{"id":391527,"date":"2019-01-24T08:32:13","date_gmt":"2019-01-24T07:32:13","guid":{"rendered":"https:\/\/hudo.com\/si\/2019\/01\/24\/ste-vedeli-da-rastline-lahko-slisijo-brencanje-cebel\/"},"modified":"2019-01-24T08:32:13","modified_gmt":"2019-01-24T07:32:13","slug":"ste-vedeli-da-rastline-lahko-slisijo-brencanje-cebel","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/zabava\/ste-vedeli-da-rastline-lahko-slisijo-brencanje-cebel\/","title":{"rendered":"Ste vedeli, da rastline lahko sli\u0161ijo bren\u010danje \u010debel?"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" \/><figcaption>Foto: Profimedia<\/figcaption><\/figure>\n<p>Bren\u010danje \u010debel ali metuljev spodbuja dolo\u010dene cvetlice, da proizvajajo bolj sladek nektar, so po poro\u010danju nem\u0161ke tiskovne agencije dpa ugotovili izraelski znanstveniki.<\/p>\n<p>Pod drobnogled so vzeli ro\u017ee iz rodu svetlinovk z znanstvenim imenom Oenothera drummondii. &#8220;Na\u0161i rezultati so prvi\u010d pokazali, da se lahko rastline hitro odzovejo na zvok opra\u0161evalcev,&#8221; so znanstveniki z univerze v Tel Avivu pod vodstvom Marine Veits zapisali v raziskavi. Povpre\u010dna koncentracija sladkorja v nektarju se je v treh minutah pove\u010dala za pribli\u017eno 20 odstotkov.<\/p>\n<p>Utripi kril lete\u010dih opra\u0161evalcev po teh ugotovitvah ustvarjajo zvo\u010dne valove, ki se hitro \u0161irijo po zraku. &#8220;Dokazali smo, da zvoki opra\u0161evalcev in umetni zvoki z enakimi frekvencami povzro\u010dajo vibracije cvetnih listov in spro\u017eajo hiter odziv &#8211; pove\u010danje koncentracije sladkorja v nektarju rastline,&#8221; pi\u0161e v raziskavi. To ka\u017ee, da obstaja mehanizem, po katerem cvetovi rastlinam slu\u017eijo kot slu\u0161ni organ, so dodali.<\/p>\n<p>Znanstveniki so posneli zvoke \u010debel in metuljev, nato pa te posnetke ter posnetke z enakimi in druga\u010dnimi frekvencami preverili na ve\u010d kot 650 rastlinah iz rodu svetlinovk. Pred in po predvajanju zvokov so preverili vsebnost nektarja v ro\u017eah.<\/p>\n<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" \/><figcaption>Foto: Profimedia<\/figcaption><\/figure>\n<p>Velika ve\u010dina ro\u017e je za lastno razmno\u017eevanje odvisna od \u017eivalskih opra\u0161evalcev, kot so \u010debele ali metulji. Zato je za njihovo pre\u017eivetje bistvenega pomena, da so v navzo\u010dnosti tak\u0161nih opra\u0161evalcev \u0161e posebej privla\u010dne, slaj\u0161i nektar pa slu\u017ei ravno temu: isto ali drugo \u010debelo lahko spodbudi, da \u0161e enkrat prileti na cvet, so znanstveniki zapisali v strokovnem \u010dlanku, ki je \u017ee dostopen na spletu, a \u0161e ni bil objavljen v kak\u0161ni strokovni reviji.<\/p>\n<p>Raziskava je poleg tega pokazala, da lahko na rastline vplivajo tudi zvoki, ki jih povzro\u010da \u010dlovek, so \u0161e zapisali znanstveniki. Prav tako se lahko s &#8220;sposobnostjo, da sli\u0161ijo&#8221;, odzivajo na rastlinojede ali druge \u017eivali.<\/p>\n<p>Da se rastline odzivajo na zvoke, so sicer ugotovile \u017ee tudi druge raziskave. \u017de pred nekaj leti so ameri\u0161ki znanstveniki poro\u010dali, da navadni repnjakovec spro\u017ei svoje kemi\u010dne obrambne mehanizme proti \u0161kodljivcem, ko zazna zvoke \u017eve\u010denja gosenic. Leta 2017 pa je bila objavljena raziskava, ki je pokazala, da lahko grah zazna zvoke teko\u010de vode in s tem uskladi smer rasti svojih korenin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u017divali lahko sli\u0161ijo, zakaj torej ne tudi rastline? To vpra\u0161anje so si zastavili izraelski znanstveniki in pri\u0161li do ugotovitve, da se lahko ro\u017ee na bren\u010danje \u010debel v nekaj minutah odzovejo s slaj\u0161im nektarjem. Posebno vlogo pri tem imajo cvetni listi.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1095],"tags":[2835,5117],"source":[1351,1466,1334],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ste vedeli, da rastline lahko sli\u0161ijo bren\u010danje \u010debel? - Hudo Slovenija<\/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:\/\/hudo.com\/si\/zabava\/ste-vedeli-da-rastline-lahko-slisijo-brencanje-cebel\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ste vedeli, da rastline lahko sli\u0161ijo bren\u010danje \u010debel? - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"\u017divali lahko sli\u0161ijo, zakaj torej ne tudi rastline? To vpra\u0161anje so si zastavili izraelski znanstveniki in pri\u0161li do ugotovitve, da se lahko ro\u017ee na bren\u010danje \u010debel v nekaj minutah odzovejo s slaj\u0161im nektarjem. 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