{"id":1399,"date":"2005-06-13T15:00:00","date_gmt":"2005-06-13T15:00:00","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/"},"modified":"2012-08-27T09:45:02","modified_gmt":"2012-08-27T09:45:02","slug":"les-maladies-de","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/","title":{"rendered":"les maladies des plantes de balcon"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/heliotrope599_web_web.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"137\" alt=\"Heliotrope599_web_web\" src=\"http:\/\/www.leblogjardin.com\/images\/heliotrope599_web_web.jpg\" width=\"200\"  \/><\/a> On pourrait penser que bien \u00e0 l&rsquo;abri sur <a href=\"http:\/\/www.leblogjardin.com\/2005\/04\/fleurir_un_balc.html\">les terrasses<\/a> ou les<a href=\"http:\/\/www.leblogjardin.com\/2005\/04\/fleurir_un_balc_1.html\"> balcons<\/a>, les plantes en pots ne courent aucun risque! pourtant elles ne sont pas plus \u00e9pargn\u00e9es que leurs voisines de pleine terre. A cela plusieurs raisons, tout d&rsquo;abord une terre vite dess\u00e9ch\u00e9e, des substrats trop l\u00e9gers qui demandent \u00e0 \u00eatre fertilis\u00e9s r\u00e9guli\u00e8rement, une r\u00e9verb\u00e9ration importante des murs; ajoutez \u00e0 cela un manque d&rsquo;autonomie, qui \u00e0 la moindre de nos n\u00e9gligences, c\u00e8de la place au cort\u00e8ge habituel des maladies et autres parasites. Il est certain qu&rsquo;une plante assoiff\u00e9e et mal nourrie sera plus sensible.<\/p>\n<p>Surveillez donc, en premier lieu, le feuillage; des \u00e9coulements de miellat, un toucher collant, et des colonies de petits insectes noirs ou verts, signent une <a href=\"http:\/\/www.leblogjardin.com\/2005\/03\/traitements_bio.html\">attaque de pucerons<\/a>. Traitez avec des huiles blanches ou jaunes.<\/p>\n<p>Des feuilles d\u00e9coup\u00e9es et trou\u00e9es, il s&rsquo;agit s\u00fbrement des noctuelles, chenilles verd\u00e2tres qui travaillent de nuit; \u00e9pandez des granul\u00e9s insecticides au pied des plantes attaqu\u00e9es.<\/p>\n<p>Un feutrage blanc recouvre les tiges et les feuilles, accusez l&rsquo;o\u00efdium, et traitez avec un fongicide \u00e0 base de souffre.<\/p>\n<p>Le dess\u00e8chement brusque des tiges et des feuilles et un feutrage gris\u00e2tre sur les parties atteintes, il s&rsquo;agit du botrytis qui se d\u00e9veloppe dans les ambiances confin\u00e9es; a\u00e9rez vos plantations et traitez avec un &quot;anti-pourriture&quot; comme la <a href=\"http:\/\/www.leblogjardin.com\/2005\/05\/travaux_de_mai.html\">bouillie bordelaise<\/a>.<\/p>\n<p>Des taches jaunes, et un dess\u00e8chement des feuilles, surtout sur le g\u00e9ranium, c&rsquo;est la<a href=\"http:\/\/www.leblogjardin.com\/2005\/05\/les_rosiers_de_.html\"> rouille<\/a>; utilisez un produit type &quot;maladies des rosiers&quot;.<\/p>\n<p>Sur des plantes manquant d&rsquo;eau, ou dans une atmosph\u00e8re trop s\u00e8che, des amas cotonneux recouvrent des petits insectes, les cochenilles farineuses. A traiter comme les pucerons avec des huiles blanches ou jaunes.<\/p>\n<p>Une d\u00e9coloration ou un jaunissement des feuilles sur lesquelles on peut apercevoir de fines toiles, il s&rsquo;agit des acariens tisserands; on observe ces attaques surtout sur des plantes expos\u00e9es en plein soleil.<\/p>\n<p>Avant tout traitement, commencez par ramasser et br\u00fbler toutes les feuilles atteintes; ensuite ne traitez pas vos plantes en plein soleil, ni avant la pluie qui lessiverait tout. Une temp\u00e9rature entre 8 et 12\u00b0C rend le traitement plus efficace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On pourrait penser que bien \u00e0 l&rsquo;abri sur les terrasses ou les balcons, les plantes en pots ne courent aucun risque! pourtant elles ne sont pas plus \u00e9pargn\u00e9es que leurs voisines de pleine terre. A cela plusieurs raisons, tout d&rsquo;abord une terre vite dess\u00e9ch\u00e9e, des substrats trop l\u00e9gers qui demandent \u00e0 \u00eatre fertilis\u00e9s r\u00e9guli\u00e8rement, une [&hellip;]<\/p>\n","protected":false},"author":358,"featured_media":1940,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,13],"tags":[],"class_list":["post-1399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fleurs","category-plantes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>les maladies des plantes de balcon - Le blog jardin<\/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:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"les maladies des plantes de balcon - Le blog jardin\" \/>\n<meta property=\"og:description\" content=\"On pourrait penser que bien \u00e0 l&rsquo;abri sur les terrasses ou les balcons, les plantes en pots ne courent aucun risque! pourtant elles ne sont pas plus \u00e9pargn\u00e9es que leurs voisines de pleine terre. A cela plusieurs raisons, tout d&rsquo;abord une terre vite dess\u00e9ch\u00e9e, des substrats trop l\u00e9gers qui demandent \u00e0 \u00eatre fertilis\u00e9s r\u00e9guli\u00e8rement, une [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/\" \/>\n<meta property=\"og:site_name\" content=\"Le blog jardin\" \/>\n<meta property=\"article:published_time\" content=\"2005-06-13T15:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-08-27T09:45:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/heliotrope599_web_web.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"439\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"christine pomart\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"christine pomart\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/\",\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2005\/06\/13\/les-maladies-de\/\",\"name\":\"les maladies des plantes de balcon - 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