{"id":3938,"date":"2017-01-19T13:40:14","date_gmt":"2017-01-19T12:40:14","guid":{"rendered":"https:\/\/www.fredonoccitanie.com\/surveillance\/?page_id=3938"},"modified":"2025-12-12T11:24:02","modified_gmt":"2025-12-12T10:24:02","slug":"fusarium-pin","status":"publish","type":"page","link":"https:\/\/www.fredonoccitanie.com\/surveillance\/foret\/fusarium-pin\/","title":{"rendered":"Le Fusarium du Pin"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-2yw7ype-1ed1a595d18a839408fbcb874e8aede8 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2wz7lz6-f5d04228d6439fd48cf3b5a5f180d3f9\">\n.flex_column.av-2wz7lz6-f5d04228d6439fd48cf3b5a5f180d3f9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2wz7lz6-f5d04228d6439fd48cf3b5a5f180d3f9 av_one_full  avia-builder-el-1  el_before_av_one_third  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-2vzxodu-f60e28f1c91afe9a5b31c2b9942e36e9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Carte d\u2019identit\u00e9<\/h1>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2tbiqoi-1c27e9cbbde5b9153c7e4056f6a0ffb3\">\n.flex_column.av-2tbiqoi-1c27e9cbbde5b9153c7e4056f6a0ffb3{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2tbiqoi-1c27e9cbbde5b9153c7e4056f6a0ffb3 av_one_third  avia-builder-el-3  el_after_av_one_full  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-krugn78j-b6cea4a9f087f3c216c7970b50c3d063\">\n.avia-image-container.av-krugn78j-b6cea4a9f087f3c216c7970b50c3d063 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-krugn78j-b6cea4a9f087f3c216c7970b50c3d063 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-krugn78j-b6cea4a9f087f3c216c7970b50c3d063 av-styling- avia-align-center  avia-builder-el-4  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3955 avia-img-lazy-loading-not-3955 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-scaled.jpg\" alt='Chancres et coulures dues au Fusarium sur Pin' title='Chancres et coulures dues au Fusarium sur Pin'  height=\"2560\" width=\"1919\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-scaled.jpg 1919w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-225x300.jpg 225w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-772x1030.jpg 772w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-768x1025.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-1151x1536.jpg 1151w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-1535x2048.jpg 1535w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-1124x1500.jpg 1124w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-182-528x705.jpg 528w\" sizes=\"(max-width: 1919px) 100vw, 1919px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2s8ax2a-9db943a328297b1f96d06f63519cb321\">\n.flex_column.av-2s8ax2a-9db943a328297b1f96d06f63519cb321{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2s8ax2a-9db943a328297b1f96d06f63519cb321 av_one_third  avia-builder-el-5  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kruglgxa-0840df5c09ffd1f4edcc4e492050be9f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>NOM VERNACULAIRE :<\/strong> <em>Fusarium<\/em> du Pin ; Chancre suintant du Pin ; Pitch canker.<br \/>\n<strong>AGENT PATHOGENE :<\/strong> Champignon ascomyc\u00e8te ; forme sexu\u00e9e <strong><em>Gibberella circinata<\/em><\/strong> (Nirenberg &amp; O\u2019Donnell) ; forme asexu\u00e9e anamorphe <strong><em>Fusarium circinatum<\/em><\/strong> (Niremberg &amp; O\u2019Donnell) ou anciennement <em>Fusarium suglutinans f<\/em>. sp. <em>pini<\/em>.<br \/>\n<strong>PLANTES HOTES :<\/strong> Plus de 30 esp\u00e8ces de Pins<b> (<\/b><em>Pinus spp<\/em>.) et Douglas (<em>Pseudotsuga menziesii<\/em>).<br \/>\n<strong>ORIGINE :<\/strong> Originaire des \u00c9tats-Unis d\u2019Am\u00e9rique et du Mexique, puis observ\u00e9 au Chili, Afrique du Sud, Japon et Espagne<br \/>\n<strong>IMPACTS :<\/strong> <b><\/b>Fonte des semis, n\u00e9croses racinaires, chlorose et d\u00e9p\u00e9rissement du feuillage, chancres r\u00e9sineux sous l\u2019\u00e9corce.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9tphte-34b5c4fcbc3682e0a37e55a544fc4a07\">\n.flex_column.av-9tphte-34b5c4fcbc3682e0a37e55a544fc4a07{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9tphte-34b5c4fcbc3682e0a37e55a544fc4a07 av_one_third  avia-builder-el-7  el_after_av_one_third  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-krugm2ic-c65088eed39c1ef47b7947fb00212cfa\">\n#top .av_textblock_section.av-krugm2ic-c65088eed39c1ef47b7947fb00212cfa .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-krugm2ic-c65088eed39c1ef47b7947fb00212cfa '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock bloc_infos av_inherit_color'  itemprop=\"text\" ><h2>Ressources<\/h2>\n<p><a href=\"https:\/\/fredonoccitanie189-my.sharepoint.com\/:b:\/g\/personal\/e_algans_fredon-occitanie_fr\/Ecl7OPpJYgxHo-KOA2S5JNcBDYgvsO_xYSP9loGaTzWXgQ?e=WF51Z3\" target=\"_blank\" rel=\"noopener\">Plaquette d\u2019information<\/a><\/p>\n<p><a href=\"https:\/\/plateforme-esv.fr\/sites\/default\/files\/2020-02\/Fiche%20SORE%20fusarium%20circinatum_0.pdf\" target=\"_blank\" rel=\"noopener\">Fiche Plateforme ESV<\/a><\/p>\n<p><a style=\"background: #ca1823; color: #fff; padding: 1px 25px; text-decoration: none; border-radius: 8px; font-size: 18px; font-family: Arial, sans-serif; display: inline-block; cursor: pointer;\" href=\"https:\/\/draaf.occitanie.agriculture.gouv.fr\/signaler-un-organisme-nuisible-aux-vegetaux-a9380.html#:~:text=Il%20peut,controler\" target=\"_blank\" rel=\"noopener\"> Faire un signalement <\/a><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-krugmgq9-b0b32c00187a35433839c48950cf9f27\">\n#top .av_textblock_section.av-krugmgq9-b0b32c00187a35433839c48950cf9f27 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-krugmgq9-b0b32c00187a35433839c48950cf9f27 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock bloc_infos av_inherit_color'  itemprop=\"text\" ><h2><a href=\"https:\/\/www.fredonoccitanie.com\/nous-contacter\/\">Contacts<\/a><\/h2>\n<\/div><\/section><\/p><\/div><\/div><\/div><\/main><!-- close content main element --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2p30k2q-a12a02e08836ba339ba510cf38867a16\">\n.avia-section.av-2p30k2q-a12a02e08836ba339ba510cf38867a16{\nbackground-color:#576b35;\nbackground-image:unset;\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-2p30k2q-a12a02e08836ba339ba510cf38867a16 main_color avia-section-default avia-no-border-styling  avia-builder-el-10  el_after_av_section  el_before_av_section  titre_site avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2nntphe-acfda937edbc27ffae22a32250fd4b03\">\n#top .flex_column.av-2nntphe-acfda937edbc27ffae22a32250fd4b03{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-2nntphe-acfda937edbc27ffae22a32250fd4b03{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-2nntphe-acfda937edbc27ffae22a32250fd4b03{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-2nntphe-acfda937edbc27ffae22a32250fd4b03 av_one_third  avia-builder-el-11  el_before_av_two_third  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2m0aczm-d121eed20537233389a055e09321aa03\">\n#top .av_textblock_section.av-2m0aczm-d121eed20537233389a055e09321aa03 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-2m0aczm-d121eed20537233389a055e09321aa03 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-365 alignright\" src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2021\/06\/picto_surveillance.png\" alt=\"\" width=\"140\" height=\"140\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2021\/06\/picto_surveillance.png 140w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2021\/06\/picto_surveillance-80x80.png 80w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2021\/06\/picto_surveillance-36x36.png 36w\" sizes=\"auto, (max-width: 140px) 100vw, 140px\" \/><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2jnsite-3c128b8b0494bc236b3c5425848ecac0\">\n#top .hr.hr-invisible.av-2jnsite-3c128b8b0494bc236b3c5425848ecac0{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-2jnsite-3c128b8b0494bc236b3c5425848ecac0 hr-invisible  avia-builder-el-13  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2hnkuuq-32d7b8d62347370c715de114e05084f7\">\n#top .flex_column.av-2hnkuuq-32d7b8d62347370c715de114e05084f7{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-2hnkuuq-32d7b8d62347370c715de114e05084f7{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-2hnkuuq-32d7b8d62347370c715de114e05084f7{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-2hnkuuq-32d7b8d62347370c715de114e05084f7 av_two_third  avia-builder-el-14  el_after_av_one_third  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2g030de-acfe721b8373a7fb6031c439385f2eac\">\n#top .hr.hr-invisible.av-2g030de-acfe721b8373a7fb6031c439385f2eac{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2g030de-acfe721b8373a7fb6031c439385f2eac hr-invisible  avia-builder-el-15  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-krugnv5a-8755afee9191ff58d142861480eafe55\">\n#top .av_textblock_section.av-krugnv5a-8755afee9191ff58d142861480eafe55 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-krugnv5a-8755afee9191ff58d142861480eafe55 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h5 style=\"text-align: left;\"><strong>Le chancre du pin<\/strong> est provoqu\u00e9 par le champignon ascomyc\u00e8te<strong> <em>Gibberella circinata<\/em><\/strong>. Dans la nature, on le rencontre sous sa forme asexu\u00e9e <strong><em>Fusarium circinatum<\/em><\/strong>, \u00e9galement connue sous son ancienne appellation, <em>Fusarium suglutinans<\/em> f. sp.<em> pini<\/em><\/h5>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2f872ea-859cecab45ec6ddbc3ef5efe782d2dfd\">\n#top .hr.hr-invisible.av-2f872ea-859cecab45ec6ddbc3ef5efe782d2dfd{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2f872ea-859cecab45ec6ddbc3ef5efe782d2dfd hr-invisible  avia-builder-el-17  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2dokjci-58cfe0f6a1dbe427b5d14bea64210fe9\">\n.avia-section.av-2dokjci-58cfe0f6a1dbe427b5d14bea64210fe9{\nbackground-color:#dbdbcf;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_3'  class='avia-section av-2dokjci-58cfe0f6a1dbe427b5d14bea64210fe9 main_color avia-section-default avia-no-border-styling  avia-builder-el-18  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2bzegnm-782112f4b8eda9e955ab5f710a72eb27\">\n.flex_column.av-2bzegnm-782112f4b8eda9e955ab5f710a72eb27{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2bzegnm-782112f4b8eda9e955ab5f710a72eb27 av_one_half  avia-builder-el-19  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-krugnoh2-c4c514e9ed4723081935402c41eab018 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"column-1_2 sc_column_item sc_column_item_1 odd first\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<div class=\"column-1_2 sc_column_item sc_column_item_1 odd first\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p><strong>Le chancre du pin<\/strong> est provoqu\u00e9 par le champignon ascomyc\u00e8te<strong> <em>Gibberella circinata<\/em><\/strong>. Dans la nature, on le rencontre sous sa forme asexu\u00e9e <strong><em>Fusarium circinatum<\/em><\/strong>, \u00e9galement connue sous son ancienne appellation, <em>Fusarium suglutinans<\/em> f. sp.<em> pini<\/em><\/p>\n<p>Ce champignon a \u00e9t\u00e9 d\u00e9crit pour la premi\u00e8re fois aux USA en 1946 (Pitch canker), puis au Mexique. Dans les ann\u00e9es 1980, il a provoqu\u00e9 une \u00e9pid\u00e9mie sur <em>Pinus radiata<\/em> en Californie puis s\u2019est largement r\u00e9pandu au Chili, en Afrique du Sud et au Japon o\u00f9 il a caus\u00e9 d\u2019importants d\u00e9g\u00e2ts en p\u00e9pini\u00e8res. En Europe, il a \u00e9t\u00e9 d\u00e9tect\u00e9 r\u00e9cemment en Espagne sur <em>P. pinaster<\/em> et <em>P. radiata<\/em> et des doutes ont \u00e9t\u00e9 \u00e9mis en Italie et au Portugal. Il a \u00e9galement \u00e9t\u00e9 <strong>d\u00e9tect\u00e9 en France d\u00e8s 2009<\/strong>. L\u2019Union europ\u00e9enne a mis en place en 2007 des mesures phytosanitaires d\u2019urgence afin d\u2019\u00e9viter la propagation de <em><strong>Gibberella circinata<\/strong><\/em> (d\u00e9cision 2007\/433\/CE du 18 Juin 2007). Depuis, les plantes susceptibles d\u2019h\u00e9berger cet agent pathog\u00e8ne sont soumises au dispositif des passeports phytosanitaires europ\u00e9ens.<\/p>\n<\/div>\n<\/div>\n<div class=\"vc_empty_space\"><\/div>\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>Ce champignon provoque d<strong>\u2018importants d\u00e9g\u00e2ts<\/strong> sous la forme de <strong>chloroses<\/strong> et de <strong>chancres r\u00e9sineux<\/strong> sur arbres adultes, et de <strong>pourritures racinaires<\/strong> ou<strong> mortalit\u00e9<\/strong> chez les jeunes semis.<\/p>\n<p>Ce champignon poss\u00e8de une <strong>large gamme d\u2019h\u00f4tes<\/strong> potentiels parmi les esp\u00e8ces de pins, et peut rapidement se propager au sein des p\u00e9pini\u00e8res et causer d\u2019importants d\u00e9g\u00e2ts et un <strong>d\u00e9p\u00e9rissement rapide des arbres infect\u00e9s<\/strong>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2aek7j6-7c714261c1504b1b543c42330a8ea017\">\n.flex_column.av-2aek7j6-7c714261c1504b1b543c42330a8ea017{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2aek7j6-7c714261c1504b1b543c42330a8ea017 av_one_half  avia-builder-el-21  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><div  class='avia-slideshow av-krugpsjm-3061cb8510850775bf45478c44efebaf avia-slideshow-no scaling av_slideshow avia-slide-slider  avia-builder-el-22  avia-builder-el-no-sibling  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 133.29161451815%;'><li  class='avia-slideshow-slide av-krugpsjm-3061cb8510850775bf45478c44efebaf__0  slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '  title='D\u00e9p\u00e9rissement avanc\u00e9 du au fusarium du pin' ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-3958 avia-img-lazy-loading-not-3958\"  src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142.jpg\" width=\"1598\" height=\"2130\" title='D\u00e9p\u00e9rissement avanc\u00e9 du au fusarium du pin' alt='D\u00e9p\u00e9rissement avanc\u00e9 du au fusarium du pin'  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142.jpg 1598w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-225x300.jpg 225w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-773x1030.jpg 773w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-768x1024.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-1152x1536.jpg 1152w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-1536x2048.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-1125x1500.jpg 1125w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_Pinus_fusarium-142-529x705.jpg 529w\" sizes=\"(max-width: 1598px) 100vw, 1598px\" \/><\/div><\/li><li  class='avia-slideshow-slide av-krugpsjm-3061cb8510850775bf45478c44efebaf__1  slide-2 slide-even'><div data-rel='slideshow-1' class='avia-slide-wrap '  title='Fusarium du pin' ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-3939 avia-img-lazy-loading-not-3939\"  src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222.jpg\" width=\"1642\" height=\"2189\" title='Fusarium du pin' alt='Fusarium du pin'  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222.jpg 1642w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-225x300.jpg 225w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-773x1030.jpg 773w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-768x1024.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-1152x1536.jpg 1152w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-1536x2048.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-1125x1500.jpg 1125w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/Pinus_fusarium-222-529x705.jpg 529w\" sizes=\"(max-width: 1642px) 100vw, 1642px\" \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls' ><a href='#prev' class='prev-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='left-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Pr\u00e9c\u00e9dent\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-1'>Pr\u00e9c\u00e9dent<\/title>\n<desc id='av-svg-desc-1'>Pr\u00e9c\u00e9dent<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Pr\u00e9c\u00e9dent<\/span><\/a><a href='#next' class='next-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Suivant\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-2'>Suivant<\/title>\n<desc id='av-svg-desc-2'>Suivant<\/desc>\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Suivant<\/span><\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-26fc68y-0af601b84afecb2fd6bab1be5334257e\">\n.avia-section.av-26fc68y-0af601b84afecb2fd6bab1be5334257e{\nbackground-color:#f8ead4;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_4'  class='avia-section av-26fc68y-0af601b84afecb2fd6bab1be5334257e main_color avia-section-default avia-no-border-styling  avia-builder-el-23  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-248v8pu-c62d6c1b008bf5383fbc42582d7c58bb\">\n.flex_column.av-248v8pu-c62d6c1b008bf5383fbc42582d7c58bb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-248v8pu-c62d6c1b008bf5383fbc42582d7c58bb av_one_full  avia-builder-el-24  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-22uyosi-faef7ce343a8d2402e1bde93071385a5 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 style=\"text-align: center;\">Biologie de l\u2019agent pathog\u00e8ne<\/h2>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7docb6-4e49803953985dd925b0fe5420cf9e27\">\n.flex_column.av-7docb6-4e49803953985dd925b0fe5420cf9e27{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0;\n}\n<\/style>\n<div  class='flex_column av-7docb6-4e49803953985dd925b0fe5420cf9e27 av_one_half  avia-builder-el-26  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-1zkkuv6-54a9722c235a32141b64e616b2db8b6a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h5><strong>Plantes h\u00f4tes<\/strong><\/h5>\n<p style=\"text-align: justify;\"><em>Gibberella circinata<\/em> poss\u00e8de une large gamme de plantes h\u00f4tes. Ce pathog\u00e8ne est observ\u00e9 sur <strong>plus de 30 esp\u00e8ces du genre <em>Pinus<\/em><\/strong> nord-am\u00e9ricaines, asiatiques et europ\u00e9ennes. En Am\u00e9rique du Nord, ses h\u00f4tes naturels sont principalement <em>Pinus elliottii<\/em> et<em> Pinus taeda<\/em> mais aussi<em> Pinus radiata, Pinus palustris, Pinus patula<\/em> et <em>Pinus virginiana<\/em>.<\/p>\n<p style=\"text-align: justify;\"><strong>En Europe et plus particuli\u00e8rement dans la zone m\u00e9diterran\u00e9enne, les esp\u00e8ces concern\u00e9es sont <em>Pinus halepensis<\/em>, <em>Pinus pinaster<\/em> et <em>Pinus sylvestris<\/em><\/strong>. Sont \u00e9galement sensibles une s\u00e9rie d\u2019esp\u00e8ces nord-am\u00e9ricaines qui ont \u00e9t\u00e9 plant\u00e9es en Europe, comme <em>Pinus contorta<\/em> et <em>Pinus strobus<\/em>, et une s\u00e9rie d\u2019esp\u00e8ces d\u2019origine asiatique comme <em>Pinus densiflora<\/em> et <em>Pinus thunbergii<\/em>. En outre, on a signal\u00e9 la contamination du Douglas (<em>Pseudotsuga menziesii)<\/em>, mais les d\u00e9g\u00e2ts sur cette esp\u00e8ce seraient limit\u00e9s.<\/p>\n<\/div>\n<\/div>\n<div class=\"vc_empty_space\" style=\"height: 32px;\"><\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1y8bgki-2c2590cc4c9546a9f690fd48b5f1933d\">\n.flex_column.av-1y8bgki-2c2590cc4c9546a9f690fd48b5f1933d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1y8bgki-2c2590cc4c9546a9f690fd48b5f1933d av_one_half  avia-builder-el-28  el_after_av_one_half  avia-builder-el-last  flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-1wf1a36-c3f7f248520918ed1e12482c40e010c7 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h5><strong>Modes de contamination<\/strong><\/h5>\n<p style=\"text-align: justify;\">Les spores produites par<strong><em> Fusarium circinatum<\/em><\/strong> sont v\u00e9hicul\u00e9es de plante \u00e0 plante par le vent, l\u2019eau, les insectes et peuvent circuler par le sol. De m\u00eame, les graines peuvent \u00eatre contamin\u00e9es par le champignon. Ainsi, les graines et les jeunes plants infect\u00e9s de <em>Pinus spp.<\/em> et de <em>Pseudotsuga menziesii<\/em> peuvent v\u00e9hiculer le parasite de r\u00e9gions infect\u00e9es vers des r\u00e9gions saines.<\/p>\n<p>La contamination peut avoir lieu de deux mani\u00e8res diff\u00e9rentes :<\/p>\n<p style=\"padding-left: 30px;\">\u2022 La plante est infect\u00e9e par des spores qui ont pr\u00e9alablement contamin\u00e9 la graine.<\/p>\n<p style=\"text-align: justify; padding-left: 30px;\">\u2022 La plante est contamin\u00e9e par des spores qui sont entr\u00e9es par les plaies pr\u00e9sentes sur les branches ou les racines et qui ont \u00e9t\u00e9 occasionn\u00e9es par les insectes, les intemp\u00e9ries ou les op\u00e9rations culturales.<\/p>\n<p style=\"text-align: justify;\">L\u2019incidence de la maladie est \u00e9galement augment\u00e9e lors de stress environnementaux (gel, chaleur, irrigation trop importante ou trop faible) ou suite \u00e0 un exc\u00e8s de fertilisation en azote. Le d\u00e9veloppement du champignon est favoris\u00e9 par une humidit\u00e9 ambiante \u00e9lev\u00e9e et une temp\u00e9rature sup\u00e9rieure \u00e0 14 \u00b0C. Selon l\u2019ICFR (Institut de recherche en foresterie d\u2019Afrique du Sud), il a \u00e9t\u00e9 v\u00e9rifi\u00e9 que le pathog\u00e8ne pouvait rester viable sur une p\u00e9riode de 18 mois dans les conditions id\u00e9ales. Il est m\u00eame capable de survivre quelques mois \u00e0 une temp\u00e9rature de 35 \u00b0C et \u00e0 une hygrom\u00e9trie de 0 %. Seules des temp\u00e9ratures sup\u00e9rieures \u00e0 50 \u00b0C sont fatales pour <em>G. circinata<\/em>. Cette grande r\u00e9sistance aux conditions ext\u00e9rieures rend l\u2019\u00e9limination de ce champignon difficile, et les conditions optimales de d\u00e9veloppement de ce pathog\u00e8ne rendent les zones c\u00f4ti\u00e8res du sud de la France particuli\u00e8rement vuln\u00e9rables.<\/p>\n<\/div>\n<\/div>\n<div class=\"vc_empty_space\" style=\"height: 32px;\">\n<\/div>\n<\/div><\/section><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_5'  class='avia-section av-1v7rhua-d3293be7b95bdaf9ddbad92be920104e main_color avia-section-default avia-no-border-styling  avia-builder-el-30  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1tzw9zm-f4e01ed7d53619ff7c4eb0fb7bc2298a\">\n.flex_column.av-1tzw9zm-f4e01ed7d53619ff7c4eb0fb7bc2298a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1tzw9zm-f4e01ed7d53619ff7c4eb0fb7bc2298a av_one_full  avia-builder-el-31  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-1r43s3m-9c2d609fa16e2f8feb6e0f20833e84ab '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Sympt\u00f4mes<\/h1>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qbt1pu-7e807d592b8bd690209ffb614fa35dd8\">\n.flex_column.av-1qbt1pu-7e807d592b8bd690209ffb614fa35dd8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 5%;\n}\n<\/style>\n<div  class='flex_column av-1qbt1pu-7e807d592b8bd690209ffb614fa35dd8 av_one_half  avia-builder-el-33  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-1nv8e1u-a78d422487c0c0a04ad3cfd12ec1ad2a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>Selon l\u2019\u00e2ge, l\u2019esp\u00e8ce v\u00e9g\u00e9tale et la localisation du point d\u2019infection (par le sol ou par le syst\u00e8me a\u00e9rien), les sympt\u00f4mes peuvent \u00eatre variables et plus ou moins facilement observables. Il arrive \u00e9galement que l\u2019infection soit latente (pas de sympt\u00f4mes visibles) pendant des ann\u00e9es et qu\u2019elle ne se d\u00e9clenche que lors d\u2019un stress important.<\/p>\n<h5>Infection par le sol<strong><br \/>\n<\/strong><\/h5>\n<p>En cas d\u2019infection de jeune plants due par exemple \u00e0 des graines contamin\u00e9es, on peut observer que l\u2019hypocotyle des plantules pourrit au niveau du sol et que les plantules s\u2019\u00e9croulent, en pr\u00e9sentant des sympt\u00f4mes de fonte des semis, peu caract\u00e9ristiques du <em>Fusarium<\/em> du pin mais pouvant entrainer une suspicion de la maladie en p\u00e9pini\u00e8re.<\/p>\n<p>Sur arbres jeunes ou adultes, une infection par se sol se traduit par des sympt\u00f4mes de n\u00e9croses racinaires et un \u00e9tranglement du tronc au dessus du niveau du sol, accompagn\u00e9s de la fragilisation du cortex qui aura alors tendance \u00e0 se d\u00e9sagr\u00e9ger. Sous l\u2019\u00e9corce, le bois peut prendre une teinte marron et pr\u00e9senter des chancres humides accompagn\u00e9s de coulures de r\u00e9sine. On observera dans les stades avanc\u00e9s de la maladie une d\u00e9coloration et un d\u00e9p\u00e9rissement foliaire, avec des rameaux bleuissant puis jaunissant perdant leurs aiguilles, pouvant aller jusqu\u2019\u00e0 entrainer la mort des individus contamin\u00e9s.<\/p>\n<h5>Infection par la partie a\u00e9rienne<strong><br \/>\n<\/strong><\/h5>\n<p>Les sympt\u00f4mes observ\u00e9s sont un \u00e9tranglement des branches au niveau du point d\u2019infection, accompagn\u00e9 d\u2019un d\u00e9p\u00e9rissement foliaire (bleuissement, jaunissement, brunissement puis perte des aiguilles). On observera l\u00e0 encore des chancres humides imbib\u00e9s de r\u00e9sine qui s\u2019accumule dans le bois sous l\u2019\u00e9corce, et qui peuvent provoquer des coulures le long des branches et des troncs des arbres infect\u00e9s. Aux stades les plus avanc\u00e9s de la maladie, l\u2019ensemble du houppier peut \u00eatre atteint et la maladie peut provoquer la mort des individus infect\u00e9s.<\/p>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-49p4uq-a2b9570f8c2a46f83b096b020ab206c7\">\n.flex_column.av-49p4uq-a2b9570f8c2a46f83b096b020ab206c7{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-49p4uq-a2b9570f8c2a46f83b096b020ab206c7 av_one_half  avia-builder-el-35  el_after_av_one_half  el_before_av_one_fourth  flex_column_div av-zero-column-padding  column-top-margin'     ><div  class='avia-slideshow av-krugx2lf-13a5f8d2c5249654c50e533e9ad04733 avia-slideshow-no scaling av_slideshow avia-slide-slider  avia-builder-el-36  avia-builder-el-no-sibling  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-2' 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https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-300x170.jpg 300w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-1030x582.jpg 1030w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-768x434.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-1536x869.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-2048x1158.jpg 2048w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-1500x848.jpg 1500w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/01\/000_pinus_fusarium_pin-22-705x399.jpg 705w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" 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data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Suivant\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-4' aria-describedby='av-svg-desc-4' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-4'>Suivant<\/title>\n<desc id='av-svg-desc-4'>Suivant<\/desc>\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Suivant<\/span><\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1bpdsci-7106ca3702de63dd7965b1c170735988\">\n.flex_column.av-1bpdsci-7106ca3702de63dd7965b1c170735988{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1bpdsci-7106ca3702de63dd7965b1c170735988 av_one_fourth  avia-builder-el-37  el_after_av_one_half  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18wqvyq-3153f384b6e04f9d2e12936700a4eb63\">\n.flex_column.av-18wqvyq-3153f384b6e04f9d2e12936700a4eb63{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-18wqvyq-3153f384b6e04f9d2e12936700a4eb63 av_one_half  avia-builder-el-38  el_after_av_one_fourth  el_before_av_one_fourth  flex_column_div av-zero-column-padding  column-top-margin'     ><article  class='iconbox iconbox_top av-18bo55e-b21431951081068ed11f3ae10eea57fc  avia-builder-el-39  avia-builder-el-no-sibling  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : \"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue81d' data-av_iconfont='entypo-fontello'  ><\/div><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><h5 style=\"text-align: center;\">Que faire si j\u2019observe des sympt\u00f4mes de la maladie ?<\/h5>\n<p style=\"text-align: center;\">Dans tous les cas, en cas d\u2019observation de sympt\u00f4mes de la maladie, il faut marquer les arbres et les <strong>signaler rapidement aux services comp\u00e9tents<\/strong> : au <strong>Service R\u00e9gional de l\u2019Alimentation<\/strong> (SRAL) ou aux <strong>F\u00e9d\u00e9rations de Lutte contre les Organismes Nuisibles<\/strong> (FREDON et FDGDON). Ces organismes sont charg\u00e9s de de la surveillance (confirmation de la pr\u00e9sence de la maladie) et ils coordonnent la lutte contre cet agent pathog\u00e8ne.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4a9a5u-116c9b0f41ed937dd706a893331679a3\">\n.flex_column.av-4a9a5u-116c9b0f41ed937dd706a893331679a3{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4a9a5u-116c9b0f41ed937dd706a893331679a3 av_one_fourth  avia-builder-el-40  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-14iq0ky-a7b1d1d7c4dfcc79b2578088f7db3bcf\">\n.avia-section.av-14iq0ky-a7b1d1d7c4dfcc79b2578088f7db3bcf{\nbackground-color:#f8ead4;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_6'  class='avia-section av-14iq0ky-a7b1d1d7c4dfcc79b2578088f7db3bcf main_color avia-section-default avia-no-border-styling  avia-builder-el-41  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13m7j8i-a4a50cfa672ce6d993403e4471317806\">\n.flex_column.av-13m7j8i-a4a50cfa672ce6d993403e4471317806{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-13m7j8i-a4a50cfa672ce6d993403e4471317806 av_one_full  avia-builder-el-42  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-11fn68y-2228cf4cef4ccb3435cefc677eb9e584 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Moyens de lutte<\/h1>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-noigfm-23d8fcbfb30909c9e748d34d6180904b\">\n.flex_column.av-noigfm-23d8fcbfb30909c9e748d34d6180904b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-noigfm-23d8fcbfb30909c9e748d34d6180904b av_one_half  avia-builder-el-44  el_after_av_one_full  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-mc9hki-584a3bdca840c879fcfff708cb4accd4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>La lutte curative est aujourd\u2019hui une solution peu efficace pour limiter le d\u00e9veloppement et la dispersion de <em>G. circinatum<\/em>. Selon l\u2019OEPP (Organisation Europ\u00e9enne de la Protection des Plantes), <strong>il n\u2019existe pas \u00e0 ce jour de traitement phytopharmaceutique efficace pour lutter contre cet agent pathog\u00e8ne<\/strong>. Face au manque de solutions curatives, il appara\u00eet que la <strong>prophylaxie<\/strong> et la <strong>destruction des lots contamin\u00e9s<\/strong> sont l\u2019issue la plus pertinente. Si un lot a \u00e9t\u00e9 d\u00e9clar\u00e9 contamin\u00e9 : ne pas utiliser les m\u00eames outils sur des plants symptomatiques et sur des plants apparemment sains sans les avoir d\u00e9sinfect\u00e9s au pr\u00e9alable. D\u00e9sinfecter l\u2019eau d\u2019irrigation \u00e0 l\u2019aide de chlore si le syst\u00e8me d\u2019irrigation est ferm\u00e9.<\/p>\n<p>Le point critique afin d\u2019\u00e9viter la dispersion du pathog\u00e8ne sur de longues distances consiste essentiellement \u00e0 <strong>\u00e9viter le transport de mat\u00e9riel (graines ou plants) contamin\u00e9s<\/strong> par le champignon. Ainsi, il convient de v\u00e9rifier avant toute importation que les plants ou les graines sont bien munis d\u2019un <strong>passeport phytosanitaire europ\u00e9en<\/strong> valide permettant de s\u2019assurer du bon statut sanitaire du mat\u00e9riel v\u00e9g\u00e9tal import\u00e9. Si les graines proviennent d\u2019un pays hors de l\u2019Union europ\u00e9enne, les lots doivent avoir \u00e9t\u00e9 certifi\u00e9s par les services phytosanitaires du pays de provenance.<\/p>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-37p90y-9593ed6cc896d002a2c0e1b0649face4\">\n.flex_column.av-37p90y-9593ed6cc896d002a2c0e1b0649face4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-37p90y-9593ed6cc896d002a2c0e1b0649face4 av_one_half  avia-builder-el-46  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-krugyusk-a6ffcee0600dc5066f9a64ce43dd6908 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>En cas d\u2019infestation en for\u00eat ou en p\u00e9pini\u00e8re, il convient de proc\u00e9der au rep\u00e9rage puis \u00e0 l\u2019<strong>assainissement du mat\u00e9riel v\u00e9g\u00e9tal contamin\u00e9 par arrachage et en br\u00fblant sur place le ou les arbres contamin\u00e9(s)<\/strong>, en \u00e9vitant le transport des bois contamin\u00e9s afin d\u2019\u00e9viter toute dispersion de l\u2019agent pathog\u00e8ne dans l\u2019environnement proche. Il convient de limiter la propagation aux arbres environnants au foyer par le biais du vent, de la pluie, des insectes ou des eaux de ruissellement.<\/p>\n<p>Des \u00e9tudes sont \u00e9galement en cours en Am\u00e9rique du Nord (Californie) et en Afrique du Sud pour identifier des cultivars tol\u00e9rants ou r\u00e9sistant \u00e0 cet agent pathog\u00e8ne.<\/p>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_7'  class='avia-section av-k7as76-da95b55b9a4d1f0bf45608a1f88c6f2a main_color avia-section-default avia-no-border-styling  avia-builder-el-48  el_after_av_section  el_before_av_social_share  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3938'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1z9vv6-71d36f2c259fca874c77fbc23314aee1\">\n.flex_column.av-1z9vv6-71d36f2c259fca874c77fbc23314aee1{\nborder-radius:0px 0px 0px 0px;\npadding:20px 20px 20px 20px;\nbackground-color:#f8ead4;\n}\n<\/style>\n<div  class='flex_column av-1z9vv6-71d36f2c259fca874c77fbc23314aee1 av_one_full  avia-builder-el-49  avia-builder-el-no-sibling  first flex_column_div  '     ><section  class='av_textblock_section av-hdal4i-6e13c59c30d97e48041705302394e89c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">R\u00e9glementations<\/h1>\n<p><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/FR\/TXT\/HTML\/?uri=CELEX:32016R2031&amp;from=FR\">R\u00e8glement (UE) 2016\/2031 du 26 octobre 2016<\/a><\/p>\n<p><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/FR\/TXT\/HTML\/?uri=CELEX:32019R2072&amp;from=FR\">R\u00e8glement d\u2019ex\u00e9cution 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