{"id":14013,"date":"2019-04-26T14:37:35","date_gmt":"2019-04-26T12:37:35","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=14013"},"modified":"2019-04-26T14:37:37","modified_gmt":"2019-04-26T12:37:37","slug":"presence-de-pucerons-noirs-que-faire","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/presence-de-pucerons-noirs-que-faire\/","title":{"rendered":"Pr\u00e9sence de pucerons noirs, que faire\u2026 ?"},"content":{"rendered":"<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-14011 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-300x169.jpg 300w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-768x432.jpg 768w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-1024x576.jpg 1024w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-810x455.jpg 810w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108-1140x641.jpg 1140w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/20190424_103108.jpg 1195w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>La pr\u00e9sence de pucerons noirs est signal\u00e9e un peu partout en Belgique. Ils ne sont pas pr\u00e9sents dans toutes les parcelles. \u00a0Le vent et la pluie ne devraient pas favoriser les vols et leur d\u00e9veloppement dans les prochains jours. Les feuilles s\u2019enroulent et se frisent \u00e0 cause des d\u00e9g\u00e2ts de succion qui sont rarement significatifs. Ces pucerons sont de tr\u00e8s mauvais vecteurs de jaunisse.<\/p>\n<p>Le seuil de traitement est de 30 \u00e0 50% des plantes avec des colonies, ce qui n\u2019a pas encore \u00e9t\u00e9 constat\u00e9 dans les champs suivis. Le co\u00fbt d\u2019un traitement insecticide ne sera que tr\u00e8s rarement regagn\u00e9 par une augmentation de rendement des betteraves. \u00a0Les betteraves dont l\u2019enrobage contient des n\u00e9onicotino\u00efdes sont encore prot\u00e9g\u00e9es.<\/p>\n<p>En cas de n\u00e9cessit\u00e9, choisissez un produit s\u00e9lectif sans pyr\u00e9thrino\u00efde ou dim\u00e9thoate pour pr\u00e9server les insectes utiles, essentiels pour lutter contre les pucerons.<\/p>\n<p>Pour plus d\u2019informations, consultez <a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2019\/04\/Memo-insectes.pdf\">Insectes Memo 2019<\/a>.<\/p>\n<p><a href=\"https:\/\/www.irbab-kbivb.be\/fr\/betteraves\/protection-des-plantes\/produits-phytosanitaires\/\">La liste des insecticides agr\u00e9\u00e9s<\/a> en Belgique est disponible sur le site Internet de l\u2019Institut.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La pr\u00e9sence de pucerons noirs est signal\u00e9e un peu partout en Belgique. Ils ne sont pas pr\u00e9sents dans toutes les parcelles. \u00a0Le vent et la pluie ne devraient pas favoriser les vols et leur d\u00e9veloppement dans les prochains jours. Les feuilles s\u2019enroulent et se frisent \u00e0 cause des d\u00e9g\u00e2ts de succion qui sont rarement significatifs. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14011,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":4,"footnotes":""},"categories":[2,222],"tags":[243],"class_list":["post-14013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","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>Pr\u00e9sence de pucerons noirs, que faire\u2026 ? - 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\/presence-de-pucerons-noirs-que-faire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pr\u00e9sence de pucerons noirs, que faire\u2026 ? - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"La pr\u00e9sence de pucerons noirs est signal\u00e9e un peu partout en Belgique. Ils ne sont pas pr\u00e9sents dans toutes les parcelles. \u00a0Le vent et la pluie ne devraient pas favoriser les vols et leur d\u00e9veloppement dans les prochains jours. Les feuilles s\u2019enroulent et se frisent \u00e0 cause des d\u00e9g\u00e2ts de succion qui sont rarement significatifs. 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