{"id":21536,"date":"2021-08-06T09:15:39","date_gmt":"2021-08-06T07:15:39","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=21536"},"modified":"2021-08-06T11:59:41","modified_gmt":"2021-08-06T09:59:41","slug":"evolution-de-la-cercosporiose","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/evolution-de-la-cercosporiose\/","title":{"rendered":"Evolution de la cercosporiose"},"content":{"rendered":"\n

\"\"<\/a>Le nombre de parcelles o\u00f9 le seuil de traitement de 5% de feuilles touch\u00e9es par la cercosporiose a consid\u00e9rablement augment\u00e9 par rapport \u00e0 la semaine pass\u00e9e. Le nombre de champs o\u00f9 des sympt\u00f4mes de rouille sont observ\u00e9s a \u00e9galement augment\u00e9. Toutefois, seulement une seule parcelle a atteint le seuil de traitement pour la rouille. Tout comme la semaine pr\u00e9c\u00e9dente, tr\u00e8s peu de sympt\u00f4mes d\u2019o\u00efdium sont observ\u00e9s.<\/p>\n

Des observations ont \u00e9t\u00e9 r\u00e9alis\u00e9es dans 96 parcelles cette semaine.\u00a0Le seuil de traitement pour la cercosporiose a \u00e9t\u00e9 atteint dans 47 parcelles. Une seule parcelle a atteint le seuil de traitement pour la rouille. Suivez l\u2019\u00e9volution des maladies foliaires en betterave via la carte<\/a>.<\/p>\n

Si vous n\u2019avez pas encore r\u00e9alis\u00e9 de traitement fongicide, nous vous recommandons d\u2019effectuer des observations dans vos parcelles et de traiter d\u00e8s que le seuil de traitement pour une des maladies est atteint.<\/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":"

Le nombre de parcelles o\u00f9 le seuil de traitement de 5% de feuilles touch\u00e9es par la cercosporiose a consid\u00e9rablement augment\u00e9 par rapport \u00e0 la semaine pass\u00e9e. Le nombre de champs o\u00f9 des sympt\u00f4mes de rouille sont observ\u00e9s a \u00e9galement augment\u00e9. Toutefois, seulement une seule parcelle a atteint le seuil de traitement pour la rouille. Tout […]<\/p>\n","protected":false},"author":4,"featured_media":14870,"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-21536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","category-maladies-foliaires","tag-messages"],"yoast_head":"\nEvolution 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\/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=\"Evolution de la cercosporiose - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Le nombre de parcelles o\u00f9 le seuil de traitement de 5% de feuilles touch\u00e9es par la cercosporiose a consid\u00e9rablement augment\u00e9 par rapport \u00e0 la semaine pass\u00e9e. Le nombre de champs o\u00f9 des sympt\u00f4mes de rouille sont observ\u00e9s a \u00e9galement augment\u00e9. Toutefois, seulement une seule parcelle a atteint le seuil de traitement pour la rouille. 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