{"id":612,"date":"2026-07-03T12:11:54","date_gmt":"2026-07-03T09:11:54","guid":{"rendered":"https:\/\/www.topcz.top\/?p=612"},"modified":"2026-07-03T12:11:54","modified_gmt":"2026-07-03T09:11:54","slug":"spodni-listy-rajcat-a-okurek-zloutnou-mezi-zilkami-tento-nenapadny-priznak-casto-upozornuje-na-nedostatek-horciku","status":"publish","type":"post","link":"https:\/\/www.topcz.top\/?p=612","title":{"rendered":"Spodn\u00ed listy raj\u010dat a okurek \u017eloutnou mezi \u017eilkami? Tento nen\u00e1padn\u00fd p\u0159\u00edznak \u010dasto upozor\u0148uje na nedostatek ho\u0159\u010d\u00edku"},"content":{"rendered":"\n<p>P\u0159i p\u011bstov\u00e1n\u00ed raj\u010dat a okurek si mnoho zahr\u00e1dk\u00e1\u0159\u016f v\u0161imne, \u017ee <strong>spodn\u00ed listy za\u010d\u00ednaj\u00ed \u017eloutnout, zat\u00edmco \u017eilky z\u016fst\u00e1vaj\u00ed zelen\u00e9<\/strong>. Tento jev se naz\u00fdv\u00e1 <strong>intervein\u00e1ln\u00ed chlor\u00f3za<\/strong> a \u010dasto b\u00fdv\u00e1 jedn\u00edm z prvn\u00edch p\u0159\u00edznak\u016f <strong>nedostatku ho\u0159\u010d\u00edku<\/strong>. Pokud probl\u00e9m v\u010das rozpozn\u00e1te a odstran\u00edte, m\u016f\u017eete p\u0159edej\u00edt zpomalen\u00ed r\u016fstu i sn\u00ed\u017een\u00ed \u00farody.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je ho\u0159\u010d\u00edk pro rostliny tak d\u016fle\u017eit\u00fd?<\/h2>\n\n\n\n<p>Ho\u0159\u010d\u00edk je jedn\u00edm z kl\u00ed\u010dov\u00fdch prvk\u016f pro zdrav\u00fd v\u00fdvoj rostlin. Je sou\u010d\u00e1st\u00ed chlorofylu \u2013 zelen\u00e9ho barviva, kter\u00e9 umo\u017e\u0148uje fotosynt\u00e9zu. Bez dostatku ho\u0159\u010d\u00edku rostlina nedok\u00e1\u017ee efektivn\u011b vytv\u00e1\u0159et energii pot\u0159ebnou pro r\u016fst, kveten\u00ed a tvorbu plod\u016f.<\/p>\n\n\n\n<p>Nedostatek tohoto prvku se nej\u010dast\u011bji projev\u00ed nejprve na star\u0161\u00edch spodn\u00edch listech.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak poznat nedostatek ho\u0159\u010d\u00edku?<\/h2>\n\n\n\n<p>Mezi typick\u00e9 p\u0159\u00edznaky pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u017eloutnut\u00ed pletiva mezi \u017eilkami,<\/li>\n\n\n\n<li>zelen\u00e9 \u017eilky na jinak \u017elut\u00fdch listech,<\/li>\n\n\n\n<li>postupn\u00e9 hn\u011bdnut\u00ed okraj\u016f list\u016f,<\/li>\n\n\n\n<li>p\u0159ed\u010dasn\u00e9 zasych\u00e1n\u00ed star\u0161\u00edch list\u016f,<\/li>\n\n\n\n<li>pomalej\u0161\u00ed r\u016fst rostlin,<\/li>\n\n\n\n<li>men\u0161\u00ed mno\u017estv\u00ed kv\u011bt\u016f a plod\u016f.<\/li>\n<\/ul>\n\n\n\n<p>Pokud se probl\u00e9m ne\u0159e\u0161\u00ed, rostlina m\u016f\u017ee v\u00fdrazn\u011b zesl\u00e1bnout.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d vznik\u00e1 nedostatek ho\u0159\u010d\u00edku?<\/h2>\n\n\n\n<p>Ne v\u017edy je p\u0159\u00ed\u010dinou n\u00edzk\u00fd obsah ho\u0159\u010d\u00edku v p\u016fd\u011b. Jeho p\u0159\u00edjem mohou omezovat tak\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>dlouhodob\u00e9 vydatn\u00e9 de\u0161t\u011b,<\/li>\n\n\n\n<li>nadm\u011brn\u00e9 zal\u00e9v\u00e1n\u00ed,<\/li>\n\n\n\n<li>p\u0159\u00edli\u0161 kysel\u00e1 nebo naopak siln\u011b z\u00e1sadit\u00e1 p\u016fda,<\/li>\n\n\n\n<li>vysok\u00e9 d\u00e1vky drasl\u00edku nebo v\u00e1pn\u00edku,<\/li>\n\n\n\n<li>vy\u010derpan\u00e1 p\u016fda bez pravideln\u00e9ho hnojen\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Jak doplnit ho\u0159\u010d\u00edk?<\/h2>\n\n\n\n<p>Jedn\u00edm z nej\u010dast\u011bj\u0161\u00edch \u0159e\u0161en\u00ed je pou\u017eit\u00ed <strong>ho\u0159k\u00e9 soli (s\u00edranu ho\u0159e\u010dnat\u00e9ho)<\/strong>.<\/p>\n\n\n\n<p>Lze ji aplikovat dv\u011bma zp\u016fsoby:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Post\u0159ik na list<\/h3>\n\n\n\n<p>Rozpu\u0161t\u011bn\u00fd s\u00edran ho\u0159e\u010dnat\u00fd se nast\u0159\u00edk\u00e1 na listy, odkud rostlina p\u0159ij\u00edm\u00e1 ho\u0159\u010d\u00edk velmi rychle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Z\u00e1livka ke ko\u0159en\u016fm<\/h3>\n\n\n\n<p>Roztok lze pou\u017e\u00edt tak\u00e9 k zal\u00e9v\u00e1n\u00ed, \u010d\u00edm\u017e se dopln\u00ed z\u00e1soba ho\u0159\u010d\u00edku v p\u016fd\u011b.<\/p>\n\n\n\n<p>V\u017edy dodr\u017eujte d\u00e1vkov\u00e1n\u00ed uveden\u00e9 v\u00fdrobcem p\u0159\u00edpravku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak nedostatku ho\u0159\u010d\u00edku p\u0159edch\u00e1zet?<\/h2>\n\n\n\n<p>Nejlep\u0161\u00ed prevenc\u00ed je spr\u00e1vn\u00e1 p\u00e9\u010de o rostliny:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pravideln\u00e9 p\u0159ihnojov\u00e1n\u00ed vyv\u00e1\u017een\u00fdmi hnojivy,<\/li>\n\n\n\n<li>st\u0159\u00eddm\u00e1 z\u00e1livka bez p\u0159emok\u0159en\u00ed,<\/li>\n\n\n\n<li>pravideln\u00e1 kontrola pH p\u016fdy,<\/li>\n\n\n\n<li>dostatek organick\u00e9 hmoty v p\u016fd\u011b,<\/li>\n\n\n\n<li>mul\u010dov\u00e1n\u00ed pro udr\u017een\u00ed rovnom\u011brn\u00e9 vlhkosti.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kdy u\u017e nejde o nedostatek ho\u0159\u010d\u00edku?<\/h2>\n\n\n\n<p>\u017dloutnut\u00ed list\u016f m\u016f\u017ee b\u00fdt zp\u016fsobeno tak\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>nedostatkem dus\u00edku,<\/li>\n\n\n\n<li>p\u0159irozen\u00fdm st\u00e1rnut\u00edm spodn\u00edch list\u016f,<\/li>\n\n\n\n<li>po\u0161kozen\u00edm ko\u0159en\u016f,<\/li>\n\n\n\n<li>houbov\u00fdmi chorobami,<\/li>\n\n\n\n<li>napaden\u00edm \u0161k\u016fdci.<\/li>\n<\/ul>\n\n\n\n<p>Proto je v\u017edy dobr\u00e9 posoudit celkov\u00fd stav rostlin a hledat v\u00edce p\u0159\u00edznak\u016f sou\u010dasn\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>\u017dloutnut\u00ed mezi \u017eilkami na spodn\u00edch listech raj\u010dat a okurek b\u00fdv\u00e1 \u010dasto prvn\u00edm varov\u00e1n\u00edm, \u017ee rostlin\u00e1m chyb\u00ed ho\u0159\u010d\u00edk. V\u010dasn\u00e9 dopln\u011bn\u00ed tohoto d\u016fle\u017eit\u00e9ho prvku m\u016f\u017ee podpo\u0159it zdrav\u00fd r\u016fst, bohat\u0161\u00ed kveten\u00ed i vy\u0161\u0161\u00ed \u00farodu. Pravideln\u00e1 kontrola rostlin a spr\u00e1vn\u00e1 v\u00fd\u017eiva jsou nejlep\u0161\u00ed cestou k siln\u00fdm a zdrav\u00fdm raj\u010dat\u016fm i okurk\u00e1m po celou sez\u00f3nu.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159i p\u011bstov\u00e1n\u00ed raj\u010dat a okurek si mnoho zahr\u00e1dk\u00e1\u0159\u016f v\u0161imne, \u017ee spodn\u00ed listy za\u010d\u00ednaj\u00ed \u017eloutnout, zat\u00edmco \u017eilky z\u016fst\u00e1vaj\u00ed zelen\u00e9. Tento jev se naz\u00fdv\u00e1 intervein\u00e1ln\u00ed chlor\u00f3za a \u010dasto b\u00fdv\u00e1 jedn\u00edm z prvn\u00edch [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dvorek"],"_links":{"self":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/612"}],"collection":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=612"}],"version-history":[{"count":1,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/612\/revisions"}],"predecessor-version":[{"id":614,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/612\/revisions\/614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/media\/613"}],"wp:attachment":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}