{"id":686,"date":"2007-07-28T13:11:52","date_gmt":"2007-07-28T13:11:52","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/2007\/07\/28\/les-doryphores\/"},"modified":"2012-08-27T10:06:53","modified_gmt":"2012-08-27T10:06:53","slug":"les-doryphores","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2007\/07\/28\/les-doryphores\/","title":{"rendered":"Les doryphores passent \u00e0 l’attaque"},"content":{"rendered":"

\"Doryphore\"<\/a> Celui que vous voyez sur la photo a \u00e9t\u00e9 surpris alors qu’il se promenait tranquillement sur les feuilles d’un pied d’aubergine, en y regardant de plus pr\u00e9s on a pu constater qu’il n’\u00e9tait pas tout seul, une vraie ribambelle de doryphores<\/a> \u00e9taient install\u00e9s sur les plants!<\/p>\n

Ce col\u00e9opt\u00e8re<\/a> se voit facilement car il mesure entre 1 \u00e0 2 cm et avec sa couleur jaune et ses \u00e9lytres ray\u00e9es de noir il est ais\u00e9ment reconnaissable.
Grand amateur de feuillles de pomme de terre<\/a>, on le trouve aussi mais moins fr\u00e9quemment sur les feuilles de tomates, de poivrons ou d’aubergines dont il se r\u00e9gale.<\/p>\n

Les femelles pondent leurs oeufs en amas au revers des feuilles ce qui les prot\u00e8ge des intemp\u00e9ries, du soleil mais aussi des pr\u00e9dateurs. Les larves qui apparaissent sont rouges avec des taches noires sur l’abdomen, elles sont extr\u00e8mement voraces, peut-\u00eatre m\u00eame plus que les adultes.
Capables de d\u00e9vorer tr\u00e9s rapidement les pousses et les feuilles des plantes qu’ils affectionnent, les doryphores sont une vraie plaie au potager ou dans les aires de cultures. Les v\u00e9g\u00e9taux ainsi d\u00e9foli\u00e9s sont fragilis\u00e9s, la photosynth\u00e8se ne se fait pas et forc\u00e9ment la r\u00e9colte est compromise. <\/p>\n

Il faut essayer d’\u00e9radiquer ce fl\u00e9au et pour commencer il faut inspecter tr\u00e9s r\u00e9guli\u00e8rement les plantes concern\u00e9es et ramasser \u00e0 la main tous ces col\u00e9opt\u00e8res. Il existe des traitement efficaces<\/a> pour se d\u00e9barrasser de ces nuisibles mais malheureusement la plupart sont nocifs pour d’autres insectes utiles que nous aimons bien comme les coccinelles, alors finalement la ramassage manuel est une bonne solution, mais il n’est possible que sur de petites surfaces.<\/p>\n

Certaines plantes s’entraident sans le savoir, essayez donc de planter un datura stramoine \u00e0 c\u00f4t\u00e9 de vos plants d\u00e9vor\u00e9s par les doryphores, les larves s’empoisonneront avec cette plante qui est toxique par ingestion, pour elles comme pour nous. <\/p>\n","protected":false},"excerpt":{"rendered":"

Celui que vous voyez sur la photo a \u00e9t\u00e9 surpris alors qu’il se promenait tranquillement sur les feuilles d’un pied d’aubergine, en y regardant de plus pr\u00e9s on a pu constater qu’il n’\u00e9tait pas tout seul, une vraie ribambelle de doryphores \u00e9taient install\u00e9s sur les plants! Ce col\u00e9opt\u00e8re se voit facilement car il mesure entre […]<\/p>\n","protected":false},"author":354,"featured_media":3358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,19,13],"tags":[],"class_list":["post-686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ennemis-et-maladies","category-legumes","category-plantes"],"yoast_head":"\nLes doryphores passent \u00e0 l'attaque - 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\/2007\/07\/28\/les-doryphores\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les doryphores passent \u00e0 l'attaque - Le blog jardin\" \/>\n<meta property=\"og:description\" content=\"Celui que vous voyez sur la photo a \u00e9t\u00e9 surpris alors qu’il se promenait tranquillement sur les feuilles d’un pied d’aubergine, en y regardant de plus pr\u00e9s on a pu constater qu’il n’\u00e9tait pas tout seul, une vraie ribambelle de doryphores \u00e9taient install\u00e9s sur les plants! 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