{"id":23672,"date":"2023-08-24T13:17:21","date_gmt":"2023-08-24T11:17:21","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=23672"},"modified":"2023-08-24T13:17:25","modified_gmt":"2023-08-24T11:17:25","slug":"la-fin-de-la-saison-approche","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/la-fin-de-la-saison-approche\/","title":{"rendered":"La fin de la saison approche"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/697b68a1-f1ec-4765-8970-afdd9b5c57e8.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-23670 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/697b68a1-f1ec-4765-8970-afdd9b5c57e8-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/697b68a1-f1ec-4765-8970-afdd9b5c57e8-300x300.jpg 300w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/697b68a1-f1ec-4765-8970-afdd9b5c57e8-150x150.jpg 150w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2023\/08\/697b68a1-f1ec-4765-8970-afdd9b5c57e8.jpg 672w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>La cercosporiose est observ\u00e9e sur la quasi-totalit\u00e9 des parcelles suivies dans le r\u00e9seau de surveillance et 74% des parcelles ont atteint au minimum le premier seuil pour cette maladie foliaire. L\u2019\u00e9volution la plus significative pour cette semaine se trouve dans\u00a0le nombre de parcelle ayant atteint le deuxi\u00e8me seuil de cercosporiose. Aujourd\u2019hui, 18 parcelles ont atteint le deuxi\u00e8me seuil contre seulement 3 parcelles la semaine derni\u00e8re. Au niveau de l\u2019o\u00efdium et de la rouille, peu de nouveaux seuils ont \u00e9t\u00e9 atteint et le nombre d\u2019observations de ramulariose reste tr\u00e8s faible.<\/p>\n<p>A partir de maintenant, il est 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. Pour rappel, une fois qu\u2019un traitement a \u00e9t\u00e9 appliqu\u00e9, il faut reprendre les observations hebdomadaires apr\u00e8s 3 semaines. Pour r\u00e9aliser celles-ci, observez attentivement 50 feuilles pr\u00e9lev\u00e9es al\u00e9atoirement dans le champ. Ce n&#8217;est que lorsque le seuil est atteint qu&#8217;un traitement est recommand\u00e9.<\/p>\n<p>A partir du 20\/8, de <strong>nouveau seuils<\/strong> sont utilis\u00e9s pour les quatre principales maladies foliaires\u00a0:<\/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>La cercosporiose est observ\u00e9e sur la quasi-totalit\u00e9 des parcelles suivies dans le r\u00e9seau de surveillance et 74% des parcelles ont atteint au minimum le premier seuil pour cette maladie foliaire. L\u2019\u00e9volution la plus significative pour cette semaine se trouve dans\u00a0le nombre de parcelle ayant atteint le deuxi\u00e8me seuil de cercosporiose. Aujourd\u2019hui, 18 parcelles ont atteint [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":23670,"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-23672","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>La fin de la saison approche - 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\/la-fin-de-la-saison-approche\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La fin de la saison approche - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"La cercosporiose est observ\u00e9e sur la quasi-totalit\u00e9 des parcelles suivies dans le r\u00e9seau de surveillance et 74% des parcelles ont atteint au minimum le premier seuil pour cette maladie foliaire. L\u2019\u00e9volution la plus significative pour cette semaine se trouve dans\u00a0le nombre de parcelle ayant atteint le deuxi\u00e8me seuil de cercosporiose. 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