{"id":27814,"date":"2023-12-25T10:43:26","date_gmt":"2023-12-25T09:43:26","guid":{"rendered":"https:\/\/profert.dz\/fr\/?post_type=avada_portfolio&p=27814"},"modified":"2024-08-21T12:51:16","modified_gmt":"2024-08-21T10:51:16","slug":"les-noctuelles-de-la-pomme-de-terre","status":"publish","type":"avada_portfolio","link":"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/les-noctuelles-de-la-pomme-de-terre\/","title":{"rendered":"Les noctuelles"},"content":{"rendered":"

Les noctuelles<\/h2>\n

Les noctuelles de la pomme de terre (Agrotis spp)<\/em> sont des insectes de la famille des l\u00e9pidopt\u00e8res, ravageurs de la pomme de terre par leurs stades larvaires. On distingue, selon l\u2019endroit de leur d\u00e9veloppement, des noctuelles terricoles (commun\u00e9ment appel\u00e9es vers gris), des noctuelles d\u00e9foliatrices sur le feuillage et des noctuelles foreuses dans les tiges.<\/p>\n<\/div>

Cycle de d\u00e9veloppement<\/h2>\n

La noctuelle hiverne sous forme d\u2019\u0153uf ou \u00e0 l\u2019\u00e9tat larvaire, les larves sont de couleur grises avec une t\u00eate rouge\u00e2tre, mesurant 4 \u00e0 5 cm. Leur d\u00e9veloppement peut durer jusqu\u2019\u00e0 60 jours \u00e0 des temp\u00e9ratures comprises entre 16 \u00e0 18\u00b0C, cette dur\u00e9e diminue avec l\u2019augmentation des temp\u00e9ratures. Il peut y avoir plusieurs g\u00e9n\u00e9rations par an.<\/p>\n<\/div>

Sympt\u00f4mes et d\u00e9g\u00e2ts<\/h2>\n

Partie a\u00e9rienne :<\/strong> les larves se nourrissent des tiges et feuilles causant ainsi une diminution du couvert v\u00e9g\u00e9tal et un manque lors de la lev\u00e9e.
\nTubercules :<\/strong> Une fois au sol, les larves s\u2019alimentent sur les tubercules en creusant de nombreuses galeries profondes.<\/p>\n<\/div>

Strat\u00e9gie de lutte<\/h2>\n

Mesures prophylactiques :<\/strong>
\n\u2022 Bien travailler le sol, afin d\u2019enfouir les larves en profondeur.
\n\u2022 D\u00e9sherber la parcelle pour \u00e9liminer les mauvaises herbes qui peuvent h\u00e9berger l\u2019insecte.
\n\u2022 Pratiquer la rotation.
\n\u2022 Eliminer les d\u00e9bris v\u00e9g\u00e9taux susceptibles d\u2019abriter les formes hivernantes de l\u2019insecte.<\/p>\n

Lutte chimique :<\/strong>
\nCroissance active :<\/strong> un traitement avec Deltharin<\/strong> \u00e0 la dose 0,5 L\/ha<\/strong> contr\u00f4le les jeunes larves qui apparaissent au d\u00e9but de printemps dans des conditions favorables.
\nV\u00e9g\u00e9tation stabilis\u00e9e :<\/strong> si les conditions demeurent propices au d\u00e9veloppement de l\u2019insecte, un traitement avec Uphold<\/strong> \u00e0 la dose 0,35 L\/ha<\/strong> assure le contr\u00f4le des populations pr\u00e9sentes.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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Nos solutions<\/h2><\/span>
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Deltharin\u00ae<\/sup><\/h3><\/div>
\"\"<\/a><\/div><\/div><\/div><\/div>
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Uphold\u00ae<\/sup><\/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":27870,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[175],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-27814","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-ravageurs-pomme-de-terre"],"yoast_head":"\nLes noctuelles - 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\/les-noctuelles-de-la-pomme-de-terre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les noctuelles - Profert\" \/>\n<meta property=\"og:url\" content=\"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/les-noctuelles-de-la-pomme-de-terre\/\" \/>\n<meta property=\"og:site_name\" content=\"Profert\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-21T10:51:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/profert.dz\/fr\/wp-content\/uploads\/2023\/12\/Noctuelles-PDT-0222.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=\"15 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\/les-noctuelles-de-la-pomme-de-terre\/\",\"url\":\"https:\/\/profert.dz\/fr\/index.php\/portfolio-items\/les-noctuelles-de-la-pomme-de-terre\/\",\"name\":\"Les noctuelles - 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