{"id":25659,"date":"2024-08-29T15:38:59","date_gmt":"2024-08-29T13:38:59","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=25659"},"modified":"2024-08-29T16:51:30","modified_gmt":"2024-08-29T14:51:30","slug":"maladie-foliaire","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/maladie-foliaire\/","title":{"rendered":"Maladies foliaires\u00a0: 2\u00e8mes et 3\u00e8mes seuils de traitement"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2024\/08\/Modif.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-25656 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2024\/08\/Modif-197x300.jpg\" alt=\"\" width=\"197\" height=\"300\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2024\/08\/Modif-197x300.jpg 197w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2024\/08\/Modif.jpg 672w\" sizes=\"auto, (max-width: 197px) 100vw, 197px\" \/><\/a>La cercosporiose continue \u00e0 se d\u00e9velopper avec, par endroits, des tr\u00e8s fortes pressions. Cette semaine, nous avons pr\u00e8s de 40% des parcelles qui ont atteint le T2 et un peu plus de 25% qui ont atteint le T3. Les recommandations pour un 3<sup>\u00e8me<\/sup> traitement sont maintenant observ\u00e9es dans l\u2019ensemble des r\u00e9gions.<\/p>\n<p>Les conditions actuelles restent favorables au d\u00e9veloppement de la cercosporiose avec de la ros\u00e9e matinale et des fortes chaleurs. Pour les parcelles qui ont \u00e9t\u00e9 trait\u00e9es il y a plus de 2 semaines, la protection fongicide peut avoir diminu\u00e9. Des observations sont donc \u00e0 nouveau recommand\u00e9es pour \u00e9viter une extension de la cercosporiose.<\/p>\n<p>La suite des traitements peut s\u2019envisager en fonction de la date d\u2019arrachage et de la tol\u00e9rance de la vari\u00e9t\u00e9 sem\u00e9e. Il faut \u00e9galement veiller \u00e0 respecter le nombre d\u2019applications de chaque produit autoris\u00e9. Un traitement a moins de 45 jours des arrachages est rarement rentabilis\u00e9, surtout si les feuilles de betteraves sont d\u00e9j\u00e0 fortement atteintes par de la cercosporiose.<\/p>\n<p>Vous pouvez suivre l&#8217;\u00e9volution des maladies foliaires via la carte.<\/p>\n<p><strong>Lien vers la carte ; Maladies foliaires :<\/strong> <a href=\"https:\/\/www.irbab-kbivb.be\/fr\/cartographie-champs-dobservations\/juillet-aout-2024-problemes-sanitaires-signales-en-culture-betteraves\/\">juillet-ao\u00fbt 2024 : carte &#8220;observations des maladies foliaires&#8221; (betteraves)<\/a><\/p>\n<p>Vous pouvez \u00e9galement retrouver la liste des fongicides agr\u00e9\u00e9s en culture de betteraves sucri\u00e8res <a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2024\/08\/Erkende-fungiciden-biet-FR-2024.pdf\">sur notre site<\/a><u>.<\/u><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La cercosporiose continue \u00e0 se d\u00e9velopper avec, par endroits, des tr\u00e8s fortes pressions. Cette semaine, nous avons pr\u00e8s de 40% des parcelles qui ont atteint le T2 et un peu plus de 25% qui ont atteint le T3. Les recommandations pour un 3\u00e8me traitement sont maintenant observ\u00e9es dans l\u2019ensemble des r\u00e9gions. Les conditions actuelles restent [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":25656,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":1,"footnotes":""},"categories":[2,221],"tags":[243],"class_list":["post-25659","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: 2\u00e8mes et 3\u00e8mes seuils de traitement - 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\/maladie-foliaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maladies foliaires\u00a0: 2\u00e8mes et 3\u00e8mes seuils de traitement - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"La cercosporiose continue \u00e0 se d\u00e9velopper avec, par endroits, des tr\u00e8s fortes pressions. Cette semaine, nous avons pr\u00e8s de 40% des parcelles qui ont atteint le T2 et un peu plus de 25% qui ont atteint le T3. Les recommandations pour un 3\u00e8me traitement sont maintenant observ\u00e9es dans l\u2019ensemble des r\u00e9gions. 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