{"id":7354,"date":"2016-04-19T16:30:52","date_gmt":"2016-04-19T14:30:52","guid":{"rendered":"http:\/\/www.irbab-kbivb.be\/fr\/?p=7354"},"modified":"2016-04-19T16:30:52","modified_gmt":"2016-04-19T14:30:52","slug":"degats-larves-tipules-signales","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/degats-larves-tipules-signales\/","title":{"rendered":"D\u00e9g\u00e2ts de larves de tipules signal\u00e9s"},"content":{"rendered":"<p><a href=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten.png\" rel=\"attachment wp-att-7352\"><img loading=\"lazy\" decoding=\"async\" class=\"rounded alignleft wp-image-7352 size-medium\" src=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten-300x211.png\" alt=\"emelten\" width=\"300\" height=\"211\" srcset=\"https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten-300x211.png 300w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten-768x540.png 768w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten.png 1024w, https:\/\/www.irbab-kbivb.be\/wp-content\/uploads\/2016\/04\/emelten-810x570.png 810w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Des d\u00e9g\u00e2ts de larves de tipules sont signal\u00e9s dans diff\u00e9rentes parcelles principalement en non-labour mais parfois aussi sous labour. Aucun traitement de lutte chimique contre les larves de tipules n&rsquo;est agr\u00e9\u00e9 en betteraves apr\u00e8s le semis.<br \/>\nLes conditions climatiques humides et relativement froides sont favorables aux attaques de larves de tipules mais aussi aux limaces. Par ailleurs, des d\u00e9g\u00e2ts de mulots et d&rsquo;oiseaux sont toujours signal\u00e9s.<br \/>\nDans des essais men\u00e9s en 2012-2013, il a \u00e9t\u00e9 mis en \u00e9vidence, qu&rsquo;en pr\u00e9sence d&rsquo;une forte pression de larves de tipules (allant de 40 \u00e0 100 larves de tipules\/m\u00b2), le Poncho Beta et Cruiser Force pr\u00e9sents dans l&rsquo;enrobage des semences ont une efficacit\u00e9 partielle. Cette efficacit\u00e9 avait permis, dans les essais, le maintien d&rsquo;un nombre suffisant de plantes\/ha et donc de ne pas compromettre le rendement.<br \/>\n<u>Sympt\u00f4mes<\/u>: les d\u00e9g\u00e2ts du type morsures aux plantules peuvent se confondre avec ceux caus\u00e9s par des limaces (cotyl\u00e9dons et feuilles arrach\u00e9es, sectionn\u00e9es, mang\u00e9es). Contrairement \u00e0 la limace, les larves de tipules peuvent tirer des plantules dans le sol.<br \/>\n<u>Facteurs favorables<\/u>: prairie retourn\u00e9e, pr\u00e9c\u00e9dent engrais verts avec gramin\u00e9es, temps frais et humide, sol riche en humus et bien a\u00e9r\u00e9, terre en non-labour.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des d\u00e9g\u00e2ts de larves de tipules sont signal\u00e9s dans diff\u00e9rentes parcelles principalement en non-labour mais parfois aussi sous labour. Aucun traitement de lutte chimique contre les larves de tipules n&rsquo;est agr\u00e9\u00e9 en betteraves apr\u00e8s le semis. Les conditions climatiques humides et relativement froides sont favorables aux attaques de larves de tipules mais aussi aux limaces. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":42,"footnotes":""},"categories":[222],"tags":[243],"class_list":["post-7354","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>D\u00e9g\u00e2ts de larves de tipules signal\u00e9s - 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\/degats-larves-tipules-signales\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9g\u00e2ts de larves de tipules signal\u00e9s - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Des d\u00e9g\u00e2ts de larves de tipules sont signal\u00e9s dans diff\u00e9rentes parcelles principalement en non-labour mais parfois aussi sous labour. Aucun traitement de lutte chimique contre les larves de tipules n&rsquo;est agr\u00e9\u00e9 en betteraves apr\u00e8s le semis. Les conditions climatiques humides et relativement froides sont favorables aux attaques de larves de tipules mais aussi aux limaces. 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