{"id":1259,"date":"2024-04-19T13:48:18","date_gmt":"2024-04-19T11:48:18","guid":{"rendered":"https:\/\/www.ibot.cas.cz\/botanika\/?p=1259"},"modified":"2024-10-24T11:44:36","modified_gmt":"2024-10-24T09:44:36","slug":"sasanko-proc-mas-tak-velke-oddenky","status":"publish","type":"post","link":"https:\/\/www.ibot.cas.cz\/botanika\/?p=1259","title":{"rendered":"Sasanko, pro\u010d m\u00e1\u0161 tak velk\u00e9 oddenky?"},"content":{"rendered":"<p>V m\u00edrn\u00e9m klimatick\u00e9m p\u00e1smu je v\u011bt\u0161ina bylin vytrval\u00e1. Na rozd\u00edl od strom\u016f a ke\u0159\u016f vytrval\u00fdm bylin\u00e1m zpravidla p\u0159ed za\u010d\u00e1tkem zimn\u00edho obdob\u00ed odum\u00edraj\u00ed nadzemn\u00ed stonky. Vytrval\u00e9 byliny tak mus\u00ed pravideln\u011b obnovovat sv\u00e1 nadzemn\u00ed pletiva po mraziv\u00e9 zim\u011b, n\u011bkdy ale i po dlouh\u00e9m suchu, po po\u0161kozen\u00ed okusem, po\u017e\u00e1rem nebo po pokosen\u00ed. Ukl\u00e1daj\u00ed si proto z\u00e1sobn\u00ed l\u00e1tky, ze kter\u00fdch tvo\u0159\u00ed novou nadzemn\u00ed biomasu, do specializovan\u00fdch podzemn\u00edch org\u00e1n\u016f. N\u011bkter\u00e9 tyto z\u00e1sobn\u00ed org\u00e1ny bylin b\u011b\u017en\u011b vyu\u017e\u00edv\u00e1me jako zeleninu nebo ko\u0159en\u00ed: j\u00edme r\u016fzn\u00e9 cibule, hl\u00edzy (brambory) nebo oddenky (z\u00e1zvor). Podobn\u00e9 z\u00e1sobn\u00ed org\u00e1ny m\u00e1 i \u0159ada lu\u010dn\u00edch a lesn\u00edch rostlin \u2013 ve st\u0159edn\u00ed Evrop\u011b v\u00edce ne\u017e polovina v\u0161ech vytrval\u00fdch bylin. N\u00e1\u0161 v\u00fdzkum se zam\u011b\u0159il na byliny ukl\u00e1daj\u00edc\u00ed z\u00e1soby do oddenk\u016f. V\u011bd\u011bli jsme, \u017ee u r\u016fzn\u00fdch druh\u016f jsou oddenky r\u016fzn\u011b velk\u00e9 a zaj\u00edmalo n\u00e1s, o \u010dem tyto rozd\u00edly ve velikosti vypov\u00eddaj\u00ed.<\/p>\n<p><a href=\"https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1260\" src=\"https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-300x200.jpg\" alt=\"Sasanka hajn\u00ed (Anemone nemorosa). Foto A. Ku\u010derov\u00e1\" width=\"900\" height=\"600\" srcset=\"https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-300x200.jpg 300w, https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-1024x683.jpg 1024w, https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-768x512.jpg 768w, https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-1536x1024.jpg 1536w, https:\/\/www.ibot.cas.cz\/botanika\/wp-content\/uploads\/sites\/19\/2024\/04\/anemone-nemorosa_na-vymenu-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<p>Sasanka hajn\u00ed (<em>Anemone nemorosa<\/em>). Foto A. Ku\u010derov\u00e1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V m\u00edrn\u00e9m klimatick\u00e9m p\u00e1smu je v\u011bt\u0161ina bylin vytrval\u00e1. Na rozd\u00edl od strom\u016f a ke\u0159\u016f vytrval\u00fdm bylin\u00e1m zpravidla p\u0159ed za\u010d\u00e1tkem zimn\u00edho obdob\u00ed odum\u00edraj\u00ed nadzemn\u00ed stonky. Vytrval\u00e9 byliny tak mus\u00ed pravideln\u011b obnovovat sv\u00e1 nadzemn\u00ed pletiva po mraziv\u00e9 zim\u011b, n\u011bkdy ale i po dlouh\u00e9m suchu, po po\u0161kozen\u00ed okusem, po\u017e\u00e1rem nebo po pokosen\u00ed. Ukl\u00e1daj\u00ed si proto z\u00e1sobn\u00ed l\u00e1tky, ze [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1261,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[688],"tags":[],"class_list":["post-1259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2024-1"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/1259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1259"}],"version-history":[{"count":2,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/1259\/revisions"}],"predecessor-version":[{"id":1263,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/posts\/1259\/revisions\/1263"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=\/wp\/v2\/media\/1261"}],"wp:attachment":[{"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/botanika\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}