{"id":3253,"date":"2015-05-19T13:58:54","date_gmt":"2015-05-19T13:58:54","guid":{"rendered":"http:\/\/kbivb.mailbox-belgium.com\/fr\/?p=3253"},"modified":"2015-12-03T12:31:41","modified_gmt":"2015-12-03T11:31:41","slug":"premiers-pucerons-verts-et-noirs","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/premiers-pucerons-verts-et-noirs\/","title":{"rendered":"Premiers pucerons verts et noirs"},"content":{"rendered":"<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis.png\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-4662 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis-300x211.png\" alt=\"zwarte bladluis\" width=\"300\" height=\"211\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis-300x211.png 300w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis.png 1024w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis-150x105.png 150w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2015\/05\/zwarte-bladluis-810x570.png 810w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><strong>Champs avec traitement de semences : ne rien faire. <\/strong><br \/>\n<strong>Champs non trait\u00e9s au semis : aller voir et identifier correctement les pucerons pr\u00e9sents !<\/strong><br \/>\nLes tout premiers pucerons verts ont \u00e9t\u00e9 signal\u00e9s au cours de la semaine \u00e9coul\u00e9e (semaine 19 : 11\/05 &#8211; 18\/05). Pour les quelques rares <span style=\"text-decoration: underline;\"><strong>champs non trait\u00e9s au semis<\/strong><\/span>, il convient d&rsquo;\u00eatre particuli\u00e8rement attentif et de v\u00e9rifier la pr\u00e9sence de ces pucerons verts. Certaines de ces esp\u00e8ces peuvent transmettre la jaunisse virale qui entra\u00eene alors de lourdes pertes de rendements si les populations de pucerons verts ne sont pas combattues \u00e0 temps. Dans ces champs, le seuil de traitement contre les pucerons verts est de 2 pucerons verts apt\u00e8res\/10 plantes. Un ou plusieurs rappels de traitement doivent \u00eatre envisag\u00e9s ensuite selon l&rsquo;\u00e9volution des populations de pucerons.<br \/>\nDes petites colonies de quelques pucerons noirs sont observ\u00e9es depuis deux semaines environ dans quelques champs d&rsquo;observations de l&rsquo;IRBAB. Ces colonies disparaissent apr\u00e8s quelque temps suite \u00e0 l&rsquo;action de l&rsquo;insecticide pr\u00e9sent dans l&rsquo;enrobage des graines.<br \/>\nLa pr\u00e9sence d&rsquo;insectes auxiliaires (coccinelles, chrysopes, micro hym\u00e9nopt\u00e8res&#8230;) est \u00e9galement signal\u00e9e, ce qui limite \u00e9galement le d\u00e9veloppement de ces populations de pucerons.<br \/>\n<strong>Les semis r\u00e9alis\u00e9s avec des graines trait\u00e9es Poncho Beta ou Cruiser&amp;Force ne doivent pas \u00eatre trait\u00e9s contre ces insectes.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Champs avec traitement de semences : ne rien faire. Champs non trait\u00e9s au semis : aller voir et identifier correctement les pucerons pr\u00e9sents ! Les tout premiers pucerons verts ont \u00e9t\u00e9 signal\u00e9s au cours de la semaine \u00e9coul\u00e9e (semaine 19 : 11\/05 &#8211; 18\/05). Pour les quelques rares champs non trait\u00e9s au semis, il convient [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4662,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":2,"footnotes":""},"categories":[222],"tags":[243],"class_list":["post-3253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","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>Premiers pucerons verts et noirs - IRBAB-KBIVB<\/title>\n<meta name=\"description\" content=\"Champs avec traitement de semences : ne rien faire. Champs non trait\u00e9s au semis : aller voir et identifier correctement les pucerons pr\u00e9sents !\" \/>\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\/premiers-pucerons-verts-et-noirs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Premiers pucerons verts et noirs - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Champs avec traitement de semences : ne rien faire. 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