{"id":21568,"date":"2021-08-12T13:41:46","date_gmt":"2021-08-12T11:41:46","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=21568"},"modified":"2021-08-12T13:41:48","modified_gmt":"2021-08-12T11:41:48","slug":"forte-evolution-de-la-cercosporiose","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/forte-evolution-de-la-cercosporiose\/","title":{"rendered":"Forte \u00e9volution de la cercosporiose"},"content":{"rendered":"\n

\"\"<\/a>Suite \u00e0 la forte \u00e9volution du nombre de parcelles ayant atteint le seuil de traitement de 5% de feuilles par la cercosporiose, beaucoup de parcelles ont \u00e9t\u00e9 trait\u00e9es pour la premi\u00e8re fois au cours de la semaine \u00e9coul\u00e9e. Il reste important de r\u00e9aliser des observations et de traiter d\u00e8s que le seuil pour la cercosporiose est atteint. Jusqu\u2019au 20 ao\u00fbt, le seuil est de 5% de feuilles atteintes.<\/p>\n

87 parcelles ont \u00e9t\u00e9 observ\u00e9es cette semaine, dont 53 ont atteint le seuil de traitement pour la cercosporiose. Dans 5 parcelles, le seuil de traitement a \u00e9t\u00e9 atteint pour la ramulariose et dans deux parcelles pour la rouille. Aucune parcelle n\u2019a atteint le seuil de traitement pour l\u2019o\u00efdium. Suivez l\u2019\u00e9volution des maladies foliaires en betterave via la carte<\/a>.<\/p>\n

Il est recommand\u00e9 d\u2019observer attentivement la pr\u00e9sence des maladies sur 100 feuilles, pr\u00e9lev\u00e9es \u00e0 travers la parcelle, et de traiter d\u00e8s que le seuil de traitement pour une des quatre maladies est atteint<\/strong>. Les seuils de traitement pour les diff\u00e9rentes maladies sont repris ci-dessous. Une feuille est consid\u00e9r\u00e9e comme atteinte si au moins une tache est observ\u00e9e sur la feuille.<\/p>\n\n\n\n\n\n
\n

Maladie<\/strong><\/p>\n<\/td>\n

\n

Seuil de traitement (jusqu\u2019au 20 ao\u00fbt)<\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

Cercosporiose<\/p>\n

Ramulariose<\/p>\n<\/td>\n

\n

5% feuilles touch\u00e9es<\/p>\n<\/td>\n<\/tr>\n

\n

O\u00efdium<\/p>\n

Rouille<\/p>\n<\/td>\n

\n

15% feuilles touch\u00e9es<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Suite \u00e0 la forte \u00e9volution du nombre de parcelles ayant atteint le seuil de traitement de 5% de feuilles par la cercosporiose, beaucoup de parcelles ont \u00e9t\u00e9 trait\u00e9es pour la premi\u00e8re fois au cours de la semaine \u00e9coul\u00e9e. Il reste important de r\u00e9aliser des observations et de traiter d\u00e8s que le seuil pour la cercosporiose […]<\/p>\n","protected":false},"author":3,"featured_media":21566,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":2,"footnotes":""},"categories":[2,221],"tags":[243],"class_list":["post-21568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","category-maladies-foliaires","tag-messages"],"yoast_head":"\nForte \u00e9volution de la cercosporiose - 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\/forte-evolution-de-la-cercosporiose\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Forte \u00e9volution de la cercosporiose - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Suite \u00e0 la forte \u00e9volution du nombre de parcelles ayant atteint le seuil de traitement de 5% de feuilles par la cercosporiose, beaucoup de parcelles ont \u00e9t\u00e9 trait\u00e9es pour la premi\u00e8re fois au cours de la semaine \u00e9coul\u00e9e. 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