{"id":3637,"date":"2015-08-04T13:06:55","date_gmt":"2015-08-04T13:06:55","guid":{"rendered":"http:\/\/kbivb.mailbox-belgium.com\/fr\/?p=3637"},"modified":"2015-12-02T15:48:56","modified_gmt":"2015-12-02T14:48:56","slug":"carences-en-bore-induites-par-la-secheresse","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/carences-en-bore-induites-par-la-secheresse\/","title":{"rendered":"Carences en bore induites par la s\u00e9cheresse"},"content":{"rendered":"

\"boorgebrek-\"<\/a>Dans de nombreux champs, la s\u00e9cheresse et les chaleurs importantes ont induit une d\u00e9ficience de l’absorption racinaire en bore, micro\u00e9l\u00e9ment indispensable au bon d\u00e9veloppement de la betterave. Il conviendra d’arracher les zones atteintes lors des premiers arrachages et de ne pas conserver ces betteraves malades en tas.<\/strong>
\nOn peut observer actuellement des sympt\u00f4mes importants de jaunissement ou de noircissement et des craquelures sur les anciennes feuilles des plantes atteintes. Ces feuilles sont \u00e9galement tr\u00e8s charnues et plus craquantes. Le coeur de la plante peut avoir repris (nouvelle pousse foliaire) ou est encore fort affect\u00e9, avec des feuilles noir\u00e2tres (sympt\u00f4me physiologique typique de la pourriture du coeur). Le collet des plantes fortement touch\u00e9es pr\u00e9sentes des moisissures secondaires, superficielles ou plus profondes. Les plantes atteintes se situent g\u00e9n\u00e9ralement dans des zones o\u00f9 les \u00e9pandages d’amendements calcaires ont \u00e9t\u00e9 irr\u00e9guliers (d\u00e9marrage des \u00e9pandeurs, zone de recouvrement) ou dans des zones de composition de sol diff\u00e9rentes (bosses argileuses ou sablonneuses). Les zones qui ont \u00e9t\u00e9 trop chaul\u00e9es (\u00e9pandage excessif et pH trop \u00e9lev\u00e9) sont \u00e9galement sujettes actuellement \u00e0 ce sympt\u00f4me. \u00c0 ce stade, aucun traitement ne permet de r\u00e9sorber ce ph\u00e9nom\u00e8ne.<\/p>\n","protected":false},"excerpt":{"rendered":"

Dans de nombreux champs, la s\u00e9cheresse et les chaleurs importantes ont induit une d\u00e9ficience de l’absorption racinaire en bore, micro\u00e9l\u00e9ment indispensable au bon d\u00e9veloppement de la betterave. Il conviendra d’arracher les zones atteintes lors des premiers arrachages et de ne pas conserver ces betteraves malades en tas. On peut observer actuellement des sympt\u00f4mes importants de […]<\/p>\n","protected":false},"author":3,"featured_media":4560,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":4,"footnotes":""},"categories":[203],"tags":[243],"class_list":["post-3637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fertilisation","tag-messages"],"yoast_head":"\nCarences en bore induites par la s\u00e9cheresse - IRBAB-KBIVB<\/title>\n<meta name=\"description\" content=\"Dans de nombreux champs, la s\u00e9cheresse et les chaleurs importantes ont induit une d\u00e9ficience de l\u2019absorption racinaire en bore, micro\u00e9l\u00e9ment indispensable au bon d\u00e9veloppement de la betterave. Il conviendra d\u2019arracher les zones atteintes lors des premiers arrachages et de ne pas conserver ces betteraves malades en tas.\" \/>\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\/carences-en-bore-induites-par-la-secheresse\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carences en bore induites par la s\u00e9cheresse - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Dans de nombreux champs, la s\u00e9cheresse et les chaleurs importantes ont induit une d\u00e9ficience de l\u2019absorption racinaire en bore, micro\u00e9l\u00e9ment indispensable au bon d\u00e9veloppement de la betterave. 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