{"id":9134,"date":"2021-07-19T14:21:30","date_gmt":"2021-07-19T12:21:30","guid":{"rendered":"https:\/\/www.fredonoccitanie.com\/surveillance\/?page_id=9134"},"modified":"2025-12-12T11:28:29","modified_gmt":"2025-12-12T10:28:29","slug":"enroulement-chlorotique-de-labricotier","status":"publish","type":"page","link":"https:\/\/www.fredonoccitanie.com\/surveillance\/arboriculture\/enroulement-chlorotique-de-labricotier\/","title":{"rendered":"L\u2019Enroulement Chlorotique de l\u2019Abricotier"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-4bq59h-d53bcad7f5044616d5c549b9c967ec3c 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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-45merp-9b5d12b4ba3b3dd0d1ad774c78199f8d\">\n.flex_column.av-45merp-9b5d12b4ba3b3dd0d1ad774c78199f8d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-45merp-9b5d12b4ba3b3dd0d1ad774c78199f8d 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-42fnlh-267ebba9262c62d2442c68df4d46ba02 '   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-3wx82t-1f5c14dd2d9c698a278cf18ae48b3f1b\">\n.flex_column.av-3wx82t-1f5c14dd2d9c698a278cf18ae48b3f1b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3wx82t-1f5c14dd2d9c698a278cf18ae48b3f1b 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'     ><div  class='avia-slideshow av-3oqd3x-47a208464e6dfc639812d04ef8aab836 avia-slideshow-no scaling av_slideshow avia-slide-slider  avia-builder-el-4  avia-builder-el-no-sibling  av-slideshow-ui av-control-minimal 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: 139.95485327314%;'><li  class='avia-slideshow-slide av-3oqd3x-47a208464e6dfc639812d04ef8aab836__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-4362 avia-img-lazy-loading-not-4362\"  src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5.jpg\" width=\"1772\" height=\"2480\" title='eca_abricotier_ext (5)' alt='ECA abricotier'  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5.jpg 1772w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-214x300.jpg 214w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-736x1030.jpg 736w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-768x1075.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-1097x1536.jpg 1097w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-1463x2048.jpg 1463w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-1072x1500.jpg 1072w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-5-504x705.jpg 504w\" sizes=\"(max-width: 1772px) 100vw, 1772px\" \/><\/div><\/li><\/ul><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2xusjp-2159cd225a2d7758f49f778ecdded1e0\">\n.flex_column.av-2xusjp-2159cd225a2d7758f49f778ecdded1e0{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2xusjp-2159cd225a2d7758f49f778ecdded1e0 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-2pjrvx-495ec4e5887b1f00de7d90aab5ce7d11 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"column-1_2 sc_column_item sc_column_item_2 even\">\n<div class=\"wpb_column vc_column_container vc_col-sm-9\">\n<div class=\"vc_column-inner\">\n<div class=\"wpb_wrapper\">\n<div class=\"columns_wrap sc_columns columns_nofluid sc_columns_count_2\">\n<div class=\"column-1_2 sc_column_item sc_column_item_2 even\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p><b>NOM VERNACULAIRE : <\/b><strong>Enroulement chlorotique de l\u2019abricotier (ECA) ; <\/strong><span class=\"scientific\">Apricot chlorotic leafroll phytoplasma<\/span><\/p>\n<p><b>AGENT PATHOGENE :<\/b> Candidatus <em>phytoplasma prunorum<\/em> ; phytoplasme (bact\u00e9rie sans paroi)<\/p>\n<p><b>PLANTES HOTES : <\/b>Plusieurs esp\u00e8ces de <em>Prunus spp.<\/em> ; principalement <strong>A<\/strong><strong>bricotier<\/strong><em> (Prunus armeniaca<\/em>) et\u00a0<strong>Prunier japonais<\/strong> (<i>Prunus salicina<\/i>), mais aussi <strong>P\u00eacher<\/strong> (<em>Prunus persica<\/em>), <strong>Prunier<\/strong> (<em>Prunus domestica L.<\/em>)<i>,<\/i> <strong>Amandier<\/strong> (<em>Prunus dulcis<\/em>). Parfois aussi des adventices telles que le<strong> liseron des champs<\/strong> (<em>Convolvulus arvensis<\/em>) et le <strong>chiendent<\/strong> (<em>Cynodon dactylon<\/em>).<em><br \/>\n<\/em><\/p>\n<p><b>VECTEURS : <\/b><strong>le psylle<\/strong><em><strong> Cacopsylla pruni<\/strong> ; <\/em>greffage de mat\u00e9riel contamin\u00e9<em><br \/>\n<\/em><\/p>\n<\/div>\n<\/div>\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-2l27j1-72c714ece5a97ddec1816847b765a236\">\n.flex_column.av-2l27j1-72c714ece5a97ddec1816847b765a236{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2l27j1-72c714ece5a97ddec1816847b765a236 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'     ><section  class='av_textblock_section av-2gtawd-f5898c1ce160ce12e16d6b86f432058d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock bloc_infos'  itemprop=\"text\" ><h2>Ressources<\/h2>\n<p><a href=\"https:\/\/gd.eppo.int\/download\/doc\/566_ds_PHYPPR_fr.pdf\" target=\"_blank\" rel=\"noopener\">Fiche informative ECA (EPPO)<\/a><\/p>\n<p><a href=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/Sauvion_2012_ECA_PHYTOMA3_cle035af7.pdf\" target=\"_blank\" rel=\"noopener\">Dossier sur la gestion de l\u2019ECA en verger de fruitiers \u00e0 noyaux (Phytoma)<\/a><\/p>\n<p><a href=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/2013_-_Fiche_3_ECA.pdf\" target=\"_blank\" rel=\"noopener\">Fiche technique arbo \u2013 ECA (Chambagri-LR)<\/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<section  class='av_textblock_section av-2ay0f1-b8f2f4f8628be88ca47b45be3a4e68c7 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock bloc_infos'  itemprop=\"text\" ><h2><a href=\"https:\/\/www.fredonoccitanie.com\/nous-contacter\/\">Contact<\/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-1aex1x-84bca696eca1bfd993a707679465a7e1\">\n.avia-section.av-1aex1x-84bca696eca1bfd993a707679465a7e1{\nbackground-color:#576b35;\nbackground-image:unset;\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div 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fetchpriority=\"high\" class='wp-image-365 avia-img-lazy-loading-not-365 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2021\/06\/picto_surveillance.png\" alt='' title='picto_surveillance'  height=\"140\" width=\"140\"  itemprop=\"thumbnailUrl\" 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=\"(max-width: 140px) 100vw, 140px\" \/><\/div><\/div><\/div><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m2z3p-223574c4af47a497bd8aa0618489f27a\">\n#top .flex_column_table.av-equal-height-column-flextable.av-m2z3p-223574c4af47a497bd8aa0618489f27a{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-m2z3p-223574c4af47a497bd8aa0618489f27a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-m2z3p-223574c4af47a497bd8aa0618489f27a av_two_third  avia-builder-el-13  el_after_av_one_third  avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-middle av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g6ebp-76449f2be16671c300ca24cef379743f\">\n#top .hr.hr-invisible.av-g6ebp-76449f2be16671c300ca24cef379743f{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-g6ebp-76449f2be16671c300ca24cef379743f hr-invisible  avia-builder-el-14  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-81zbh-76d41ae857a80686d40235f092f52c4d\">\n#top .av_textblock_section.av-81zbh-76d41ae857a80686d40235f092f52c4d .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-81zbh-76d41ae857a80686d40235f092f52c4d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><div class=\"wpb_text_column wpb_content_element \"><b>L\u2019Enroulement Chlorotique de l\u2019Abricotier est une maladie de d\u00e9p\u00e9rissement <\/b>caus\u00e9e par un phytoplasme.\u00a0<b><\/b>Celui-ci est propag\u00e9 par un insecte vecteur, <strong>le psylle <em>Cacopsylla pruni<\/em><\/strong>, et transmissible par greffe.<br \/>\nL\u2019ECA se caract\u00e9rise par une feuillaison pr\u00e9coce en hiver et par une baisse significative de la production. Les sympt\u00f4mes d\u2019ECA sont principalement visibles sur les abricotiers et les pruniers japonais mais plusieurs esp\u00e8ces de Prunus cultiv\u00e9s ou spontan\u00e9s (p\u00eachers, amandiers, pruniers, prunelliers, myrobolans\u2026) sont aussi concern\u00e9es par cette maladie \u00e0 phytoplasme.<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2d86ku-a218f8be91aa8cc46691c4f42650fd06\">\n#top .hr.hr-invisible.av-2d86ku-a218f8be91aa8cc46691c4f42650fd06{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2d86ku-a218f8be91aa8cc46691c4f42650fd06 hr-invisible  avia-builder-el-16  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\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-wqtlym-1e2b10786df8d73aa67f7d44691f5a1d\">\n.avia-section.av-wqtlym-1e2b10786df8d73aa67f7d44691f5a1d{\nbackground-color:#dbdbcf;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_3'  class='avia-section av-wqtlym-1e2b10786df8d73aa67f7d44691f5a1d main_color avia-section-default avia-no-border-styling  avia-builder-el-17  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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vdys26-a9e4daee9d07077d9979d28ead8234c7\">\n.flex_column.av-vdys26-a9e4daee9d07077d9979d28ead8234c7{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vdys26-a9e4daee9d07077d9979d28ead8234c7 av_one_half  avia-builder-el-18  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kralab8y-f91912203ee566b2cc3726c3f1a9e4ce '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>\n<h5><strong>Distribution de la maladie<\/strong><\/h5>\n<\/li>\n<\/ul>\n<p>Aucune indication ne laisse supposer l\u2019existence de cette maladie en dehors de l\u2019Europe, exception faite d\u2019un signalement non confirm\u00e9 en Afrique du Sud. L\u2019ECA est aujourd\u2019hui largement r\u00e9pandu en Europe et en Afrique du Nord, notamment dans le pourtour m\u00e9diterran\u00e9en. On le retrouve notamment en Allemagne, Espagne (surtout dans la r\u00e9gion de Valencia), France (dans l\u2019ensemble des r\u00e9gions de culture de l\u2019abricotier), Gr\u00e8ce, Italie (surtout en Emilia-Romagna), Roumanie, Suisse et Yougoslavie.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-t4ar0e-ce852b80f098cdebbee3ce72673f77dc\">\n.flex_column.av-t4ar0e-ce852b80f098cdebbee3ce72673f77dc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-t4ar0e-ce852b80f098cdebbee3ce72673f77dc av_one_half  avia-builder-el-20  el_after_av_one_half  el_before_av_textblock  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kralamc7-85a61bb3e711ad6ff66213936a6c5df6\">\n.avia-image-container.av-kralamc7-85a61bb3e711ad6ff66213936a6c5df6 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kralamc7-85a61bb3e711ad6ff66213936a6c5df6 .av-caption-image-overlay-bg{\nopacity:0.4;\n}\n.avia-image-container.av-kralamc7-85a61bb3e711ad6ff66213936a6c5df6 .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:14px;\n}\n<\/style>\n<div  class='avia-image-container av-kralamc7-85a61bb3e711ad6ff66213936a6c5df6 av-styling-no-styling avia-align-center  avia-builder-el-21  avia-builder-el-no-sibling  noHover av-overlay-on-hover'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-11522 avia-img-lazy-loading-not-11522 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2024\/02\/ECA_EPPO_carte_2023.jpeg\" alt='' title='ECA_EPPO_carte_2023'  height=\"313\" width=\"576\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2024\/02\/ECA_EPPO_carte_2023.jpeg 576w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2024\/02\/ECA_EPPO_carte_2023-300x163.jpeg 300w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/div><\/div><\/div><\/div><section  class='av_textblock_section av-kralbk3r-d769abb804327cf0d754edbc5982db45 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>\n<h5>Vecteurs et dispersion<\/h5>\n<\/li>\n<\/ul>\n<p>Cette maladie peut \u00eatre transmise par voie naturelle par un insecte vecteur ou par voie v\u00e9g\u00e9tative au moment du greffage des vari\u00e9t\u00e9s ou du bouturage des porte-greffe. La part de l\u2019homme dans la diss\u00e9mination de la maladie n\u2019est donc pas \u00e0 n\u00e9gliger.<\/p>\n<p><b>Le psylle <em>Cacopsylla pruni <\/em><\/b>a \u00e9t\u00e9 identifi\u00e9 en 1998 comme un vecteur porteur du phytoplasme de l\u2019ECA et capable de le transmettre ; il est pr\u00e9sent dans toutes les r\u00e9gions o\u00f9 de l\u2019ECA a \u00e9t\u00e9 trouv\u00e9. Ce psylle est rarement observ\u00e9 dans les vergers \u00e0 l\u2019exception des vergers de pruniers japonais et des vergers abandonn\u00e9s. On peut aussi le capturer sur des repousses et drageons de porte-greffe dans les vergers greff\u00e9s sur une esp\u00e8ce de pruniers (Myrobolan, Mariana\u2026). C\u2019est surtout dans le milieu naturel que les plus fortes populations sont observ\u00e9es, \u00e0 proximit\u00e9 des vergers mais \u00e9galement dans des zones sans aucune plantation.<\/p>\n<p>Les donn\u00e9es actuelles laissent penser que <em>C. pruni<\/em> n\u2019a qu\u2019une g\u00e9n\u00e9ration par an. <b>Les adultes <\/b>hivernants reviennent d\u00e8s la mi-f\u00e9vrier sur les <em>Prunus<\/em> afin de se reproduire. On observe des arriv\u00e9es jusqu\u2019\u00e0 la fin du mois d\u2019avril, avec un pic de pr\u00e9sence mi-mars. Des individus \u00e9mergents, larves et adultes de la g\u00e9n\u00e9ration de l\u2019ann\u00e9e, sont visibles d\u00e8s la mi-mai puis disparaissent vers d\u2019autres plantes h\u00f4tes d\u00e9but juin. Quelques psylles ont \u00e9t\u00e9 observ\u00e9s en \u00e9t\u00e9, automne et hiver sur des conif\u00e8res en zone de demi-montagne (<i>Ces donn\u00e9es ont \u00e9t\u00e9 acquises par des battages standardis\u00e9s sur Prunus et conif\u00e8res<\/i>).<\/p>\n<p>Le mode transmission est de type persistant (<strong>un individu infect\u00e9 est contaminant durant toute sa vie<\/strong>). Le psylle acquiert le phytoplasme en r\u00e9alisant une piq\u00fbre sur un arbre ou un massif contamin\u00e9. Apr\u00e8s une phase de multiplication du phytoplasme dans ses glandes salivaires, l\u2019insecte devient infectieux et peut alors transmettre la maladie. Cette phase de multiplication, appel\u00e9e phase de latence, dure plusieurs semaines. Or tr\u00e8s rares sont les insectes qui, entre d\u00e9but mars et d\u00e9but juin (p\u00e9riode de leur pr\u00e9sence sur <em>Prunus<\/em>), multiplient le phytoplasme en quantit\u00e9 suffisante pour qu\u2019il soit transmissible. La cons\u00e9quence est que <strong>seuls les adultes r\u00e9-immigrants en f\u00e9vrier-mars et qui ont acquis le phytoplasme l\u2019ann\u00e9e pr\u00e9c\u00e9dente, ont des chances de retransmettre le phytoplasme, soit apr\u00e8s un temps de latence d\u2019environ 8 mois.<\/strong><br \/>\nActuellement on estime que 3 \u00e0 4 % des psylles sont porteurs du phytoplasme au printemps (toutes r\u00e9gions de France confondues).<\/p>\n<p>On soup\u00e7onne \u00e9galement <em>Fieberiella florii<\/em>, ainsi que les cicadelideae <em>Anaceratagallia<\/em> et <em>Euscelis<\/em> d\u2019\u00eatre des vecteurs potentiels de ce phytoplasme. Il est \u00e9galement possible que certaines esp\u00e8ces de plantes adventices sauvages telles que le liseron des champs (<em>Convolvulus arvensis<\/em>) et le chiendent (<em>Cynodon dactylon<\/em>) constituent des r\u00e9servoirs de la maladie.<em><br \/>\n<\/em><\/p>\n<\/div><\/section>\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-p37ph-4d0db80bd16b36b19642b079c4225281\">\n.avia-section.av-p37ph-4d0db80bd16b36b19642b079c4225281{\nbackground-color:#f8ead4;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_4'  class='avia-section av-p37ph-4d0db80bd16b36b19642b079c4225281 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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1ewp4l-cbf99d866233f07d8e56cb7ee48dd89b\">\n.flex_column.av-1ewp4l-cbf99d866233f07d8e56cb7ee48dd89b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1ewp4l-cbf99d866233f07d8e56cb7ee48dd89b av_one_full  avia-builder-el-24  el_before_av_textblock  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kpmq07xl-ff93b98011b9b33261f0e58e8b9e01db '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Impacts<\/h1>\n<\/div><\/section><\/div><section  class='av_textblock_section av-krakh36t-233d100afb60483f62de3c221389f158 '   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<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>Anecdotique sur p\u00eachers et nectariniers, l\u2019ECA cause de graves d\u00e9g\u00e2ts et remet en cause la rentabilit\u00e9 du verger sur abricotiers et pruniers japonais. Ce phytoplasme est pr\u00e9sent dans les vaisseaux conducteurs de s\u00e8ve et provoque un d\u00e9r\u00e8glement v\u00e9g\u00e9tatif de l\u2019arbre.<\/p>\n<p>Un arbre contamin\u00e9 pr\u00e9sente g\u00e9n\u00e9ralement :<\/p>\n<ul>\n<li><strong>une feuillaison pr\u00e9coce, de d\u00e9cembre \u00e0 f\u00e9vrier ;<\/strong><\/li>\n<li><strong>des chloroses, l\u2019enroulement en cornet des feuilles, pendant la p\u00e9riode de v\u00e9g\u00e9tation ;<\/strong><\/li>\n<li><strong>une diminution de la floraison ainsi qu\u2019une chute des fruits qui sont ab\u00eem\u00e9s (brunissement et dess\u00e8chement interne, manque de jus, chute du taux de sucre) ;<\/strong><\/li>\n<li><strong>une r\u00e9duction de la croissance v\u00e9g\u00e9tative et un d\u00e9p\u00e9rissement g\u00e9n\u00e9ral et \u00e0 terme la mort de l\u2019arbre.<\/strong><\/li>\n<\/ul>\n<p>Cette maladie entra\u00eene des pertes \u00e9conomiques importantes et peut rapidement se propager au verger et alors causer la mort de nombreux arbres.<\/p>\n<p>La maladie entra\u00eene la <strong>destruction des abricotiers 12 \u00e0 24 mois apr\u00e8s l\u2019apparition des premier sympt\u00f4mes<\/strong>. Cette dur\u00e9e est r\u00e9duite \u00e0 <strong>quelques semaines si le porte-greffe est le p\u00eacher<\/strong>. La gu\u00e9rison spontan\u00e9e, exceptionnelle dans le cas de l\u2019abricotier, serait moins rare avec <em>P. salicina<\/em>. <strong>En France, la maladie para\u00eet responsable de 60-70% des cas de d\u00e9p\u00e9rissement de l\u2019abricotier<\/strong>. Elle commence \u00e0 se manifester gravement lorsque les arbres atteignent l\u2019\u00e2ge de production, vers 5 ans. Par la suite elle peut d\u00e9truire jusqu\u2019\u00e0 5% des arbres chaque ann\u00e9e. Dans les autres pays o\u00f9 cette maladie est pr\u00e9sente, <em>P. salicina<\/em> est la plante-h\u00f4te la plus importante.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_5'  class='avia-section av-ohl5wu-6c30ac86204eb6b45ca3df2ecb50581f main_color avia-section-default avia-no-border-styling  avia-builder-el-27  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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-n3zr7y-77266eabc352cf7a10da15795b8be180\">\n.flex_column.av-n3zr7y-77266eabc352cf7a10da15795b8be180{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-n3zr7y-77266eabc352cf7a10da15795b8be180 av_one_full  avia-builder-el-28  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k82z0e-7ae81cfc7c249d644c9b3e99cff4aa65 '   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-j5pdcu-039bb5ac34b1fcff75892969fa0a2e4d\">\n.flex_column.av-j5pdcu-039bb5ac34b1fcff75892969fa0a2e4d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-j5pdcu-039bb5ac34b1fcff75892969fa0a2e4d av_one_full  avia-builder-el-30  el_after_av_one_full  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kralfidr-89fe7c88d0aefebb34cb6fd4aa545f25 '   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>Les sympt\u00f4mes de l\u2019ECA sont en g\u00e9n\u00e9ral tr\u00e8s caract\u00e9ristiques, mais cette maladie est parfois difficile \u00e0 identifier formellement visuellement.<\/p>\n<p>Le sympt\u00f4me le plus caract\u00e9ristique est un <strong>d\u00e9bourrement pr\u00e9coce par feuillaison anticip\u00e9e<\/strong> d\u00e8s janvier ou f\u00e9vrier voire plus t\u00f4t encore. on peut aussi constater des <strong>raccourcissement d\u2019entre-n\u0153uds<\/strong>. Mais la maladie ne se d\u00e9tecte parfois que par des sympt\u00f4mes plus tardifs : <strong>jaunissement des feuilles et enroulement<\/strong> autour de la nervure principale, <strong>chute des fruits<\/strong> quelques jours avant leur maturit\u00e9. <strong>Le d\u00e9p\u00e9rissement conduit souvent \u00e0 la mort de l\u2019arbre<\/strong>.<\/p>\n<p>Certains sympt\u00f4mes peuvent \u00eatre confondus avec les effets d\u2019alt\u00e9rations du syst\u00e8me racinaire (pourridi\u00e9, asphyxie) ou avec des fl\u00e9trissements tardifs d\u2019arbres entiers li\u00e9s \u00e0 une n\u00e9crose des tissus du tronc cons\u00e9cutive \u00e0 une attaque de chancre bact\u00e9rien. Enfin, il s\u2019\u00e9coule parfois plusieurs ann\u00e9es entre le moment o\u00f9 un arbre a \u00e9t\u00e9 infect\u00e9 et celui o\u00f9 il exprimera des sympt\u00f4mes ; autrement dit en verger <strong>il peut exister des arbres dits \u00ab asymptomatiques \u00bb<\/strong>.<\/p>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-h19ba6-b7f0da4bf9aed0a5c761bcbca96fa947\">\n.flex_column.av-h19ba6-b7f0da4bf9aed0a5c761bcbca96fa947{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 10%;\n}\n<\/style>\n<div  class='flex_column av-h19ba6-b7f0da4bf9aed0a5c761bcbca96fa947 av_one_third  avia-builder-el-32  el_after_av_one_full  el_before_av_one_third  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kraldyxv-d78a73acf780125c543631c6e3568907\">\n.avia-image-container.av-kraldyxv-d78a73acf780125c543631c6e3568907 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kraldyxv-d78a73acf780125c543631c6e3568907 .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-kraldyxv-d78a73acf780125c543631c6e3568907 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kraldyxv-d78a73acf780125c543631c6e3568907 av-styling- avia-align-center  avia-builder-el-33  avia-builder-el-no-sibling  noHover av-overlay-hover-deactivate'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>D\u00e9bourrement pr\u00e9coce au printemps<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4368 avia-img-lazy-loading-not-4368 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-300x200.jpg\" alt='' title='eca_pecher (6)'  height=\"200\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-300x200.jpg 300w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-1030x687.jpg 1030w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-768x512.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-1536x1024.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-2048x1365.jpg 2048w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-1500x1000.jpg 1500w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_pecher-6-705x470.jpg 705w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gbn8u6-9d96560480e57586e29fde1be641471b\">\n.flex_column.av-gbn8u6-9d96560480e57586e29fde1be641471b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 10%;\n}\n<\/style>\n<div  class='flex_column av-gbn8u6-9d96560480e57586e29fde1be641471b av_one_third  avia-builder-el-34  el_after_av_one_third  el_before_av_one_third  flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kraleg1e-d1f7902ac64841274887cf22ed0b4a44\">\n.avia-image-container.av-kraleg1e-d1f7902ac64841274887cf22ed0b4a44 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kraleg1e-d1f7902ac64841274887cf22ed0b4a44 .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-kraleg1e-d1f7902ac64841274887cf22ed0b4a44 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kraleg1e-d1f7902ac64841274887cf22ed0b4a44 av-styling- avia-align-center  avia-builder-el-35  avia-builder-el-no-sibling  noHover av-overlay-hover-deactivate'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Pr\u00e9sence simultan\u00e9e de fleurs, de feuilles et de fruits sur les abres atteints<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4369 avia-img-lazy-loading-not-4369 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-300x214.jpg\" alt='' title='eca_abricotier_ext (11)'  height=\"214\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-300x214.jpg 300w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1030x736.jpg 1030w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-768x549.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1536x1097.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-2048x1463.jpg 2048w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1500x1072.jpg 1500w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-260x185.jpg 260w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-705x504.jpg 705w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-eoajji-87797fc7ab85b72cf31183f662dc32fa\">\n.flex_column.av-eoajji-87797fc7ab85b72cf31183f662dc32fa{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 10%;\n}\n<\/style>\n<div  class='flex_column av-eoajji-87797fc7ab85b72cf31183f662dc32fa av_one_third  avia-builder-el-36  el_after_av_one_third  el_before_av_one_full  flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kraleyf6-8585f9b8118730f1614439402250c061\">\n.avia-image-container.av-kraleyf6-8585f9b8118730f1614439402250c061 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kraleyf6-8585f9b8118730f1614439402250c061 .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-kraleyf6-8585f9b8118730f1614439402250c061 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kraleyf6-8585f9b8118730f1614439402250c061 av-styling- avia-align-center  avia-builder-el-37  avia-builder-el-no-sibling  noHover av-overlay-hover-deactivate'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Sympt\u00f4mes caract\u00e9ristiques de jaunissement et d&rsquo;enroulement<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4370 avia-img-lazy-loading-not-4370 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/PHYPPR_1217-300x203.jpg\" alt='' title='PHYPPR_1217'  height=\"203\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/PHYPPR_1217-300x203.jpg 300w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/PHYPPR_1217-768x519.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/PHYPPR_1217-705x476.jpg 705w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/PHYPPR_1217.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bwoxr2-f19120c97a14a6eb11f931df590693c8\">\n.flex_column.av-bwoxr2-f19120c97a14a6eb11f931df590693c8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bwoxr2-f19120c97a14a6eb11f931df590693c8 av_one_full  avia-builder-el-38  el_after_av_one_third  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kralg2mk-e5c95f58d86796661199a158c7de8d61 '   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<div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-has-fill\">\n<div class=\"vc_column-inner vc_custom_1484146032693\">\n<div class=\"wpb_wrapper\">\n<section class=\"vc_cta3-container\">\n<div class=\"vc_general vc_cta3 vc_cta3-style-outline vc_cta3-shape-rounded vc_cta3-align-center vc_cta3-color-green vc_cta3-icons-on-border vc_cta3-icon-size-sm vc_cta3-icons-in-box vc_cta3-icons-top wpb_animate_when_almost_visible wpb_appear appear vc_custom_1585827870865 wpb_start_animation animated\">\n<div class=\"vc_cta3_content-container\">\n<div class=\"vc_cta3-content\">\n<h5><strong>Que faire si j\u2019observe des sympt\u00f4mes de la pr\u00e9sence de cette maladie ?<\/strong><\/h5>\n<p><strong>En cas d\u2019observation de sympt\u00f4mes de la maladie, il faut marquer les arbres et les signaler rapidement aux services comp\u00e9tents<\/strong> : au <strong>Service R\u00e9gional de l\u2019Alimentation<\/strong> (SRAL) ou \u00e0 <strong>FREDON Occitanie et ses sections d\u00e9partementales (FDGDON)<\/strong>.<\/p>\n<p>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>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><\/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-9pf2jy-2248d879117733735813171a58518558\">\n.avia-section.av-9pf2jy-2248d879117733735813171a58518558{\nbackground-color:#f8ead4;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_6'  class='avia-section av-9pf2jy-2248d879117733735813171a58518558 main_color avia-section-default avia-no-border-styling  avia-builder-el-40  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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-73nxxa-1f210b34352ccd1482461ee993afb711\">\n.flex_column.av-73nxxa-1f210b34352ccd1482461ee993afb711{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-73nxxa-1f210b34352ccd1482461ee993afb711 av_one_full  avia-builder-el-41  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-5qs95q-90c953c7ec53be31bf9294d0c6ba7434 '   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-48vvri-59ec81248a415178a0ecd6cc09c31dbc\">\n.flex_column.av-48vvri-59ec81248a415178a0ecd6cc09c31dbc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-48vvri-59ec81248a415178a0ecd6cc09c31dbc av_one_half  avia-builder-el-43  el_after_av_one_full  el_before_av_one_half  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-krqkpowm-9dd532b4a32fcbbe259e2a766e677c36\">\n.avia-image-container.av-krqkpowm-9dd532b4a32fcbbe259e2a766e677c36 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-krqkpowm-9dd532b4a32fcbbe259e2a766e677c36 .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:14px;\n}\n<\/style>\n<div  class='avia-image-container av-krqkpowm-9dd532b4a32fcbbe259e2a766e677c36 av-styling-no-styling avia-align-right  avia-builder-el-44  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-4369 avia-img-lazy-loading-not-4369 avia_image ' src=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11.jpg\" alt='' title='eca_abricotier_ext (11)'  height=\"1772\" width=\"2480\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11.jpg 2480w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-300x214.jpg 300w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1030x736.jpg 1030w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-768x549.jpg 768w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1536x1097.jpg 1536w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-2048x1463.jpg 2048w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-1500x1072.jpg 1500w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-260x185.jpg 260w, https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2017\/02\/eca_abricotier_ext-11-705x504.jpg 705w\" sizes=\"(max-width: 2480px) 100vw, 2480px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-27hzqm-70bf73c2980779d71b27d5af01f8a498\">\n.flex_column.av-27hzqm-70bf73c2980779d71b27d5af01f8a498{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-27hzqm-70bf73c2980779d71b27d5af01f8a498 av_one_half  avia-builder-el-45  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-krqko25e-1bb54ad74b791edc1141dca755a0fa28 '   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 <b>SEULE<\/b> m\u00e9thode de lutte \u00e0 privil\u00e9gier reste la prophylaxie.<\/p>\n<p>Malgr\u00e9 les doutes qui subsistent sur la possibilit\u00e9 de certains <em>Prunus<\/em> d\u2019\u00eatre des r\u00e9servoirs de cette maladie, et sur le temps d\u2019incubation du phytoplasme dans l\u2019arbre, il est certain que :<\/p>\n<ul>\n<li><strong>Les arbres contamin\u00e9s dans un verger doivent \u00eatre d\u00e9vitalis\u00e9s et arrach\u00e9s, en hiver, d\u00e8s l\u2019apparition du sympt\u00f4me de mise \u00e0 feuilles pr\u00e9coce, Rappelons que le phytoplasme est pr\u00e9sent dans l\u2019ensemble de l\u2019arbre, il est donc sans aucun effet pour sa survie de couper seulement les branches pr\u00e9sentant des sympt\u00f4mes.<\/strong><\/li>\n<li><strong>Tous les drageons et autres repousses doivent \u00eatre \u00e9limin\u00e9s, car ce sont des h\u00f4tes privil\u00e9gi\u00e9s des psylles.<\/strong><\/li>\n<li><strong>L\u2019\u00e9limination des vergers abandonn\u00e9s fait aussi partie des mesures prophylactiques.<\/strong><\/li>\n<li><strong>Il convient de d\u00e9sinfecter les outils de taille entre deux arbres.<\/strong><\/li>\n<\/ul>\n<p><b>Ces mesures de prophylaxie doivent \u00eatre prises avant l\u2019arriv\u00e9e des psylles hivernants mi-f\u00e9vrier, afin de d\u00e9truire toutes sources de contamination dans le verger. <\/b><\/p>\n<p>Il est \u00e9galement possible de lutter contre les psylles du prunier par le biais de pr\u00e9parations phytopharmaceutiques. Consultez le site<a href=\"https:\/\/ephy.anses.fr\/\"> E-phy<\/a> pour vous aider dans le choix des pr\u00e9parations utilisables en traitement des parties a\u00e9riennes.<\/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-4389a-4dbcdb80e89e81514fe4a1601edcc44b main_color avia-section-default avia-no-border-styling  avia-builder-el-47  el_after_av_section  avia-builder-el-last  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-9134'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-932o7y-70f74dd8211ae726c59d6be522398737\">\n.flex_column.av-932o7y-70f74dd8211ae726c59d6be522398737{\nborder-radius:0px 0px 0px 0px;\npadding:20px 20px 20px 20px;\nbackground-color:#f8ead4;\n}\n<\/style>\n<div  class='flex_column av-932o7y-70f74dd8211ae726c59d6be522398737 av_one_full  avia-builder-el-48  el_before_av_one_full  avia-builder-el-first  first flex_column_div  '     ><section  class='av_textblock_section av-7eogm6-f255ad6ed82c0bff19d548d0c6fb9191 '   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 (UE) 2019\/2072 du 28 novembre 2019<\/a><\/p>\n<p><a href=\"https:\/\/www.fredonoccitanie.com\/surveillance\/wp-content\/uploads\/sites\/4\/2020\/07\/20200608_ap_eca_sign.pdf\">Arr\u00eat\u00e9 pr\u00e9fectoral du 8 juin 2020 pour la r\u00e9gion Occitanie<\/a><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5irjn2-b036b0f274a54074eb5d60b07035f9c5\">\n#top .hr.hr-invisible.av-5irjn2-b036b0f274a54074eb5d60b07035f9c5{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-5irjn2-b036b0f274a54074eb5d60b07035f9c5 hr-invisible  avia-builder-el-50  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-4lxhmm-b2e16768872a60b96886e4d991d382a8\">\n.flex_column.av-4lxhmm-b2e16768872a60b96886e4d991d382a8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4lxhmm-b2e16768872a60b96886e4d991d382a8 av_one_full  avia-builder-el-51  el_after_av_one_full  avia-builder-el-last  first flex_column_div av-zero-column-padding  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