am\u00e9rique, les renou\u00e9es, le robinier faux acacia, le s\u00e9ne\u00e7on du Cap, le solidage g\u00e9ant. Contacts: service Environnement du CGI au 04.76.00.33.31 ou Gentiana (MNEI) au 04.76.03.37.37<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Elles portent de jolis noms, pourtant. Comme l&rsquo; \u00ab\u00a0impatiente de l&rsquo;Himalaya\u00a0\u00bb, \u00ab\u00a0la panic capillaire\u00a0\u00bb ou \u00ab\u00a0la sporobole d&rsquo;Inde\u00a0\u00bb. Mais ce sont des \u00ab\u00a0pestes v\u00e9g\u00e9tales\u00a0\u00bb qui peuvent porter atteinte \u00e0 la sant\u00e9 humaine. La soci\u00e9t\u00e9 botanique Gentiana, dans un livret \u00e9dit\u00e9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[2669,4245],"class_list":["post-202","post","type-post","status-publish","format-standard","hentry","category-nature","tag-gentiana","tag-pestes-vegetales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ces plantes qu&#039;on dit envahissantes -<\/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:\/\/www.sillon38.com\/blog\/2007\/08\/27\/ces-plantes-quon-dit-envahissantes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ces plantes qu&#039;on dit envahissantes -\" \/>\n<meta property=\"og:description\" content=\"Elles portent de jolis noms, pourtant. Comme l&rsquo; \u00ab\u00a0impatiente de l&rsquo;Himalaya\u00a0\u00bb, \u00ab\u00a0la panic capillaire\u00a0\u00bb ou \u00ab\u00a0la sporobole d&rsquo;Inde\u00a0\u00bb. Mais ce sont des \u00ab\u00a0pestes v\u00e9g\u00e9tales\u00a0\u00bb qui peuvent porter atteinte \u00e0 la sant\u00e9 humaine. La soci\u00e9t\u00e9 botanique Gentiana, dans un livret \u00e9dit\u00e9...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sillon38.com\/blog\/2007\/08\/27\/ces-plantes-quon-dit-envahissantes\/\" \/>\n<meta property=\"article:published_time\" content=\"2007-08-27T17:24:22+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2007\/08\/p1000160.jpg\" \/>\n<meta name=\"author\" content=\"Gilbert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gilbert\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" 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