{"id":23703,"date":"2023-08-31T10:56:06","date_gmt":"2023-08-31T08:56:06","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=23703"},"modified":"2023-08-31T10:57:50","modified_gmt":"2023-08-31T08:57:50","slug":"maladies-foliaires-la-cercosporiose-progresse-rapidement","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/maladies-foliaires-la-cercosporiose-progresse-rapidement\/","title":{"rendered":"Maladies foliaires\u00a0\u2013 la cercosporiose progresse rapidement"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/MicrosoftTeams-image-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-23705 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/MicrosoftTeams-image-2-169x300.png\" alt=\"\" width=\"169\" height=\"300\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/MicrosoftTeams-image-2-169x300.png 169w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/MicrosoftTeams-image-2.png 378w\" sizes=\"auto, (max-width: 169px) 100vw, 169px\" \/><\/a>Les 2 derni\u00e8res semaines montrent une tr\u00e8s forte \u00e9volution de la cercosporiose dans certaines parcelles, m\u00eame apr\u00e8s un premier traitement. Plus de 60% des parcelles ont d\u00e9j\u00e0 atteint le deuxi\u00e8me seuil. Ne laissez pas la cercosporiose se r\u00e9installer et traitez d\u00e8s que le seuil de 20% est atteint, surtout si votre date d\u2019arrachage est plus tardive.<\/p>\n<p>Il est bien-s\u00fbr important de raisonner les traitements fongicides en fonction de la date pr\u00e9vue de l\u2019arrachage et en fonction de la sensibilit\u00e9 de vos vari\u00e9t\u00e9s. Un traitement \u00e0 moins de 40 jours avant la r\u00e9colte est rarement rentabilis\u00e9, certainement si la vari\u00e9t\u00e9 choisie a une bonne tol\u00e9rance \u00e0 la cercosporiose.<\/p>\n<p>Depuis le 20\/8, les <strong>seuils<\/strong> de traitements sont :<\/p>\n<ul>\n<li><strong>Cercosporiose ou Ramulariose : 20 % de feuilles atteintes ;<\/strong><\/li>\n<li><strong>O\u00efdium ou Rouille : 30 % de feuilles atteintes.<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong>Vous pouvez suivre l&#8217;\u00e9volution des maladies foliaires via <a href=\"https:\/\/www.irbab-kbivb.be\/fr\/cartographie-champs-dobservations\/juillet-aout-2023-problemes-sanitaires-signales-en-culture-betteraves\/\">la carte<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les 2 derni\u00e8res semaines montrent une tr\u00e8s forte \u00e9volution de la cercosporiose dans certaines parcelles, m\u00eame apr\u00e8s un premier traitement. Plus de 60% des parcelles ont d\u00e9j\u00e0 atteint le deuxi\u00e8me seuil. Ne laissez pas la cercosporiose se r\u00e9installer et traitez d\u00e8s que le seuil de 20% est atteint, surtout si votre date d\u2019arrachage est plus [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":23705,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":3,"footnotes":""},"categories":[2,221],"tags":[243],"class_list":["post-23703","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","category-maladies-foliaires","tag-messages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Maladies foliaires\u00a0\u2013 la cercosporiose progresse rapidement - IRBAB-KBIVB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.irbab-kbivb.be\/fr\/maladies-foliaires-la-cercosporiose-progresse-rapidement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maladies foliaires\u00a0\u2013 la cercosporiose progresse rapidement - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Les 2 derni\u00e8res semaines montrent une tr\u00e8s forte \u00e9volution de la cercosporiose dans certaines parcelles, m\u00eame apr\u00e8s un premier traitement. Plus de 60% des parcelles ont d\u00e9j\u00e0 atteint le deuxi\u00e8me seuil. Ne laissez pas la cercosporiose se r\u00e9installer et traitez d\u00e8s que le seuil de 20% est atteint, surtout si votre date d\u2019arrachage est plus [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.irbab-kbivb.be\/fr\/maladies-foliaires-la-cercosporiose-progresse-rapidement\/\" \/>\n<meta property=\"og:site_name\" content=\"IRBAB-KBIVB\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-31T08:56:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-31T08:57:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/MicrosoftTeams-image-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"378\" \/>\n\t<meta property=\"og:image:height\" content=\"672\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Marion\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marion\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/\"},\"author\":{\"name\":\"Marion\",\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/#\\\/schema\\\/person\\\/dad6fe34d3ac93cce3720797f132a2e5\"},\"headline\":\"Maladies foliaires\u00a0\u2013 la cercosporiose progresse rapidement\",\"datePublished\":\"2023-08-31T08:56:06+00:00\",\"dateModified\":\"2023-08-31T08:57:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/\"},\"wordCount\":155,\"image\":{\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/MicrosoftTeams-image-2.png\",\"keywords\":[\"Messages\"],\"articleSection\":[\"Betterave\",\"Maladies foliaires\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/\",\"url\":\"https:\\\/\\\/www.irbab-kbivb.be\\\/fr\\\/maladies-foliaires-la-cercosporiose-progresse-rapidement\\\/\",\"name\":\"Maladies foliaires\u00a0\u2013 la cercosporiose progresse rapidement - 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