{"id":1820,"date":"2017-07-12T00:32:46","date_gmt":"2017-07-11T23:32:46","guid":{"rendered":"http:\/\/www.insect-communities.cz\/?p=1820"},"modified":"2017-07-12T06:29:28","modified_gmt":"2017-07-12T05:29:28","slug":"study-on-importance-of-flower-spurs","status":"publish","type":"post","link":"https:\/\/www.insect-communities.cz\/cz\/study-on-importance-of-flower-spurs\/","title":{"rendered":"Studie o v\u00fdznamu kv\u011btn\u00ed ostruhy"},"content":{"rendered":"<p><div id=\"attachment_1821\" style=\"width: 216px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-1821\" loading=\"lazy\" class=\"wp-image-1821\" src=\"http:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/07\/Impatiens-burtonii.jpg\" alt=\"\" width=\"206\" height=\"386\" srcset=\"https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/07\/Impatiens-burtonii.jpg 2285w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/07\/Impatiens-burtonii-160x300.jpg 160w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/07\/Impatiens-burtonii-768x1440.jpg 768w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/07\/Impatiens-burtonii-546x1024.jpg 546w\" sizes=\"(max-width: 206px) 100vw, 206px\" \/><p id=\"caption-attachment-1821\" class=\"wp-caption-text\"><em>\u010celn\u00ed pohled do kv\u011btu net\u00fdkavky Impatiens burtoni.\u00a0\u00a9 \u0160. Jane\u010dek<\/em><\/p><\/div>\n<p style=\"text-align: justify;\">Pr\u00e1v\u011b vych\u00e1z\u00ed studie polina\u010dn\u00edho syst\u00e9mu net\u00fdkavky\u00a0<em>Impatiens burtonii<\/em>, na kter\u00e9 se pod\u00edlela i Eli\u0161ka. Pod veden\u00edm \u0160t\u011bp\u00e1na Jane\u010dka se jej\u00ed auto\u0159i\u00a0zam\u011b\u0159ili na morfologii kv\u011btn\u00ed ostruhy a jej\u00edm napln\u011bn\u00ed nektarem v souvislosti s\u00a0morfologi\u00ed hmyz\u00edch n\u00e1v\u0161t\u011bvn\u00edk\u016f a jejich chov\u00e1n\u00edm. Rozhodli se toti\u017e ov\u011b\u0159it dlouhodob\u00fd p\u0159edpoklad, \u017ee pouze specializovan\u00ed opylova\u010di s\u00a0dlouh\u00fdmi sos\u00e1ky mohou opylovat kv\u011bty s\u00a0dlouh\u00fdmi ostruhami. U kamerunsk\u00e9 net\u00fdkavky zjistili, \u017ee v\u0161ichni t\u0159i nej\u010dast\u011bj\u0161\u00ed druhy hmyz\u00edch n\u00e1v\u0161t\u011bvn\u00edk\u016f s\u00a0r\u016fzn\u011b dlouh\u00fdmi sos\u00e1ky jsou schopni rostlinu opylit. Jejich po\u010detnost se b\u011bhem dne m\u011bn\u00ed s kol\u00eds\u00e1n\u00edm hladiny nektaru &#8211; i ti s kr\u00e1tk\u00fdm sos\u00e1kem jsou schopni s\u00e1t nektar, nakumuje-li se ho v ostruze dostatek. R\u00e1no se z t\u00e9m\u011b\u0159 pln\u00e9 ostruhy krm\u00ed pest\u0159enky s kr\u00e1tk\u00fdm sos\u00e1kem, b\u011bhem dne je vyst\u0159\u00eddaj\u00ed v\u010dely se st\u0159edn\u011b dlouh\u00fdm sos\u00e1kem. Z t\u00e9m\u011b\u0159 pr\u00e1zdn\u00fdch ostruh pak odpoledne saj\u00ed specializovan\u00e9 pest\u0159enky s dlouh\u00fdmi sos\u00e1ky. Naproti o\u010dek\u00e1v\u00e1n\u00ed jsou nej\u00fasp\u011b\u0161n\u011bj\u0161\u00edmi opylova\u010di v\u010dely, kter\u00e9 na blizn\u00e1ch zanechaj\u00ed p\u0159i ka\u017ed\u00e9 n\u00e1v\u0161t\u011bv\u011b nejv\u00edce pylu. Vypad\u00e1 to tedy, \u017ee dlouh\u00e9 ostruhy nemus\u00ed b\u00fdt tak \u00fazce koevolu\u010dn\u011b spjat\u00e9 se specializovan\u00fdmi opylova\u010di s dlouh\u00fdmi sos\u00e1ky. Sp\u00ed\u0161e by mohly slou\u017eit k rozd\u011blen\u00ed zdroj\u016f mezi morfologicky diverzifikovan\u011bj\u0161\u00ed opylova\u010de a zajistit tak jejich \u0161ir\u0161\u00ed spektrum.<\/p>\n<p><strong>Pln\u00e1 citace:<\/strong>\u00a0Vla\u0161\u00e1nkov\u00e1 A., Pady\u0161\u00e1kov\u00e1 E., Barto\u0161 M., Mengual X., Jane\u010dkov\u00e1 P., Jane\u010dek \u0160. (2017)\u00a0<a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/nph.14677\/abstract\"><strong>The nectar spur is not only a simple specialization for long-proboscid pollinators<\/strong><\/a>.\u00a0<em>New Phytologist<\/em>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pr\u00e1v\u011b vych\u00e1z\u00ed studie polina\u010dn\u00edho syst\u00e9mu net\u00fdkavky\u00a0Impatiens burtonii, na kter\u00e9 se pod\u00edlela i Eli\u0161ka. Pod veden\u00edm \u0160t\u011bp\u00e1na Jane\u010dka se jej\u00ed auto\u0159i\u00a0zam\u011b\u0159ili na morfologii kv\u011btn\u00ed ostruhy a jej\u00edm napln\u011bn\u00ed nektarem v souvislosti s\u00a0morfologi\u00ed hmyz\u00edch n\u00e1v\u0161t\u011bvn\u00edk\u016f a jejich chov\u00e1n\u00edm. Rozhodli se toti\u017e ov\u011b\u0159it&hellip; <\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1820"}],"collection":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/comments?post=1820"}],"version-history":[{"count":3,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1820\/revisions"}],"predecessor-version":[{"id":1824,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1820\/revisions\/1824"}],"wp:attachment":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/media?parent=1820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/categories?post=1820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/tags?post=1820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}