{"id":22710,"date":"2022-08-11T15:55:44","date_gmt":"2022-08-11T13:55:44","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=22710"},"modified":"2022-08-11T15:55:48","modified_gmt":"2022-08-11T13:55:48","slug":"les-maladies-foliaires-toujours-presentes","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/les-maladies-foliaires-toujours-presentes\/","title":{"rendered":"Les maladies foliaires toujours pr\u00e9sentes"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2022\/08\/20220810_112657.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-22708 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2022\/08\/20220810_112657-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2022\/08\/20220810_112657-225x300.jpg 225w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2022\/08\/20220810_112657.jpg 504w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a>Moins d\u2019observations ont \u00e9t\u00e9 r\u00e9alis\u00e9es cette semaine car certains champs du service d\u2019avertissement ont \u00e9t\u00e9 trait\u00e9s lors des deux semaines pr\u00e9c\u00e9dentes. La rouille et le cercosporiose ont \u00e9t\u00e9 observ\u00e9es fr\u00e9quemment cette semaine, suivies par l\u2019o\u00efdium et, dans une moindre mesure, la ramulariose. 55% des champs ont atteint le seuil pour la cercosporiose cette semaine.<\/p>\n<p>Nous vous conseillons de r\u00e9aliser des observations avant d\u2019effectuer un traitement. Pour ce faire, contr\u00f4lez la pr\u00e9sence de maladies foliaires en observant attentivement 50 feuilles pr\u00e9lev\u00e9es al\u00e9atoirement dans le champ. Les seuils de traitement pour les quatre principales maladies sont:<\/p>\n<p><strong>Cercosporiose ou Ramulariose : 5% feuilles atteintes ;<\/strong><\/p>\n<p><strong>O\u00efdium ou rouille : 15% feuilles atteintes.<\/strong><\/p>\n<p>Si vous avez d\u00e9j\u00e0 r\u00e9alis\u00e9 un traitement, il est important de recommencer les observations apr\u00e8s trois semaines car le produit n\u2019est plus r\u00e9manent apr\u00e8s cette p\u00e9riode. L\u2019observation prendra en compte les taches et pustules vivantes. Concernant la cercosporiose, les taches vivantes pr\u00e9sentent des points noirs avec un feutrage blanc.<\/p>\n<p>Vous pouvez suivre l&#8217;\u00e9volution des maladies foliaires via <a href=\"https:\/\/www.irbab-kbivb.be\/fr\/cartographie-champs-dobservations\/juillet-aout-2022-problemes-sanitaires-signales-en-culture-betteraves\/\">la carte<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Moins d\u2019observations ont \u00e9t\u00e9 r\u00e9alis\u00e9es cette semaine car certains champs du service d\u2019avertissement ont \u00e9t\u00e9 trait\u00e9s lors des deux semaines pr\u00e9c\u00e9dentes. La rouille et le cercosporiose ont \u00e9t\u00e9 observ\u00e9es fr\u00e9quemment cette semaine, suivies par l\u2019o\u00efdium et, dans une moindre mesure, la ramulariose. 55% des champs ont atteint le seuil pour la cercosporiose cette semaine. Nous [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":22708,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":0,"footnotes":""},"categories":[2,221],"tags":[243],"class_list":["post-22710","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>Les maladies foliaires toujours pr\u00e9sentes - 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\/les-maladies-foliaires-toujours-presentes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les maladies foliaires toujours pr\u00e9sentes - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Moins d\u2019observations ont \u00e9t\u00e9 r\u00e9alis\u00e9es cette semaine car certains champs du service d\u2019avertissement ont \u00e9t\u00e9 trait\u00e9s lors des deux semaines pr\u00e9c\u00e9dentes. La rouille et le cercosporiose ont \u00e9t\u00e9 observ\u00e9es fr\u00e9quemment cette semaine, suivies par l\u2019o\u00efdium et, dans une moindre mesure, la ramulariose. 55% des champs ont atteint le seuil pour la cercosporiose cette semaine. 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