{"id":35466,"date":"2022-03-21T09:34:42","date_gmt":"2022-03-21T08:34:42","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=35466"},"modified":"2022-03-21T09:34:42","modified_gmt":"2022-03-21T08:34:42","slug":"quelle-pheromone-est-la-plus-efficace-pour-le-suivi-du-scolyte-en-foret","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/quelle-pheromone-est-la-plus-efficace-pour-le-suivi-du-scolyte-en-foret\/","title":{"rendered":"Quelle ph\u00e9romone est la plus efficace pour le suivi du scolyte en for\u00eat ?"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les \u00e9pid\u00e9mies r\u00e9p\u00e9t\u00e9es de scolytes ont fortement impact\u00e9 les for\u00eats tant sur le plan \u00e9conomique qu\u2019\u00e9cologique. Pour anticiper ces \u00e9pid\u00e9mies \u00e0 l\u2019avenir, un monitoring efficace est n\u00e9cessaire. La question se pose toutefois quant au choix des ph\u00e9romones \u00e0 utiliser pour le pi\u00e9geage des insectes.<\/p>\n<p>Une \u00e9tude a \u00e9t\u00e9 men\u00e9e en ce sens en Slov\u00e9nie en 2019. L\u2019\u00e9quipe de chercheurs a ainsi test\u00e9 dans diff\u00e9rentes situations cinq leurres de ph\u00e9romones de synth\u00e8se d\u00e9j\u00e0 commercialis\u00e9s. Les collectes de donn\u00e9es ont eu lieu entre fin mars et fin septembre 2019 sur cinquante pi\u00e8ges \u00e0 scolytes install\u00e9s sur deux sites : l\u2019un affect\u00e9 par les temp\u00eates et l\u2019autre pas. Ces pi\u00e8ges ont \u00e9t\u00e9 relev\u00e9s toutes les 1 \u00e0 2 semaines pendant toute la p\u00e9riode. Le but de cette \u00e9tude \u00e9tait de tester la capacit\u00e9 des diff\u00e9rentes ph\u00e9romones \u00e0 distinguer les sites perturb\u00e9s des non perturb\u00e9s, ainsi que de calculer leur rapport co\u00fbt\/efficacit\u00e9. Les r\u00e9sultats montrent que les leurres IT Ecolure Extra, Ipsowit et Pheroprax sont les plus efficaces dans la capture de scolytes, avec peu de prises accessoires notamment (6 % des prises). Le co\u00fbt des ph\u00e9romones reste faible par rapport aux co\u00fbts de la main-d&rsquo;\u0153uvre n\u00e9cessaire \u00e0 l\u2019installation des pi\u00e8ges et \u00e0 leur relev\u00e9. Sur base des donn\u00e9es r\u00e9colt\u00e9es, les chercheurs ont \u00e9t\u00e9 en mesure de cr\u00e9er un indice permettant d\u2019\u00e9valuer le rapport co\u00fbt\/efficacit\u00e9 des cinq ph\u00e9romones choisies. Cet indice montre que les ph\u00e9romones ont des scores diff\u00e9rents en ce qui concerne le nombre de captures de scolytes, la sensibilit\u00e9 aux endroits perturb\u00e9s et non perturb\u00e9s et le ratio de captures par rapport aux captures accessoires.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les \u00e9pid\u00e9mies r\u00e9p\u00e9t\u00e9es de scolytes ont fortement impact\u00e9 les for\u00eats tant sur le plan \u00e9conomique qu\u2019\u00e9cologique. Pour anticiper ces \u00e9pid\u00e9mies \u00e0 l\u2019avenir, un monitoring efficace est n\u00e9cessaire. La question se pose toutefois quant au choix des ph\u00e9romones \u00e0 utiliser pour le pi\u00e9geage des insectes. Une \u00e9tude a \u00e9t\u00e9 men\u00e9e en ce sens [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quelle ph\u00e9romone est la plus efficace pour le suivi du scolyte en for\u00eat ? - For\u00eat.Nature<\/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:\/\/foretnature.be\/en\/resume-foret-mail\/quelle-pheromone-est-la-plus-efficace-pour-le-suivi-du-scolyte-en-foret\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quelle ph\u00e9romone est la plus efficace pour le suivi du scolyte en for\u00eat ? - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Ces derni\u00e8res ann\u00e9es, les \u00e9pid\u00e9mies r\u00e9p\u00e9t\u00e9es de scolytes ont fortement impact\u00e9 les for\u00eats tant sur le plan \u00e9conomique qu\u2019\u00e9cologique. Pour anticiper ces \u00e9pid\u00e9mies \u00e0 l\u2019avenir, un monitoring efficace est n\u00e9cessaire. La question se pose toutefois quant au choix des ph\u00e9romones \u00e0 utiliser pour le pi\u00e9geage des insectes. 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