{"id":26297,"date":"2023-07-17T17:53:09","date_gmt":"2023-07-17T15:53:09","guid":{"rendered":"https:\/\/profert.dz\/fr\/?post_type=avada_portfolio&p=26297"},"modified":"2023-12-12T10:41:14","modified_gmt":"2023-12-12T09:41:14","slug":"chenopode-blanc-2","status":"publish","type":"avada_portfolio","link":"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/chenopode-blanc-2\/","title":{"rendered":"Ch\u00e9nopode blanc"},"content":{"rendered":"

Ch\u00e9nopode blanc<\/h2>\n

Le ch\u00e9nopode blanc, Chenopodium album<\/em>, est une annuelle dicotyl\u00e9done de la famille des Ch\u00e9nopodiac\u00e9es.
\nLe ch\u00e9nopode blanc est l\u2019adventice la plus r\u00e9pandue dans de nombreuses cultures, comme le ma\u00efs.<\/p>\n<\/div>

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<\/i><\/i><\/span>Biologie <\/span><\/a><\/h4><\/div>
\n

Le ch\u00e9nopode blanc\u00a0est vert clair ou vert bleut\u00e9, il poss\u00e8de une longue tige dress\u00e9e et ramifi\u00e9e qui peut atteindre 1.5 m de hauteur. Ses feuilles sont simples, oppos\u00e9es, ovales \u00e0 triangulaires, irr\u00e9guli\u00e8rement dent\u00e9es.<\/p>\n

La germination du ch\u00e9nopode blanc a lieu de mars \u00e0 septembre, d\u00e8s que la temp\u00e9rature atteint les 13\u00b0C et que la luminosit\u00e9 soit suffisante.<\/p>\n

Avec une lev\u00e9e \u00e9chelonn\u00e9e, le ch\u00e9nopode blanc germe dans les 4 premiers centim\u00e8tres du sol, mais la germination est possible \u00e0 5 cm. Il poss\u00e8de une racine pivotante profonde.<\/p>\n

La p\u00e9riode de floraison s’\u00e9tend de juin \u00e0 octobre et la p\u00e9riode de maturit\u00e9 d\u2019aout \u00e0 novembre. Son fruit est un ak\u00e8ne qui contient un seul grain.<\/p>\n

Le ch\u00e9nopode blanc\u00a0ne se multiplie pas du tout par reproduction v\u00e9g\u00e9tative, il se reproduit que par ses graines.<\/p>\n

Le ch\u00e9nopode blanc\u00a0est m\u00e9sophile (il ne tol\u00e8re que les temp\u00e9ratures mod\u00e9r\u00e9es) et nitrophile (il se d\u00e9veloppe pr\u00e9f\u00e9rentiellement sur les sols riches en nitrate)<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>Strat\u00e9gie de lutte<\/span><\/a><\/h4><\/div>
\n

Lutte prophylactique et culturale\u00a0:<\/strong>
\n– Les faux semis.
\n– Utiliser le labour et le travail du sol comme moyen pour diminuer le stock de semences du sol.
\n– Raisonnement de la fertilisation\u00a0:\u00a0 \u00e9viter l’exc\u00e8s d\u2019azote.<\/p>\n

Lutte m\u00e9canique\u00a0:<\/strong>
\nOutils de sarclage au stade plantule.<\/p>\n

Lutte chimique\u00a0:<\/strong>
\nPour lutter contre le ch\u00e9nopode blanc, la lutte chimique au moyen d\u2019herbicides adapt\u00e9s est la m\u00e9thode la plus efficace.<\/p>\n

Profert pr\u00e9conise Prowl\u00ae<\/sup> Aqua<\/strong>, un herbicide de pr\u00e9lev\u00e9e utilis\u00e9 \u00e0 2,5 L\/ha<\/strong>, il conf\u00e8re une r\u00e9manence allant jusqu\u2019\u00e0 2 mois. Ce d\u00e9sherbage consiste \u00e0 inhiber la germination des graines des adventices et bloquer leur d\u00e9veloppement. Ce type de d\u00e9sherbage permet au ma\u00efs de bien d\u00e9marrer, de gagner rapidement en vigueur et de profiter de toute la quantit\u00e9 d\u2019eau et des \u00e9l\u00e9ments nutritifs. Cela permet de bien d\u00e9velopper son potentiel de rendement<\/p>\n

Profert recommande Mustang\u00ae<\/sup>\u00a0360,<\/strong>\u00a0un herbicide de post-lev\u00e9e utilis\u00e9 \u00e0 0.6 L\/ha<\/strong>, au stade de 2 \u00e0 8 feuilles de l\u2019adventice (adventice jeune en plein croissance v\u00e9g\u00e9tative).<\/p>\n

Mustang\u00ae<\/sup>\u00a0360<\/strong>\u00a0est un herbicide \u00e0 appliquer une fois par compagne.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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Nos solutions<\/h2><\/span>
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Mustang\u00ae<\/sup> 360<\/h3><\/div>
\"\"<\/a><\/div><\/div><\/div><\/div>
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Prowl\u00ae<\/sup> Aqua<\/h3><\/div>
\"\"<\/a><\/div><\/div><\/div><\/div>
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<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":26319,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[183],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-26297","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-adventices"],"yoast_head":"\nCh\u00e9nopode blanc - Profert<\/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:\/\/profert.dz\/fr\/index.php\/portfolio-items\/chenopode-blanc-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u00e9nopode blanc - Profert\" \/>\n<meta property=\"og:url\" content=\"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/chenopode-blanc-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Profert\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-12T09:41:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/profert.dz\/fr\/wp-content\/uploads\/2023\/07\/Profert-Ch\u00e9nopode-01.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/chenopode-blanc-2\/\",\"url\":\"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/chenopode-blanc-2\/\",\"name\":\"Ch\u00e9nopode blanc - 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