{"id":11,"date":"2024-04-04T08:54:50","date_gmt":"2024-04-04T05:54:50","guid":{"rendered":"https:\/\/sisu.ut.ee\/biopohikool\/36-vars\/"},"modified":"2024-04-04T08:56:58","modified_gmt":"2024-04-04T05:56:58","slug":"36-vars","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/biopohikool\/36-vars\/","title":{"rendered":"3.6. VARS"},"content":{"rendered":"<h4>\n\t3.6.1. Missugused \u00fclesanded on vartel?\u00a0<br>\n<\/h4>\n<ul>\n<li>\n\t\t\u00a0Toestab taime\n\t<\/li>\n<li>\n\t\t\u00a0Kannab fotos\u00fcnteesivaid lehti ja paljunemisorganeid ning suunab neid \u00fclespoole\n\t<\/li>\n<li>\n\t\t\u00a0\u00dchendab juuri lehtede ja \u00f5itega ning transpordib vett ja selles lahustunud\u00a0 aineid \u00fchest taimeosast teise.\n\t<\/li>\n<\/ul>\n<h4>\n\t3.6.2. Millised on taimede varred?\u00a0<br>\n<\/h4>\n<p>\n\tErinevad varret\u00fc\u00fcbid:\n<\/p>\n<ul>\n<li>\n\t\tpuitunud vars \u2013 m\u00e4nd, kask, kuusk\n\t<\/li>\n<li>\n\t\trohtne ja p\u00fcstine vars \u2013 m\u00f5\u00f5l, karikakar\n\t<\/li>\n<li>\n\t\tv\u00e4\u00e4nduv vars \u2013 seatapp\n\t<\/li>\n<li>\n\t\troniv vars \u2013 luuderohi\n\t<\/li>\n<li>\n\t\troomav vars \u2013 hanijalg\n\t<\/li>\n<li>\n\t\tmuundunud vars\/v\u00f5su (mugul) \u2013 kartul\n\t<\/li>\n<li>\n\t\tmuundunud vars\/v\u00f5su (sibul) \u2013 tulp, k\u00fc\u00fcslauk\n\t<\/li>\n<li>\n\t\trisoom, maa- alune vars \u2013 v\u00f5sa\u00fclane, naat, orashein<br>\u00a0\n\t<\/li>\n<\/ul>\n<h4>\n\t3.6.3. Milline on varre ehitus?<br>\n<\/h4>\n<p>\n\tVart katab kattekude (koor), mille all asub niineosa ja keskele j\u00e4\u00e4b puiduosa. Niine- ja puiduosa vahel asub kambium.\u00a0\u00a0<strong>Kambiumirakkude<\/strong>\u00a0jagunemise tulemusena taime vars v\u00f5i oks j\u00e4meneb.\n<\/p>\n<p>\n\t<img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"403\" class=\"alignnone wp-image-163\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/varre_ehitus.png\" title=\"varre_ehitus.png\" alt=\"Varre ehitus\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/varre_ehitus.png 865w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/varre_ehitus-300x140.png 300w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/varre_ehitus-768x358.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\">\n<\/p>\n<p>\n\tJoonis 16. Varre ehitus.\n<\/p>\n<p>\n\t\u00a0\n<\/p>\n<h4>\n\t3.6.4. Kuidas moodustuvad aastar\u00f5ngad?\u00a0<br>\n<\/h4>\n<p>\n\tKambiumirakkude eba\u00fchtlasest jagunemisest tekivad aastar\u00f5ngad.\u00a0 Kevadel, kui vett ja toitaineid on k\u00fclluses, tekitavad kambiumirakud suure l\u00e4bim\u00f5\u00f5duga puidurakke. Varre ristl\u00f5igul paistab see osa puidust heledana.\n<\/p>\n<p>\n\tSuve l\u00f5pus ja s\u00fcgisel tekitab kambium v\u00e4ikese l\u00e4bim\u00f5\u00f5duga puidurakke, mis ristl\u00f5igul on n\u00e4htavad tumedana.\n<\/p>\n<p>\n\tKui ei ole aastaaegu, ei teki puudel ka aastaringe, n\u00e4iteks vihmametsas.\u00a0\n<\/p>\n<table class=\"table table-hover\" border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<td>\n\t\t\t\t\u00a0\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u00a0\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u00a0\n\t\t\t<\/td>\n<td>\n<p>\n\t\t\t\t\t<span>\u00a0<\/span>\u00a0\n\t\t\t\t<\/p>\n<p>\n\t\t\t\t\t<br>Aastar\u00f5ngaste j\u00e4rgi saab m\u00e4\u00e4rata puu vanust\n\t\t\t\t<\/p>\n<p>\n\t\t\t\t\t\u00a0\n\t\t\t\t<\/p>\n<\/td>\n<td>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"305\" class=\"alignnone wp-image-164\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/aastarongad.png\" title=\"aastarongad.png\" alt=\"Aastar\u00f5ngad\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/aastarongad.png 345w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/648\/aastarongad-300x265.png 300w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\">\n\t\t\t<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n\t<\/tbody>\n<\/table>\n<p>Joonis 17. Aastar\u00f5ngad<\/p>\n<p>\n\t\u00a0\n<\/p>\n<h4>\n\t3.6.5. Kuidas ained varres liiguvad?\u00a0<br>\n<\/h4>\n<p>\n\tM\u00f6\u00f6da varre\u00a0<strong>niineosa\u00a0<\/strong>kulgeb\u00a0<strong>laskuv vool<\/strong>, see t\u00e4hendab, et fotos\u00fcnteesil moodustunud orgaanilised ained liiguvad lehtedest teistesse taimeosadesse.\n<\/p>\n<p>\n\tM\u00f6\u00f6da\u00a0<strong>puiduosa<\/strong>\u00a0kulgeb\u00a0<strong>t\u00f5usev vool,\u00a0<\/strong>\u00a0see t\u00e4hendab, et vesi koos selles lahustunud ainetega liigub juurtest \u00fclespoole muudesse taimeosadesse.\n<\/p>\n<h4>\n\tVaata videot:<br>\n<\/h4>\n<p><\/p><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>3.6.1. Missugused \u00fclesanded on vartel?\u00a0 \u00a0Toestab taime \u00a0Kannab fotos\u00fcnteesivaid lehti ja paljunemisorganeid ning suunab neid \u00fclespoole \u00a0\u00dchendab juuri lehtede ja \u00f5itega ning transpordib vett ja selles lahustunud\u00a0 aineid \u00fchest taimeosast teise. 3.6.2. Millised on taimede varred?\u00a0 Erinevad varret\u00fc\u00fcbid: puitunud vars &#8230;<\/p>\n","protected":false},"author":345,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-11","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/pages\/11","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/users\/345"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/comments?post=11"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/pages\/11\/revisions"}],"predecessor-version":[{"id":629,"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/pages\/11\/revisions\/629"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/biopohikool\/wp-json\/wp\/v2\/media?parent=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}