{"id":15309,"date":"2023-09-21T16:17:26","date_gmt":"2023-09-21T14:17:26","guid":{"rendered":"https:\/\/www.sweeek.fr\/blog\/?p=15309"},"modified":"2026-05-06T15:35:31","modified_gmt":"2026-05-06T13:35:31","slug":"comment-lutter-contre-la-pieride-du-chou","status":"publish","type":"post","link":"https:\/\/www.sweeek.fr\/blog\/comment-lutter-contre-la-pieride-du-chou\/","title":{"rendered":"Comment lutter contre la pi\u00e9ride du chou ?"},"content":{"rendered":"\n

La pi\u00e9ride est un papillon diurne que l\u2019on trouve en France. S\u2019il est plut\u00f4t joli \u00e0 regarder au stage adulte, ce grand papillon blanc aux taches noires peut causer de grands d\u00e9g\u00e2ts lorsqu\u2019il est au stage de la chenille<\/strong>. Sa chenille peut ab\u00eemer un chou en seulement quelques jours. Les amateurs de potagers devront donc redoubler de vigilance et apprendre \u00e0 reconna\u00eetre cette pi\u00e9ride du chou. Nous vous parlerons dans cet article des conditions qui favorisent le d\u00e9veloppement de cette chenille nuisibles au potager<\/a> et nous vous donnerons quelques techniques pr\u00e9ventives pour lutter contre la pi\u00e9ride du chou. Pour finir, vous saurez comment vous d\u00e9barrasser d\u00e9finitivement de cet insecte. <\/p>\n\n\n\n

Identifier la pi\u00e9ride du chou : comment la reconna\u00eetre ?<\/strong><\/h2>\n\n\n\n
\n
\n
\"pieride<\/figure>\n<\/div>\n\n\n\n
\n

Nous avons tous d\u00e9j\u00e0 observ\u00e9 la pi\u00e9ride du chou dans notre jardin. Ce papillon qui mesure jusqu\u2019\u00e0 6cm est ais\u00e9ment reconnaissable gr\u00e2ce \u00e0 sa couleur blanche et ses taches sombres<\/strong>. Il passe l\u2019hiver sous forme de chrysalide puis devant adulte apr\u00e8s le printemps en avril-mai. Chaque saison, 3 g\u00e9n\u00e9rations de pi\u00e9rides se suivent, vos choux peuvent donc \u00eatre attaqu\u00e9s \u00e0 partir du printemps et tout l\u2019\u00e9t\u00e9. D\u00e8s sa naissance, la pi\u00e9ride du chou va manger ses plantes-h\u00f4tes. Elle choisit principalement les choux<\/strong> comme le chou pomm\u00e9, le chou fris\u00e9, le chou de Bruxelles, le chou-fleur ou le brocoli. <\/p>\n\n\n\n

Mais elle peut aussi s\u2019attaquer au navet, au cresson, au colza ou \u00e0 la girofl\u00e9e<\/strong>. Mais si elle ne trouve pas ces l\u00e9gumes, elle s’attaque aux crucif\u00e8res sauvages comme la moutarde<\/strong>. Apr\u00e8s sa naissance, la larve commence d\u2019abord par manger la partie int\u00e9rieure des feuilles de choux. Apr\u00e8s quelques jours, les jeunes chenilles vont d\u00e9vorer l\u2019ensemble de la feuille, il ne restera plus que les nervures. <\/p>\n\n\n\n

Alors comment reconna\u00eetre la chenille de la pi\u00e9ride du chou dans votre potager ?
C\u2019est au mois de mai<\/a> que les papillons se mettent \u00e0 pondre sur les choux du potager. Ces papillons volent au-dessus des choux et d\u00e9posent leurs \u0153ufs qui ressemblent \u00e0 des grappes jaunes vifs sur les feuilles. Ils deviennent ensuite orange p\u00e2le. <\/p>\n\n\n\n

Les d\u00e9g\u00e2ts de la pi\u00e9ride du chou sont facilement identifiables. Vous pourrez d\u2019abord observer des petits trous sur les feuilles<\/strong>. Puis les feuilles seront enti\u00e8rement d\u00e9vor\u00e9es<\/strong>. Vous trouverez \u00e9galement des d\u00e9jections sur les feuilles<\/strong>. Et pour finir, le c\u0153ur du chou sera creus\u00e9 par de multiples galeries. <\/p>\n<\/div>\n<\/div>\n\n\n\n

Quelles sont les conditions favorisant leur d\u00e9veloppement ?<\/strong><\/h2>\n\n\n\n

Certaines conditions favorisent le d\u00e9veloppement de la pi\u00e9ride du chou comme la m\u00e9t\u00e9o<\/strong> par exemple. En effet, si l\u2019automne<\/a> est ensoleill\u00e9 et pas tr\u00e8s froid<\/strong>, une deuxi\u00e8me g\u00e9n\u00e9ration de pi\u00e9rides appara\u00eetra, elle sera particuli\u00e8rement dangereuse pour votre culture de choux.
Lors de vos traitements en pr\u00e9vention, \u00e9vitez le purin d\u2019ortie<\/a><\/strong> qui attire particuli\u00e8rement la pi\u00e9ride du chou. <\/p>\n\n\n\n

Comment lutter pr\u00e9ventivement contre la pi\u00e9ride du chou ?<\/strong><\/h2>\n\n\n\n
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Il est important d\u2019agir d\u00e8s le d\u00e9but du printemps pour limiter les d\u00e9g\u00e2ts, en inspectant tous les jours<\/strong> votre potager. \u00c9craser tous les \u0153ufs que vous pourrez observer<\/strong>, observez bien car il y a parfois seulement quelques \u0153ufs sur les feuilles. Cette action permet de limiter le nombre de pi\u00e9rides d\u00e8s leur sortie de l\u2019hiver. <\/p>\n\n\n\n

Bonne nouvelle, la pi\u00e9ride poss\u00e8de des pr\u00e9dateurs naturels comme les coccinelles, les libellules, les chrysopes, les gu\u00eapes ou certaines punaises<\/strong>. Pour attirer ces pr\u00e9dateurs dans votre jardin, essayez de favoriser la biodiversit\u00e9 naturelle avec des haies champ\u00eatres, des abris \u00e0 insectes et en \u00e9vitant d\u2019utiliser des traitements chimiques. <\/strong><\/p>\n\n\n\n

Autre moyen d\u2019\u00e9loigner la pi\u00e9ride du chou, cultiver des plantes<\/a> qui emp\u00eachent les papillons de venir pondre sur les choux. Plantez <\/strong>pr\u00e8s de votre potager des plantes aromatiques comme l\u2019absinthe, le thym, le romarin, la menthe, la sauge, la verveine ou la m\u00e9lisse.<\/strong> Certains l\u00e9gumes sont aussi tr\u00e8s efficaces comme la tomate, le c\u00e9leri, l\u2019ail, l\u2019\u00e9pinard ou le fenouil. <\/strong><\/p>\n\n\n\n

Installez un filet protecteur<\/strong> sur vos cultures d\u00e8s l\u2019apparition des insectes au printemps. Ce filet \u00e0 mailles tr\u00e8s fines permet de lutter efficacement contre les pi\u00e9rides du chou. Si le filet est assez r\u00e9sistant, il pourra \u00eatre r\u00e9utilis\u00e9 ann\u00e9e apr\u00e8s ann\u00e9e dans votre potager. Le seul d\u00e9faut de ce genre de filet est le prix un peu \u00e9lev\u00e9. Vous trouverez dans les magasins sp\u00e9cialis\u00e9s, plusieurs tailles de filets anti-insectes selon vos besoins. <\/p>\n\n\n\n

La pulv\u00e9risation de purin de tomates non dilu\u00e9 ou d\u2019infusion de tanaisie non dilu\u00e9e<\/strong> sur les plantes h\u00f4tes permettra de dissuader les papillons de venir pondre leurs \u0153ufs sur les choux. Pulv\u00e9risez la solution d\u00e8s l\u2019apparition des papillons au printemps puis tous les 5 \u00e0 7 jours lors de la p\u00e9riode de vol des papillons. <\/p>\n<\/div>\n\n\n\n

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\"pieride<\/figure>\n<\/div>\n<\/div>\n\n\n\n

Comment traiter la pi\u00e9ride du chou  ?<\/strong><\/h2>\n\n\n\n

Les moyens naturels<\/h3>\n\n\n\n
    \n
  • A l\u2019\u00e9closion des chenilles, pulv\u00e9risez du purin d\u2019absinthe que vous aurez dilu\u00e9 \u00e0 10%. <\/strong>Il est pr\u00e9f\u00e9rable d\u2019appliquer cette solution sur les feuilles infest\u00e9es t\u00f4t le matin ou le soir. Ce traitement doit \u00eatre effectu\u00e9 plusieurs fois et \u00eatre espac\u00e9 de 4 \u00e0 5 jours.\u00a0
    <\/li>\n\n\n\n
  • Le purin de tanaisie<\/strong> serait l\u2019un des plus efficaces<\/strong> d\u2019apr\u00e8s les jardiniers professionnels. Il suffit de m\u00e9langer 50 grammes de feuilles de la plante avec un litre d\u2019eau et de pulv\u00e9riser le m\u00e9lange sur les feuilles. Il faudra appliquer ce produit toutes les semaines. Attention, ce purin ne se conserve pas.\u00a0
    <\/li>\n\n\n\n
  • Le savon noir<\/strong> est aussi reconnu comme \u00e9tant un traitement efficace contre ces insectes. Apr\u00e8s la 1\u00e8re<\/sup> utilisation 50% des chenilles touch\u00e9es par le produit vont mourir en moins de 30 minutes. Quelques jours apr\u00e8s une deuxi\u00e8me pulv\u00e9risation viendra tuer les chenilles survivantes. L\u2019avantage du savon noir est qu\u2019il n\u2019aura pas d\u2019impact sur les plantes de votre potager.\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n

    Les insecticides naturels<\/h3>\n\n\n\n

    Si les d\u00e9g\u00e2ts sont importants et que les moyens naturels ne sont pas suffisants, vous pouvez alors utiliser des insecticides naturels<\/strong>. Il existe aussi des pr\u00e9parations agr\u00e9\u00e9es en agriculture biologique<\/strong> con\u00e7ues \u00e0 partir de bacille de thuringe aussi appel\u00e9 bacillus thuriengis. Cette bact\u00e9rie qui se pulv\u00e9rise sur les feuilles tuera la chenille qui la consomme. Attention, utilisez cet insecticide avec parcimonie<\/strong> car elle peut aussi tuer d\u2019autres chenilles de papillons qui elles ne sont pas nuisibles. De plus, si cette bact\u00e9rie est d\u00e9truite par les rayons UV, elle est prot\u00e9g\u00e9e si elle se retrouve dans l\u2019eau. C\u2019est pourquoi on peut retrouver sa pr\u00e9sence dans des mares ou des \u00e9tangs avoisinant les exploitations agricoles. <\/p>\n\n\n\n

    Vous disposez \u00e0 pr\u00e9sent de toutes les informations n\u00e9cessaires pour lutter contre la pi\u00e9ride du chou. Vous savez \u00e0 pr\u00e9sent comment la reconna\u00eetre et connaissez les moyens pour pr\u00e9venir son apparition et pour la traiter.  <\/p>\n","protected":false},"excerpt":{"rendered":"

    La pi\u00e9ride est un papillon diurne que l\u2019on trouve en France. S\u2019il est plut\u00f4t joli \u00e0 regarder au stage adulte, ce grand papillon blanc aux taches noires peut causer de grands d\u00e9g\u00e2ts lorsqu\u2019il est au stage de la chenille. Sa chenille peut ab\u00eemer un chou en seulement quelques jours. Les amateurs de potagers devront donc […]<\/p>\n","protected":false},"author":20,"featured_media":15310,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_uag_custom_page_level_css":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[189],"tags":[],"class_list":["post-15309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maladie-traitement","entry","has-media"],"yoast_head":"\nComment lutter contre la pi\u00e9ride du chou ? – Les Conseils sweeek<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment prot\u00e9ger votre potager des ravages de la redoutable pi\u00e9ride du chou. 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