{"id":5573,"date":"2017-10-03T15:53:10","date_gmt":"2017-10-03T19:53:10","guid":{"rendered":"http:\/\/www.namonarchs.org\/?p=5573"},"modified":"2022-03-30T17:14:00","modified_gmt":"2022-03-30T21:14:00","slug":"developing-integrated-pest-management-for-milkweed-seed-producers","status":"publish","type":"post","link":"https:\/\/www.namonarchs.org\/fr\/projets-pilotes\/developing-integrated-pest-management-for-milkweed-seed-producers\/","title":{"rendered":"Developing Integrated Pest Management for Milkweed Seed Producers"},"content":{"rendered":"<p>L\u2019am\u00e9lioration de la disponibilit\u00e9 des graines d\u2019ascl\u00e9piade constitue un \u00e9l\u00e9ment majeur de notre strat\u00e9gie de r\u00e9tablissement des populations de monarques. Malheureusement, l\u2019acc\u00e8s \u00e0 ces graines demeure probl\u00e9matique pour les gestionnaires et les jardiniers faisant de la restauration, qui cherchent les ascl\u00e9piades locales appropri\u00e9es \u00e0 planter.<\/p>\n<p>La Xerces Society collabore avec les producteurs de graines indig\u00e8nes \u00e0 usage commercial et les sp\u00e9cialistes connexes dans onze \u00c9tats de l\u2019ensemble du pays, afin de d\u00e9finir les probl\u00e8mes li\u00e9s \u00e0 la production de graines d\u2019ascl\u00e9piade. Une forte majorit\u00e9 des r\u00e9pondants (80\u00a0%) ont dit que les dommages caus\u00e9s par les insectes faisaient obstacle \u00e0 l\u2019augmentation de la production de graines, ce qui cr\u00e9e un probl\u00e8me d\u2019augmentation de la quantit\u00e9 d\u2019ascl\u00e9piades indig\u00e8nes \u00e0 commercialiser.<\/p>\n<p>Les producteurs de graines d\u2019ascl\u00e9piade estiment perdre entre 25 et 50 % de leurs r\u00e9coltes d\u2019ascl\u00e9piade \u00e0 cause d\u2019insectes comme les pucerons, les coccinelles et les autres insectes se nourrissant de graines. M\u00eame s\u2019il est difficile de calculer le pourcentage de r\u00e9coltes perdues, cette perception cr\u00e9e un probl\u00e8me, car cela pousse les agriculteurs \u00e0 pulv\u00e9riser des insecticides sur leurs ascl\u00e9piades pour lutter contre les insectes parasites.<\/p>\n<p>Mais les parasites ne sont pas les seuls insectes qui fr\u00e9quentent les champs d\u2019ascl\u00e9piades pour s\u2019y nourrir et s\u2019y reproduire; parfois, des milliers de monarques sont observ\u00e9s dans ces champs. Quand les agriculteurs recourent aux insecticides, cela cr\u00e9e un risque \u00e9lev\u00e9 pour les populations de monarques. La Xerces Society est en train d\u2019\u00e9laborer et de mettre \u00e0 l\u2019essai une strat\u00e9gie de lutte antiparasitaire int\u00e9gr\u00e9e (LAI) pour r\u00e9gler ce probl\u00e8me.<\/p>\n<p>Ce type de gestion va permettre aux agriculteurs d\u2019estimer avec pr\u00e9cision le pourcentage de r\u00e9coltes qu\u2019ils perdent \u00e0 cause des parasites, de recommander un seuil raisonnable \u00e0 partir duquel il faut prendre des mesures contre les dommages imputables aux parasites, et de cr\u00e9er un syst\u00e8me de traitements recommand\u00e9s pour r\u00e9duire ces dommages tout en renfor\u00e7ant la protection des monarques et d\u2019autres insectes b\u00e9n\u00e9fiques dans les champs de production de graines d\u2019ascl\u00e9piade.<\/p>\n<p>Le cadre initial de LAI qui doit \u00eatre pr\u00eat en 2016 fournira aux agriculteurs cultivant des graines d\u2019ascl\u00e9piade l\u2019outil le plus complet d\u2019aide \u00e0 la d\u00e9cision en mati\u00e8re de lutte antiparasitaire jamais cr\u00e9\u00e9 pour ce secteur. Par ailleurs, cet outil prot\u00e9gera simultan\u00e9ment les monarques contre les insecticides. Nous sommes impatients de voir \u00e0 l\u2019\u0153uvre cet important outil de conservation des ascl\u00e9piades et des monarques (MJV, 2015).<\/p>\n<ul>\n<li>Monarch Joint Venture (MJV). <em>Developing Integrated Pest Management for Milkweed Seed Producers<\/em>, 2015. Consult\u00e9 en ligne le 10 mars 2016\u00a0: <a href=\"http:\/\/monarchjointventure.org\/our-work\/developing-integrated-pest-management-for-milkweed-seed-producers\">http:\/\/monarchjointventure.org\/our-work\/developing-integrated-pest-management-for-milkweed-seed-producers<\/a>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019am\u00e9lioration de la disponibilit\u00e9 des graines d\u2019ascl\u00e9piade constitue un \u00e9l\u00e9ment majeur de notre strat\u00e9gie de r\u00e9tablissement des populations de monarques. Malheureusement, l\u2019acc\u00e8s \u00e0 ces graines demeure probl\u00e9matique pour les gestionnaires et les jardiniers faisant de la restauration, qui cherchent les ascl\u00e9piades locales appropri\u00e9es \u00e0 planter. La Xerces Society collabore avec les producteurs de graines indig\u00e8nes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[450,453],"tags":[669],"class_list":["post-5573","post","type-post","status-publish","format-standard","hentry","category-projets-pilotes","category-recherche-et-surveillance","tag-asclepiade","agency_type-ong","country-etats-unis","organization-xerces-society","languages-anglais"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Developing Integrated Pest Management for Milkweed Seed Producers - Bo\u00eete \u00e0 outils pour la conservation du papillon monarque<\/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:\/\/www.namonarchs.org\/fr\/projets-pilotes\/developing-integrated-pest-management-for-milkweed-seed-producers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Developing Integrated Pest Management for Milkweed Seed Producers - Bo\u00eete \u00e0 outils pour la conservation du papillon monarque\" \/>\n<meta property=\"og:description\" content=\"L\u2019am\u00e9lioration de la disponibilit\u00e9 des graines d\u2019ascl\u00e9piade constitue un \u00e9l\u00e9ment majeur de notre strat\u00e9gie de r\u00e9tablissement des populations de monarques. Malheureusement, l\u2019acc\u00e8s \u00e0 ces graines demeure probl\u00e9matique pour les gestionnaires et les jardiniers faisant de la restauration, qui cherchent les ascl\u00e9piades locales appropri\u00e9es \u00e0 planter. 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