{"id":27476,"date":"2026-03-06T10:04:51","date_gmt":"2026-03-06T09:04:51","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=27476"},"modified":"2026-03-06T15:54:47","modified_gmt":"2026-03-06T14:54:47","slug":"jaunisse-virale-destruction-des-reservoirs","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/jaunisse-virale-destruction-des-reservoirs\/","title":{"rendered":"Jaunisse virale\u00a0: destruction des r\u00e9servoirs"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2026\/03\/bericht-2615.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-27472\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2026\/03\/bericht-2615.jpg\" alt=\"\" width=\"1075\" height=\"605\"><\/a><\/p>\n\n\n\n<p>L\u2019hiver relativement doux a \u00e9t\u00e9 favorable \u00e0 la survie tant des pucerons que les plantes r\u00e9servoirs de viroses et de pucerons. Les plus grands r\u00e9servoirs sont les betteraves rest\u00e9es au champ, les repousses dans les cordons de d\u00e9terrage mais \u00e9galement dans les champs de c\u00e9r\u00e9ales. Afin de casser le cycle de r\u00e9infection des champs de betteraves qui seront sem\u00e9s prochainement, il est indispensable d\u2019\u00e9liminer au plus vite ces r\u00e9servoirs potentiels:<\/p>\n<ul>\n<li>Les cordons de d\u00e9terrage sur les places de chargement\u00a0: enfouir profond\u00e9ment les betteraves et les collets restant. L\u2019enfouissement est important tant pour lutter contre les jaunisses virales que contre la cercosporiose\u00a0;<\/li>\n<li>Pour les repousses de betteraves dans les c\u00e9r\u00e9ales\u00a0: destruction par application d\u2019herbicides dicotyl\u00e9es. Attention\u00a0: pour les parcelles ayant \u00e9t\u00e9 cultiv\u00e9es avec des vari\u00e9t\u00e9s Smart, utilisez un mode d\u2019action autre que le type \u2018ALS\u2019 (Starane Forte, \u2026.)\u00a0!<\/li>\n<\/ul>\n<p>Dans les parcelles devant recevoir les betteraves, l\u2019\u00e9limination de r\u00e9servoirs potentiels est \u00e9galement indispensable\u00a0: e.a. phac\u00e9lie et matricaire comme r\u00e9servoir de virus et de pucerons, moutarde comme r\u00e9servoir de pucerons. Ceux-ci doivent \u00eatre \u00e9limin\u00e9s le plus rapidement par un traitement m\u00e9canique ou un traitement glyphosate (application\u00a0: terres agricoles en interculture).<\/p>\n<p>V\u00e9rifiez toujours les usages des produits sur Phytoweb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019hiver relativement doux a \u00e9t\u00e9 favorable \u00e0 la survie tant des pucerons que les plantes r\u00e9servoirs de viroses et de pucerons. Les plus grands r\u00e9servoirs sont les betteraves rest\u00e9es au champ, les repousses dans les cordons de d\u00e9terrage mais \u00e9galement dans les champs de c\u00e9r\u00e9ales. Afin de casser le cycle de r\u00e9infection des champs de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":27472,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":21,"footnotes":""},"categories":[2,206,142,129,222],"tags":[243],"class_list":["post-27476","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","category-developpement-cultural","category-plante","category-protection-des-plantes","category-ravageurs","tag-messages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jaunisse virale\u00a0: destruction des r\u00e9servoirs - 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\/jaunisse-virale-destruction-des-reservoirs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jaunisse virale\u00a0: destruction des r\u00e9servoirs - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"L\u2019hiver relativement doux a \u00e9t\u00e9 favorable \u00e0 la survie tant des pucerons que les plantes r\u00e9servoirs de viroses et de pucerons. Les plus grands r\u00e9servoirs sont les betteraves rest\u00e9es au champ, les repousses dans les cordons de d\u00e9terrage mais \u00e9galement dans les champs de c\u00e9r\u00e9ales. 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