{"id":55104,"date":"2025-04-18T10:57:34","date_gmt":"2025-04-18T14:57:34","guid":{"rendered":"https:\/\/expertsnutrite.com\/?p=55104"},"modified":"2025-04-18T11:08:40","modified_gmt":"2025-04-18T15:08:40","slug":"comment-prevenir-et-traiter-la-plaque-jaune-estivale-rhizoctone-sur-votre-pelouse","status":"publish","type":"post","link":"https:\/\/expertsnutrite.com\/fr\/comment-prevenir-et-traiter-la-plaque-jaune-estivale-rhizoctone-sur-votre-pelouse\/","title":{"rendered":"Comment pr\u00e9venir et traiter la plaque jaune estivale (rhizoctone) sur votre pelouse"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Pourquoi votre gazon jaunit-il par endroits? Il est bien possible que la plaque jaune estivale, caus\u00e9e par le champignon Rhizoctonia, soit en cause. Cette maladie fongique, aussi appel\u00e9e rhizoctone, peut affecter la sant\u00e9 de votre pelouse, surtout au printemps lorsque les temp\u00e9ratures sont fra\u00eeches et l&rsquo;humidit\u00e9 \u00e9lev\u00e9e. Bien qu&rsquo;aucun traitement curatif n&rsquo;existe, certaines pratiques peuvent limiter les dommages et favoriser un gazon bien vert. Explorons ensemble les sympt\u00f4mes, les causes et les meilleures pratiques pour pr\u00e9venir et contr\u00f4ler cette maladie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment reconna\u00eetre la plaque jaune estivale?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les premiers signes de la maladie apparaissent sous forme de petites taches vert p\u00e2le qui virent progressivement au vert-jaune, puis au jaune compl\u00e8tement. Si rien n&rsquo;est fait, ces taches peuvent s&rsquo;\u00e9largir et se rejoindre, formant de grandes plaques jaunes avec des touffes de gazon vert \u00e0 l&rsquo;int\u00e9rieur. Avec le retour des temp\u00e9ratures plus chaudes et une humidit\u00e9 relative, le gazon peut reverdir naturellement. Cependant, si les plaques atteignent un diam\u00e8tre de plus de 90 cm (3 pieds), le gazon peut mourir et devenir brun, n\u00e9cessitant une intervention pour le restaurer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi cette maladie affecte-t-elle votre pelouse?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La rhizoctone se d\u00e9veloppe dans certaines conditions propices :&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un sol compact ou mal drain\u00e9 retient l&rsquo;humidit\u00e9 pendant plusieurs jours, ce qui favorise la prolif\u00e9ration du champignon.\u00a0<\/li>\n\n\n\n<li>Une accumulation de feutre cr\u00e9e un environnement humide id\u00e9al pour son d\u00e9veloppement.\u00a0<\/li>\n\n\n\n<li>Les temp\u00e9ratures fra\u00eeches et une humidit\u00e9 \u00e9lev\u00e9e au printemps augmentent \u00e9galement les risques.\u00a0<\/li>\n\n\n\n<li>Enfin, un arrosage mal adapt\u00e9, comme un exc\u00e8s d&rsquo;eau ou un arrosage trop fr\u00e9quent mais superficiel, peut aggraver la situation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Comment pr\u00e9venir et contr\u00f4ler la plaque jaune estivale?<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Un arrosage ad\u00e9quat est primordial pour limiter son d\u00e9veloppement. Normalement, la pelouse a besoin de 2,5 cm \u00e0 5 cm d\u2019eau par semaine selon les conditions. S\u2019il n\u2019a pas plu assez, il est recommand\u00e9 d\u2019arroser en profondeur trois fois par semaine tout en respectant les restrictions municipales. Il faut toutefois s\u2019assurer que le gazon soit compl\u00e8tement sec entre chaque arrosage afin d\u2019\u00e9viter une humidit\u00e9 excessive qui favorise la maladie.\u00a0<\/li>\n\n\n\n<li>Une a\u00e9ration du sol est \u00e9galement b\u00e9n\u00e9fique, surtout si le sol est compact, car elle permet une meilleure infiltration de l\u2019eau.\u00a0<\/li>\n\n\n\n<li>Un d\u00e9chaumage r\u00e9gulier est aussi une bonne pratique, puisqu\u2019un exc\u00e8s de chaume emp\u00eache l\u2019eau de p\u00e9n\u00e9trer efficacement et retient l\u2019humidit\u00e9, cr\u00e9ant ainsi un environnement propice au champignon.\u00a0<\/li>\n\n\n\n<li>Enfin, un entretien rigoureux du gazon comprenant une fertilisation adapt\u00e9e et une tonte \u00e0 une hauteur d\u2019environ 8 cm contribue \u00e0 renforcer la pelouse et \u00e0 la rendre plus r\u00e9sistante aux maladies.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9paration des zones endommag\u00e9es<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque la rhizoctone a caus\u00e9 des dommages permanents, une restauration du gazon s\u2019impose. Une fois la maladie inactive, il est n\u00e9cessaire de ratisser et de d\u00e9chaumer les zones mortes afin de retirer les r\u00e9sidus affect\u00e9s. Ensuite, un semis avec des vari\u00e9t\u00e9s de gazon adapt\u00e9es \u00e0 votre terrain permettra de revitaliser la pelouse. Il est important d\u2019assurer un arrosage ad\u00e9quat et un suivi rigoureux pour favoriser une bonne reprise des nouvelles pousses. Cependant, il faut \u00e9viter d\u2019effectuer ces travaux en pleine canicule ou durant une p\u00e9riode de s\u00e9cheresse, car cela pourrait affaiblir encore plus la pelouse et causer des dommages suppl\u00e9mentaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que la plaque jaune estivale puisse sembler alarmante, elle peut \u00eatre g\u00e9r\u00e9e efficacement avec des pratiques d&rsquo;entretien appropri\u00e9es. Un bon drainage, un arrosage strat\u00e9gique et un entretien r\u00e9gulier de votre pelouse permettront de minimiser son impact et d&rsquo;assurer un gazon verdoyant tout au long de la saison. En adoptant ces bonnes pratiques, votre pelouse restera forte et en sant\u00e9, m\u00eame face aux caprices du climat qu\u00e9b\u00e9cois!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous avez un doute concernant l\u2019\u00e9tat de votre pelouse, contactez votre Expert Nutrite sans tarder. Il sera en mesure de poser un bon diagnostic et de vous proposer les solutions appropri\u00e9es pour que votre pelouse retrouve la sant\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pourquoi votre gazon jaunit-il par endroits? Il est bien possible que la plaque jaune estivale, caus\u00e9e par le champignon Rhizoctonia, soit en cause. Cette maladie fongique, aussi appel\u00e9e rhizoctone, peut affecter la sant\u00e9 de votre pelouse, surtout au printemps lorsque les temp\u00e9ratures sont fra\u00eeches et l&rsquo;humidit\u00e9 \u00e9lev\u00e9e. Bien qu&rsquo;aucun traitement curatif n&rsquo;existe, certaines pratiques peuvent [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":55105,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[21],"tags":[94,96],"class_list":["post-55104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insectes_et_maladies","tag-saison_ete","tag-saison_printemps"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Votre gazon jaunit? 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Il est bien possible que la plaque jaune estivale, caus\u00e9e par le champignon Rhizoctonia, soit en cause. Cette maladie fongique, aussi appel\u00e9e rhizoctone, peut affecter la sant\u00e9 de votre pelouse, surtout au printemps lorsque les temp\u00e9ratures sont fra\u00eeches et l&rsquo;humidit\u00e9 \u00e9lev\u00e9e. Bien qu&rsquo;aucun traitement curatif n&rsquo;existe, certaines pratiques peuvent\u2026","_links":{"self":[{"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/posts\/55104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/comments?post=55104"}],"version-history":[{"count":0,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/posts\/55104\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/media\/55105"}],"wp:attachment":[{"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/media?parent=55104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/categories?post=55104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/expertsnutrite.com\/fr\/wp-json\/wp\/v2\/tags?post=55104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}