{"id":8814,"date":"2024-08-02T12:21:52","date_gmt":"2024-08-02T10:21:52","guid":{"rendered":"https:\/\/www.ogrod.uw.edu.pl\/?post_type=knoweledge_base&#038;p=8814"},"modified":"2024-08-02T12:21:57","modified_gmt":"2024-08-02T10:21:57","slug":"kanianka","status":"publish","type":"knoweledge_base","link":"https:\/\/www.ogrod.uw.edu.pl\/en\/baza-wiedzy\/kanianka\/","title":{"rendered":"Kanianka"},"content":{"rendered":"\n<p><strong>Kanianka pospolita (<em>Cuscuta europaea)<\/em> <\/strong>to truj\u0105ca ro\u015blina jednoroczna. Wyst\u0119puje w Europie, w p\u00f3\u0142nocnej Afryce (Algieria) oraz na rozleg\u0142ych obszarach Azji. Kanianka pobiera od \u017cywiciela opr\u00f3cz substancji od\u017cywczych tak\u017ce wod\u0119. <\/p>\n\n\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" src=\"https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/178873289_2984627908424908_2352584881432967565_n-1.jpg\" alt=\"\" class=\"wp-image-8817\" style=\"width:409px;height:auto\" srcset=\"https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/178873289_2984627908424908_2352584881432967565_n-1.jpg 480w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/178873289_2984627908424908_2352584881432967565_n-1-225x300.jpg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\">Kanianka, <em>Cuscuta pentagona<\/em>, fot. Wikimedia Commons, K. Mahmood.<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Wyczuwanie sygna\u0142\u00f3w chemicznych wysy\u0142anych przez s\u0105siad\u00f3w jest wa\u017cn\u0105 zdolno\u015bci\u0105 ro\u015blin paso\u017cytniczych. Kanianki (<em>Cuscuta pentagona<\/em>), czyli pn\u0105ce, bezzieleniowe ro\u015bliny paso\u017cytnicze, maj\u0105 zdolno\u015b\u0107 wyczuwania swoich preferowanych gospodarzy. Kanianki b\u0119d\u0105 ros\u0142y w kierunku gospodarzy w taki spos\u00f3b, \u017ceby ostatecznie owin\u0105\u0107 si\u0119 dooko\u0142a ro\u015blin \u017cywicielskich, z kt\u00f3rych czerpi\u0105 wod\u0119 i substancje organiczne.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Kanianka pospolita (<em>Cuscuta europaea)<\/em> <\/strong>to gatunek rozpowszechniony w Polsce \u2013 od nizin po tereny g\u00f3rskie. Ro\u015bnie zw\u0142aszcza na pokrzywie, chmielu, koniczynie, ziemniakach i wierzbie.<\/p>\n\n\n\n<div style=\"height:49px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"497\" height=\"1024\" src=\"https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-497x1024.jpg\" alt=\"\" class=\"wp-image-8819\" style=\"width:459px;height:auto\" srcset=\"https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-497x1024.jpg 497w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-600x1236.jpg 600w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-146x300.jpg 146w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-768x1581.jpg 768w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n-746x1536.jpg 746w, https:\/\/www.ogrod.uw.edu.pl\/wp-content\/uploads\/2024\/08\/67469427_2450637561823948_5062955625172959232_n.jpg 777w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><figcaption class=\"wp-element-caption\">Kanianka pospolita, <em>Cuscuta europaea<\/em>, fot. W.Podstolski, Ogr\u00f3d Botaniczny UW<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Kanianka to paso\u017cyt.<\/strong> Wszystko zaczyna si\u0119 niewinnie &#8211; z nasionka wypuszcza korze\u0144, potem wyrasta blady kie\u0142ek (ani przez chwil\u0119 nie produkuje po\u017cywienia sama, na tym etapie korzysta z zapas\u00f3w z nasiona). Jego celem jest znale\u017a\u0107 ro\u015blin\u0119, na kt\u00f3r\u0105 b\u0119dzie mog\u0142a si\u0119 wspi\u0105\u0107 &#8211; wyd\u0142u\u017caj\u0105ca si\u0119 \u0142ody\u017cka si\u0119ga na r\u00f3\u017cne strony (w przyspieszeniu wygl\u0105da to jak szalony taniec). \u0141odyga kanianki dos\u0142ownie wciska si\u0119 w inn\u0105 ro\u015blin\u0119. To co\u015b jakby przyssawki, a ich naukowa nazwa <strong>to haustoria<\/strong>. To jest bardzo silny u\u015bcisk. <\/p>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Kanianka mo\u017ce wytworzy\u0107 imponuj\u0105c\u0105 siatk\u0119 d\u0142ugich, pozawijanych \u0142odyg. Li\u015bcie s\u0105 bardzo zredukowane I w\u0142a\u015bciwie tylko \u0142odyg, bo skoro nie trzeba chwyta\u0107 \u015bwiat\u0142a, by wytwarza\u0107 pokarm. Mo\u017cna sobie odpu\u015bci\u0107 posiadanie li\u015bci (s\u0105 bardzo zredukowane). <\/p>\n\n\n\n<div style=\"height:48px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>T\u0105 histori\u0105 podzieli\u0142a si\u0119 <strong>Natalia Wielechowska<\/strong> \u2192 z Pracowni Edukacji Ogrodu Botanicznego UW<\/p>\n","protected":false},"featured_media":8819,"parent":0,"template":"","meta":{"_acf_changed":false},"tags":[107,149],"knoweledge_categories":[69,148],"class_list":["post-8814","knoweledge_base","type-knoweledge_base","status-publish","has-post-thumbnail","hentry","tag-baza-wiedzy","tag-detektywistyczny-botaniczny","knoweledge_categories-cykle-edukacyjne","knoweledge_categories-detektywistyczny-botaniczny"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kanianka - Ogr\u00f3d Botaniczny Uniwersytetu Warszawskiego<\/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.ogrod.uw.edu.pl\/baza-wiedzy\/kanianka\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kanianka - Ogr\u00f3d Botaniczny Uniwersytetu Warszawskiego\" \/>\n<meta property=\"og:description\" content=\"Kanianka pospolita (Cuscuta europaea) to truj\u0105ca ro\u015blina jednoroczna. Wyst\u0119puje w Europie, w p\u00f3\u0142nocnej Afryce (Algieria) oraz na rozleg\u0142ych obszarach Azji. Kanianka pobiera od \u017cywiciela opr\u00f3cz substancji od\u017cywczych tak\u017ce wod\u0119. Wyczuwanie sygna\u0142\u00f3w chemicznych wysy\u0142anych przez s\u0105siad\u00f3w jest wa\u017cn\u0105 zdolno\u015bci\u0105 ro\u015blin paso\u017cytniczych. Kanianki (Cuscuta pentagona), czyli pn\u0105ce, bezzieleniowe ro\u015bliny paso\u017cytnicze, maj\u0105 zdolno\u015b\u0107 wyczuwania swoich preferowanych gospodarzy. 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