{"id":4531,"date":"2025-08-19T18:58:21","date_gmt":"2025-08-19T16:58:21","guid":{"rendered":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=4531"},"modified":"2025-08-19T21:32:24","modified_gmt":"2025-08-19T19:32:24","slug":"koprivy-zname-i-nezname","status":"publish","type":"post","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=4531","title":{"rendered":"Kop\u0159ivy zn\u00e1m\u00e9 i nezn\u00e1m\u00e9"},"content":{"rendered":"\n<p>V Botanick\u00e9 zahrad\u011b T\u0159ebo\u0148 najdete nejen b\u011b\u017en\u011b zn\u00e1mou <strong>kop\u0159ivu dvoudomou (<em>Urtica dioica<\/em>)<\/strong>, kter\u00e1 se v zahrad\u011b objevuje samovoln\u011b jako pleveln\u00e1 rostlina, ale tak\u00e9 vz\u00e1cn\u00e9 a m\u00e9n\u011b zn\u00e1m\u00e9 druhy, kter\u00e9 maj\u00ed v\u00fdznam pro ochranu p\u0159\u00edrody i botanick\u00fd v\u00fdzkum. Mezi nimi je i\u00a0<strong>kop\u0159iva lu\u017en\u00ed (<em>Urtica kioviensis<\/em>)<\/strong>, kriticky ohro\u017een\u00fd druh kv\u011bteny \u010cesk\u00e9 republiky. Od kop\u0159ivy dvoudom\u00e9 se li\u0161\u00ed zejm\u00e9na jednodomost\u00ed a srostl\u00fdmi palisty v horn\u00ed \u010d\u00e1sti lodyhy. V p\u0159\u00edrod\u011b se vyskytuje u\u017e jen na n\u011bkolika posledn\u00edch lokalit\u00e1ch a jej\u00ed populace rychle miz\u00ed. Proto\u017ee se tento druh zat\u00edm b\u011b\u017en\u011b nep\u011bstuje ani v botanick\u00fdch zahrad\u00e1ch a jeho kultivace b\u00fdv\u00e1 ozna\u010dov\u00e1na jako obt\u00ed\u017en\u00e1, sna\u017e\u00edme se v T\u0159eboni zjistit co nejv\u00edce o jeho p\u011bstitelsk\u00fdch n\u00e1roc\u00edch. C\u00edlem je vytvo\u0159it z\u00e1lo\u017en\u00ed populaci pro p\u0159\u00edpad, \u017ee by do\u0161lo k z\u00e1niku p\u0159irozen\u00fdch lokalit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-attachment-id=\"4532\" data-permalink=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/?attachment_id=4532\" data-orig-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137.jpg\" data-orig-size=\"1920,1282\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;13&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D750&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1754411874&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;105&quot;,&quot;iso&quot;:&quot;1600&quot;,&quot;shutter_speed&quot;:&quot;0.0025&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"aDSC_0940_250805_1137\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-1024x684.jpg\" src=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-1024x684.jpg\" alt=\"\" class=\"wp-image-4532\" srcset=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-1024x684.jpg 1024w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-300x200.jpg 300w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-768x513.jpg 768w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137-1536x1026.jpg 1536w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0940_250805_1137.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">  <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-attachment-id=\"4533\" data-permalink=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/?attachment_id=4533\" data-orig-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139.jpg\" data-orig-size=\"1920,1282\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;13&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D750&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1754411948&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;105&quot;,&quot;iso&quot;:&quot;1600&quot;,&quot;shutter_speed&quot;:&quot;0.003125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"aDSC_0951_250805_1139\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-1024x684.jpg\" src=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-1024x684.jpg\" alt=\"\" class=\"wp-image-4533\" srcset=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-1024x684.jpg 1024w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-300x200.jpg 300w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-768x513.jpg 768w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139-1536x1026.jpg 1536w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0951_250805_1139.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">  <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-attachment-id=\"4534\" data-permalink=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/?attachment_id=4534\" data-orig-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136.jpg\" data-orig-size=\"1920,1282\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;6.3&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D750&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1751393181&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;105&quot;,&quot;iso&quot;:&quot;1600&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"aDSC_8753_250701_1136\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-1024x684.jpg\" src=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-1024x684.jpg\" alt=\"\" class=\"wp-image-4534\" srcset=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-1024x684.jpg 1024w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-300x200.jpg 300w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-768x513.jpg 768w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136-1536x1026.jpg 1536w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_8753_250701_1136.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">  <\/figcaption><\/figure>\n\n\n\n<p>Letos je v zahrad\u011b k vid\u011bn\u00ed tak\u00e9&nbsp;<strong>kop\u0159iva kulkonosn\u00e1 (<em>Urtica pilulifera<\/em>)<\/strong>, zn\u00e1m\u00e1 jako \u0159\u00edmsk\u00e1 kop\u0159iva. Tento druh poch\u00e1z\u00ed z ji\u017en\u00ed Evropy a je zaj\u00edmav\u00fd sv\u00fdmi kulovit\u00fdmi kv\u011btenstv\u00edmi, kter\u00e1 mu dala jm\u00e9no. M\u00e1 v\u00fdrazn\u00e9 \u017eahav\u00e9 chlupy a v minulosti se vyu\u017e\u00edval v tradi\u010dn\u00ed medic\u00edn\u011b jako diuretikum a prost\u0159edek proti krv\u00e1cen\u00ed. Byl tak\u00e9 p\u011bstov\u00e1n pro olejnat\u00e1 semena, z nat\u011b se z\u00edsk\u00e1valo zelen\u00e9 barvivo a z ko\u0159en\u016f barvivo \u017elut\u00e9.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" data-attachment-id=\"4536\" data-permalink=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/?attachment_id=4536\" data-orig-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145.jpg\" data-orig-size=\"1280,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;9&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D750&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1682959151&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;120&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.004&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"aDSC_7145\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-683x1024.jpg\" src=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-683x1024.jpg\" alt=\"\" class=\"wp-image-4536\" srcset=\"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-683x1024.jpg 683w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-200x300.jpg 200w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-768x1152.jpg 768w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145-1024x1536.jpg 1024w, https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7145.jpg 1280w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><figcaption class=\"wp-element-caption\">  <\/figcaption><\/figure>\n<\/div>\n\n\n<p>V minul\u00fdch letech jsme v kultu\u0159e p\u011bstovali tak\u00e9&nbsp;<strong>kop\u0159ivu \u017eahavku (<em>Urtica urens<\/em>)<\/strong>, jednolet\u00fd druh s drobn\u011bj\u0161\u00edmi listy, kter\u00fd je zn\u00e1m\u00fd siln\u011bj\u0161\u00edm \u017eahav\u00fdm \u00fa\u010dinkem ne\u017e b\u011b\u017en\u00e1 kop\u0159iva dvoudom\u00e1. Tento druh je roz\u0161\u00ed\u0159en\u00fd v Eurasii.<\/p>\n\n\n\n<p>Kop\u0159ivy jsou jako l\u00e9\u010div\u00e9 a jedl\u00e9 rostliny vyu\u017e\u00edv\u00e1ny u\u017e od nepam\u011bti \u2013 nap\u0159\u00edklad do sal\u00e1t\u016f nebo jako jarn\u00ed zelenina. Vytrval\u00e9 druhy, zejm\u00e9na kop\u0159iva dvoudom\u00e1 a kop\u0159iva kulkonosn\u00e1, byly v minulosti vyu\u017e\u00edv\u00e1ny tak\u00e9 pro v\u00fdrobu provaz\u016f a pap\u00edru. Jejich vl\u00e1kna se z\u00edsk\u00e1vaj\u00ed ze stonk\u016f a zpracov\u00e1vaj\u00ed podobn\u011b jako len nebo konop\u00ed. Textilie z kop\u0159ivov\u00fdch vl\u00e1ken se za\u010daly vyr\u00e1b\u011bt pravd\u011bpodobn\u011b p\u0159ed v\u00edce ne\u017e 3000 lety a ve st\u0159edov\u011bku se pou\u017e\u00edvaly nap\u0159\u00edklad na lodn\u00ed plachty a lana. Ve 20. stolet\u00ed se kop\u0159ivy p\u011bstovaly i ve v\u011bt\u0161\u00edm m\u011b\u0159\u00edtku \u2013 nap\u0159\u00edklad v N\u011bmecku b\u011bhem obou sv\u011btov\u00fdch v\u00e1lek jako n\u00e1hrada za bavlnu.<\/p>\n\n\n\n<p>Kop\u0159ivov\u00e1 vl\u00e1kna jsou odoln\u00e1 proti od\u011bru, maj\u00ed vy\u0161\u0161\u00ed pevnost za mokra ne\u017e za sucha a byly vyu\u017e\u00edv\u00e1ny nejen pro textilie, ale i pro v\u00fdrobu pap\u00edru a jako p\u0159\u00edrodn\u00ed barvivo. V dne\u0161n\u00ed dob\u011b se chlorofyl z kop\u0159iv pou\u017e\u00edv\u00e1 jako potravin\u00e1\u0159sk\u00e9 barvivo a kop\u0159iva nach\u00e1z\u00ed uplatn\u011bn\u00ed ve farmacii i kosmetice. V p\u0159\u00edrod\u011b jsou n\u011bkter\u00e9 druhy kop\u0159iv \u017eivn\u00fdmi rostlinami pro mot\u00fdly \u2013 nap\u0159\u00edklad&nbsp;babo\u010dku kop\u0159ivovou&nbsp;nebo&nbsp;babo\u010dku admir\u00e1l.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V Botanick\u00e9 zahrad\u011b T\u0159ebo\u0148 najdete nejen b\u011b\u017en\u011b zn\u00e1mou kop\u0159ivu dvoudomou (Urtica dioica), kter\u00e1 se v zahrad\u011b objevuje samovoln\u011b jako pleveln\u00e1&hellip; <\/p>\n","protected":false},"author":1,"featured_media":4535,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[38],"tags":[],"class_list":["post-4531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nezarazene-cs"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_0336_250805_1053.jpg","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8pa9i-1b5","jetpack-related-posts":[{"id":4656,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=4656","url_meta":{"origin":4531,"position":0},"title":"Koniklec jarn\u00ed v Botanick\u00e9 zahrad\u011b T\u0159ebo\u0148","author":"Jana Navr\u00e1tilov\u00e1","date":"23 b\u0159ezna, 2026","format":false,"excerpt":"V botanick\u00e9 zahrad\u011b v T\u0159eboni je pr\u00e1v\u011b te\u010f mo\u017en\u00e9 spat\u0159it jeden z nejvz\u00e1cn\u011bj\u0161\u00edch druh\u016f \u010desk\u00e9 kv\u011bteny \u2013 koniklec jarn\u00ed (Pulsatilla vernalis), kriticky ohro\u017een\u00fd taxon, kter\u00fd v na\u0161\u00ed republice u\u017e p\u0159e\u017e\u00edv\u00e1 jen na dvou lokalit\u00e1ch. Rostliny, kter\u00e9 p\u011bstujeme, n\u00e1le\u017e\u00ed k var. vernalis, tedy k form\u011b p\u0159irozen\u011b se vyskytuj\u00edc\u00ed na T\u0159ebo\u0148sku. Na\u0161\u00ed\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2026\/03\/aDSC_8199_260317_3704.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":4158,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=4158","url_meta":{"origin":4531,"position":1},"title":"Ex situ z\u00e1chrana posledn\u00ed jiho\u010desk\u00e9 populace koh\u00e1tky kal\u00ed\u0161kat\u00e9 (Tofieldia calyculata) je na dobr\u00e9 cest\u011b","author":"Jana Navr\u00e1tilov\u00e1","date":"24 \u010dervence, 2024","format":false,"excerpt":"Ve spolupr\u00e1ci s Agenturou ochrany p\u0159\u00edrody a krajiny \u010cR se sna\u017e\u00edme o z\u00e1chranu posledn\u00ed jiho\u010desk\u00e9 populace koh\u00e1tky kal\u00ed\u0161kat\u00e9 (Tofieldia calyculata) v P\u0159\u00edrodn\u00ed rezervaci Kralovick\u00e9 louky (okr. Prachatice). P\u016fvodn\u011b na \u00fazem\u00ed ji\u017en\u00edch \u010cech existovalo 13-18 lokalit (Grulich, 2011), ale v\u0161echny ostatn\u00ed byly zni\u010deny melioracemi nebo na nich konkuren\u010dn\u011b velmi slab\u00fd druh\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2024\/07\/aDSC_2988_.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":2665,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=2665","url_meta":{"origin":4531,"position":2},"title":"8. Setk\u00e1n\u00ed Pracovn\u00ed skupiny pro genofondy v botanick\u00fdch zahrad\u00e1ch \u010cR prob\u011bhlo 16. 6. 2020 v T\u0159eboni","author":"Jana Navr\u00e1tilov\u00e1","date":"20 \u010dervna, 2020","format":false,"excerpt":"V \u00fater\u00fd 16. 6. 2020 prob\u011bhlo ji\u017e 8. zased\u00e1n\u00ed Pracovn\u00ed skupiny pro genofondy v botanick\u00fdch zahrad\u00e1ch \u010cR. Tentokr\u00e1te byla hostitelem na\u0161e botanick\u00e1 zahrada. Jedn\u00e1n\u00ed prob\u011bhlo za \u00fa\u010dasti z\u00e1stupc\u016f botanick\u00fdch zahrad \u010cesk\u00e9 republiky a Agentury ochrany p\u0159\u00edrody a krajiny. Jedn\u00e1n\u00ed prob\u00edhalo v zasedac\u00ed m\u00edstnosti Botanick\u00e9ho \u00fastavu, v.v.i. Na programu byly p\u0159edev\u0161\u00edm\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"Botanick\u00e1 zahrada T\u0159ebo\u0148","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2020\/06\/aDSC_9550.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":681,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=681","url_meta":{"origin":4531,"position":3},"title":"Botanick\u00e1 zahrada","author":"Jana Navr\u00e1tilov\u00e1","date":"24 \u010dervence, 2017","format":false,"excerpt":"Aktualizov\u00e1no 17. 3. 2025 \u010c\u00e1st Sb\u00edrky je p\u0159\u00edstupn\u00e1 ve\u0159ejnosti a jako botanick\u00e1 zahrada slou\u017e\u00ed k pou\u010den\u00ed, odpo\u010dinku a pot\u011b\u0161en\u00ed smysl\u016f p\u0159irozenou kr\u00e1sou rostlin. Expozice na\u0161\u00ed botanick\u00e9 zahrady zahrnuje v\u00edce ne\u017e 1000 populac\u00ed druh\u016f vodn\u00edch a mok\u0159adn\u00edch rostlin (seznam s fotografiemi). V\u011bt\u0161ina z nich poch\u00e1z\u00ed ze st\u0159edn\u00ed Evropy. Ve Sb\u00edrce pe\u010dujeme\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2017\/07\/garden.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":3656,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=3656","url_meta":{"origin":4531,"position":4},"title":"Metodika ex situ zachov\u00e1n\u00ed genofondu ohro\u017een\u00fdch jednolet\u00fdch vlhkomiln\u00fdch bylin miner\u00e1ln\u011b bohat\u00fdch substr\u00e1t\u016f","author":"Jana Navr\u00e1tilov\u00e1","date":"13 b\u0159ezna, 2023","format":false,"excerpt":"Botanick\u00e1 zahrada T\u0159ebo\u0148 Botanick\u00e9ho \u00fastavu AV \u010cR, v.v.i. p\u0159ipravila vzorovou certifikovanou metodiku (Certifika\u010dn\u00ed \u00fa\u0159ad: Ministerstvo \u017eivotn\u00edho prost\u0159ed\u00ed, \u010c\u00edslo: MZP\/2022\/630\/2738) pro pr\u00e1ci s genofondy ohro\u017een\u00fdch rostlin v podm\u00ednk\u00e1ch botanick\u00fdch zahrad, kter\u00e1 je ur\u010dena v\u0161em z\u00e1jemc\u016fm, instituc\u00edm, organizac\u00edm a podnik\u016fm, kter\u00e9 se v\u011bnuj\u00ed p\u011bstov\u00e1n\u00ed ohro\u017een\u00fdch rostlin kv\u011bteny \u010cesk\u00e9 republiky. Metodika je ke\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2023\/03\/Samolus_valerandi_JN_22.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":4572,"url":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?p=4572","url_meta":{"origin":4531,"position":5},"title":"Nov\u00e9 druhy v expozici vodn\u00edch a bahenn\u00edch rostlin","author":"Jana Navr\u00e1tilov\u00e1","date":"19 srpna, 2025","format":false,"excerpt":"Botanick\u00e1 zahrada T\u0159ebo\u0148 roz\u0161\u00ed\u0159ila svou expozici vodn\u00edch a bahenn\u00edch rostlin o n\u011bkolik zaj\u00edmav\u00fdch druh\u016f, kter\u00e9 poch\u00e1zej\u00ed ze Severn\u00ed a Ji\u017en\u00ed Ameriky, Austr\u00e1lie a jihov\u00fdchodn\u00ed Asie. Tyto rostliny nejsou b\u011b\u017en\u011b k vid\u011bn\u00ed v \u010desk\u00fdch zahrad\u00e1ch a p\u0159edstavuj\u00ed cenn\u00e9 obohacen\u00ed sb\u00edrky. Nov\u011b m\u016f\u017eete obdivovat\u00a0Pontederia azurea\u00a0(d\u0159\u00edve\u00a0Eichhornia azurea), elegantn\u00ed vodn\u00ed rostlinu s n\u00e1padn\u00fdmi modrofialov\u00fdmi\u2026","rel":"","context":"V \u201eNeza?azen?\u201c","block_context":{"text":"Neza?azen?","link":"https:\/\/www.butbn.cas.cz\/sbirkavk\/?cat=38"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.butbn.cas.cz\/sbirkavk\/wp-content\/uploads\/2025\/08\/aDSC_7016_250617_1118.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/posts\/4531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4531"}],"version-history":[{"count":4,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/posts\/4531\/revisions"}],"predecessor-version":[{"id":4604,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/posts\/4531\/revisions\/4604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=\/wp\/v2\/media\/4535"}],"wp:attachment":[{"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.butbn.cas.cz\/sbirkavk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}