{"id":25215,"date":"2020-08-14T20:54:00","date_gmt":"2020-08-14T17:54:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=25215"},"modified":"2020-08-13T22:12:48","modified_gmt":"2020-08-13T19:12:48","slug":"a-sajat-feromonjaikkal-tartanak-tavol-a-vandorsaskakat","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=25215&lang=hu","title":{"rendered":"A saj\u00e1t feromonjaikkal tartan\u00e1k t\u00e1vol a v\u00e1ndors\u00e1sk\u00e1kat"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Tud\u00f3sok \u00faj, titkos fegyvert vetn\u00e9nek be a vil\u00e1gszerte puszt\u00edt\u00f3 v\u00e1ndors\u00e1sk\u00e1k ellen: a saj\u00e1t k\u00e9miai vegy\u00fcleteiket haszn\u00e1ln\u00e1k fel ellen\u00fck. A kutat\u00f3k szerint ugyanis az, ami annyira vesz\u00e9lyess\u00e9 teszi \u0151ket, \u00e9pp \u00fagy felhaszn\u00e1lhat\u00f3 ellen\u00fck is.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"429\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saskainvazio3.jpg\" alt=\"\" class=\"wp-image-25216\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saskainvazio3.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saskainvazio3-300x200.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Vesz\u00e9lyeztetik az \u00e9lelmiszerbiztons\u00e1got<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00edg a vil\u00e1got az \u00faj koronav\u00edrus-j\u00e1rv\u00e1ny foglalkoztatja, a s\u00e1sk\u00e1k nem t\u00e9tlenkednek. Az \u00e9ghajlatv\u00e1ltoz\u00e1s hat\u00e1s\u00e1ra Afrik\u00e1ban \u00e9s a K\u00f6zel-Keleten is fokoz\u00f3dott a rovarok szaporod\u00e1sa \u00e9s mozg\u00e1sa. Rovarok milli\u00e1rdjai lept\u00e9k el a F\u00f6ld legszeg\u00e9nyebb, illetve politikai, gazdas\u00e1gi \u00e9s t\u00e1rsadalmi szempontb\u00f3l leginstabilabb \u00e1llamainak egy r\u00e9sz\u00e9t, ahol a n\u00f6v\u00e9nyzet ler\u00e1g\u00e1s\u00e1val vesz\u00e9lyeztetik a helyi gazd\u00e1lkod\u00f3k meg\u00e9lhet\u00e9s\u00e9t, valamint az \u00e9lelmiszer biztons\u00e1got.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1ndors\u00e1sk\u00e1k elleni k\u00fczdelem jelenlegi leghat\u00e9konyabb m\u00f3dja az, amikor a szakemberek peszticideket permeteznek a leveg\u0151be. Sok orsz\u00e1gban azonban hi\u00e1nyoznak a hossz\u00fa t\u00e1v\u00fa k\u00e1rtev\u0151-ellenes strat\u00e9gi\u00e1hoz sz\u00fcks\u00e9ges p\u00e9nz\u00fcgyi forr\u00e1sok \u00e9s a megfelel\u0151 infrastrukt\u00fara.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez a legf\u0151bb oka annak, hogy a \u201ebibliai nyolcadik csap\u00e1ssal\u201d s\u00fajtott orsz\u00e1gok vezet\u0151i folyamatosan megold\u00e1si alternat\u00edv\u00e1kat keresnek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ebben seg\u00edthet nekik a Nature tudom\u00e1nyos szaklapban most publik\u00e1lt tanulm\u00e1ny.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"362\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saska-locust.jpg\" alt=\"\" class=\"wp-image-25217\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saska-locust.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/saska-locust-300x169.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>M\u00e1r az inv\u00e1zi\u00f3 kialakul\u00e1s\u00e1t megakad\u00e1lyozn\u00e1k<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A K\u00ednai Tudom\u00e1nyos Akad\u00e9mia tud\u00f3sai azonos\u00edtott\u00e1k azokat a feromonokat, amelyeket a v\u00e1ndors\u00e1sk\u00e1k haszn\u00e1lnak a kommunik\u00e1ci\u00f3hoz, a t\u00e1rsak felismer\u00e9s\u00e9hez, \u00e9s amely gy\u00fclekez\u00e9sre ingerl\u0151 anyagokat is tartalmaz, hozz\u00e1j\u00e1rulva a s\u00e1skainv\u00e1zi\u00f3 kialakul\u00e1s\u00e1hoz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A 4-vinil-anizolnak (4VA) nevezett szerves vegy\u00fcletet az a v\u00e1ndors\u00e1ska faj szabad\u00edtja fel, amelyik a legsz\u00e9lesebb k\u00f6rben elterjedt \u00e9s az egyik legnagyobb puszt\u00edt\u00e1st v\u00e9gz\u0151 rovar \u2013 mondta Le Kang, az akad\u00e9mia kutat\u00f3ja a ZME Science online tudom\u00e1nyos port\u00e1lnak. \u2013 Amikor n\u00e9gy vagy t\u00f6bb s\u00e1ska \u00f6sszegy\u0171lik egy mez\u0151n \u00e9s elkezdi szabadon engedni ezeket a feromonokat, azt a t\u00f6bbiek az \u00e9rz\u00e9keny receptoraik seg\u00edts\u00e9g\u00e9vel \u00e9rz\u00e9kelik \u00e9s elindulnak a \u201eforr\u00e1s\u201d ir\u00e1ny\u00e1ba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Amikor azonban a szakemberek a g\u00e9ntechnol\u00f3gi\u00e1val m\u00f3dos\u00edtott s\u00e1sk\u00e1kt\u00f3l megvont\u00e1k ezeket az OR35 n\u00e9ven ismert szagl\u00e1si receptorokat, akkor a rovarokat m\u00e1r sokkal kev\u00e9sb\u00e9 vonzott\u00e1k a k\u00e9miai vegy\u00fcletek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok ebb\u0151l kiindulva r\u00f6gt\u00f6n k\u00e9t strat\u00e9gi\u00e1t is dolgoztak a j\u00f6v\u0151beli s\u00e1skainv\u00e1zi\u00f3k megakad\u00e1lyoz\u00e1s\u00e1ra.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/5saskainvazio-1024x682.jpg\" alt=\"\" class=\"wp-image-25218\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/5saskainvazio-1024x682.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/5saskainvazio-300x200.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/5saskainvazio-768x512.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/08\/5saskainvazio.jpg 1175w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dagy gondolj\u00e1k, hogy a 4VA vegyi anyagok permetez\u00e9se bizonyos ter\u00fcleteken teljes s\u00e1skarajokat vonzhat egy fel\u00e1ll\u00edtott n\u00f6v\u00e9nyv\u00e9d\u0151szeres csapd\u00e1ba. Alternat\u00edv megold\u00e1sk\u00e9nt pedig a feromonok aktivit\u00e1s\u00e1t megzavar\u00f3 vegyi anyagok is megakad\u00e1lyozhatj\u00e1k a s\u00e1sk\u00e1k csoportosul\u00e1s\u00e1t \u00e9s v\u00e1ndorl\u00e1s\u00e1t az \u00e9lelmiszern\u00f6v\u00e9nyekhez k\u00f6zeli bizonyos ter\u00fcleteken. \u00c9s b\u00e1r ezeknek a strat\u00e9gi\u00e1knak a hat\u00e9konys\u00e1g\u00e1t tov\u00e1bbi kutat\u00e1sokkal kell m\u00e9g igazolni, m\u00e1r most emberek milli\u00f3i figyelik k\u00e9ts\u00e9gbeesetten a lehets\u00e9ges megold\u00e1sokat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az Egyes\u00fclt \u00c1llamok \u00c9lelmez\u00e9si \u00e9s Mez\u0151gazdas\u00e1gi Szervezete szerint az ut\u00f3bbi \u00e9vekben a k\u00e1rtev\u0151k egyre agressz\u00edvabb\u00e1 v\u00e1ltak \u00e9s a sz\u00e1muk exponenci\u00e1lisan n\u00f6vekszik. A jelenlegi tendenci\u00e1k mellett a vil\u00e1g lakoss\u00e1ga 10 sz\u00e1zal\u00e9k\u00e1nak a meg\u00e9lhet\u00e9se ker\u00fclhet vesz\u00e9lybe emiatt.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/www.origo.hu\/tudomany\/20200813-feromonok-lehetnek-a-titkos-fegyverek-a-vandorsaskak-ellen.html\" target=\"_blank\" rel=\"noreferrer noopener\">(origo.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tud\u00f3sok \u00faj, titkos fegyvert vetn\u00e9nek be a vil\u00e1gszerte puszt\u00edt\u00f3 v\u00e1ndors\u00e1sk\u00e1k ellen: a saj\u00e1t k\u00e9miai vegy\u00fcleteiket haszn\u00e1ln\u00e1k fel ellen\u00fck. <\/p>\n","protected":false},"author":12,"featured_media":25217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,23,598,39],"tags":[15963,15962],"class_list":["post-25215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-fotok","category-tudomany","category-vilag","tag-feromonok","tag-saskajaras"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/25215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25215"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/25215\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/25217"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}