{"id":1488,"date":"2026-08-02T16:54:42","date_gmt":"2026-08-02T13:54:42","guid":{"rendered":"https:\/\/www.topcz.top\/?p=1488"},"modified":"2026-08-02T16:54:42","modified_gmt":"2026-08-02T13:54:42","slug":"sucha-hniloba-na-spickach-rajcat-cim-osetrit-a-jak-zachranit-urodu-rady-zkusenych-pestitelu","status":"publish","type":"post","link":"https:\/\/www.topcz.top\/?p=1488","title":{"rendered":"Such\u00e1 hniloba na \u0161pi\u010dk\u00e1ch raj\u010dat: \u010c\u00edm o\u0161et\u0159it a jak zachr\u00e1nit \u00farodu? Rady zku\u0161en\u00fdch p\u011bstitel\u016f"},"content":{"rendered":"\n<p><strong>Such\u00e1 hniloba na \u0161pi\u010dk\u00e1ch raj\u010dat<\/strong> dok\u00e1\u017ee b\u011bhem n\u011bkolika dn\u016f znehodnotit \u010d\u00e1st \u00farody. Na spodn\u00ed stran\u011b plod\u016f se nejprve objev\u00ed mal\u00e9 tmav\u00e9 nebo vodnat\u00e9 skvrny, kter\u00e9 se postupn\u011b zv\u011bt\u0161uj\u00ed. Raj\u010de pak m\u016f\u017ee z\u016fstat \u010d\u00e1ste\u010dn\u011b zelen\u00e9, ale jeho spodn\u00ed \u010d\u00e1st za\u010dne tmavnout, zasychat a propadat se.<\/p>\n\n\n\n<p>Dobrou zpr\u00e1vou je, \u017ee tento probl\u00e9m obvykle neznamen\u00e1, \u017ee mus\u00edte zlikvidovat cel\u00fd porost. P\u0159i spr\u00e1vn\u00e9 p\u00e9\u010di lze \u010dasto zachr\u00e1nit dal\u0161\u00ed plody a zabr\u00e1nit tomu, aby se probl\u00e9m opakoval.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d se na raj\u010datech objevuje such\u00e1 hniloba?<\/h2>\n\n\n\n<p>Nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010dinou je <strong>nedostatek v\u00e1pn\u00edku v plodu nebo jeho \u0161patn\u00e1 dostupnost pro rostlinu<\/strong>. Ne v\u017edy v\u0161ak mus\u00ed b\u00fdt v p\u016fd\u011b v\u00e1pn\u00edku skute\u010dn\u011b m\u00e1lo.<\/p>\n\n\n\n<p>Probl\u00e9m \u010dasto vznik\u00e1 proto, \u017ee rostlina nedok\u00e1\u017ee v\u00e1pn\u00edk dostate\u010dn\u011b dopravovat do vyv\u00edjej\u00edc\u00edch se plod\u016f.<\/p>\n\n\n\n<p>Riziko zvy\u0161uj\u00ed p\u0159edev\u0161\u00edm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>nepravideln\u00e1 z\u00e1livka,<\/li>\n\n\n\n<li>dlouh\u00e9 obdob\u00ed sucha,<\/li>\n\n\n\n<li>n\u00e1sledn\u00e9 siln\u00e9 zalit\u00ed,<\/li>\n\n\n\n<li>po\u0161kozen\u00ed ko\u0159en\u016f,<\/li>\n\n\n\n<li>p\u0159\u00edli\u0161n\u00e9 hnojen\u00ed,<\/li>\n\n\n\n<li>rychl\u00fd r\u016fst rostlin,<\/li>\n\n\n\n<li>p\u011bstov\u00e1n\u00ed v n\u00e1dob\u00e1ch s nedostate\u010dnou vlhkost\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Jak suchou hnilobu poznat?<\/h2>\n\n\n\n<p>Typick\u00fdm p\u0159\u00edznakem je tmav\u00e1, propadl\u00e1 skvrna na spodn\u00ed \u010d\u00e1sti plodu, tedy na m\u00edst\u011b naproti stopce.<\/p>\n\n\n\n<p>Skvrna m\u016f\u017ee b\u00fdt nejprve mal\u00e1, ale postupn\u011b se zv\u011bt\u0161uje. Posti\u017een\u00e1 tk\u00e1\u0148 zasych\u00e1 a z\u00edsk\u00e1v\u00e1 hn\u011bdou a\u017e t\u00e9m\u011b\u0159 \u010dernou barvu.<\/p>\n\n\n\n<p>Nejde o klasickou infek\u010dn\u00ed chorobu, kter\u00e1 by se \u0161\u00ed\u0159ila z jednoho raj\u010dete na druh\u00e9. Proto je d\u016fle\u017eit\u00e9 zam\u011b\u0159it se p\u0159edev\u0161\u00edm na podm\u00ednky, ve kter\u00fdch rostliny rostou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Zajist\u011bte pravidelnou z\u00e1livku<\/h2>\n\n\n\n<p>Jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch krok\u016f je stabiln\u00ed vlhkost p\u016fdy.<\/p>\n\n\n\n<p>Raj\u010data zal\u00e9vejte pravideln\u011b podle po\u010das\u00ed a typu p\u016fdy. Ne\u010dekejte, a\u017e p\u016fda \u00fapln\u011b vyschne, a pot\u00e9 rostliny jednor\u00e1zov\u011b nezal\u00e9vejte velk\u00fdm mno\u017estv\u00edm vody.<\/p>\n\n\n\n<p>Ide\u00e1ln\u00ed je zal\u00e9vat p\u0159\u00edmo ke ko\u0159en\u016fm a p\u016fdu udr\u017eovat rovnom\u011brn\u011b vlhkou.<\/p>\n\n\n\n<p>B\u011bhem hork\u00fdch dn\u016f mohou raj\u010data pot\u0159ebovat v\u00edce vody, zat\u00edmco po vydatn\u00e9m de\u0161ti nen\u00ed dal\u0161\u00ed z\u00e1livka nutn\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Pom\u016f\u017ee mul\u010d<\/h2>\n\n\n\n<p>Mul\u010dov\u00e1n\u00ed m\u016f\u017ee v\u00fdrazn\u011b pomoci se stabilizac\u00ed vlhkosti p\u016fdy.<\/p>\n\n\n\n<p>Kolem raj\u010dat lze pou\u017e\u00edt nap\u0159\u00edklad sl\u00e1mu, posekanou tr\u00e1vu, kompost nebo jin\u00fd vhodn\u00fd organick\u00fd materi\u00e1l.<\/p>\n\n\n\n<p>Mul\u010d omezuje rychl\u00e9 odpa\u0159ov\u00e1n\u00ed vody a pom\u00e1h\u00e1 udr\u017eovat p\u016fdu d\u00e9le rovnom\u011brn\u011b vlhkou.<\/p>\n\n\n\n<p>Materi\u00e1l v\u0161ak nepokl\u00e1dejte p\u0159\u00edmo na stonek rostliny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Co s posti\u017een\u00fdmi raj\u010daty?<\/h2>\n\n\n\n<p>Raj\u010data, kter\u00e1 u\u017e maj\u00ed v\u00fdraznou suchou hnilobu, se obvykle nedaj\u00ed napravit.<\/p>\n\n\n\n<p>Po\u0161kozen\u00e9 plody proto odstra\u0148te, aby rostlina zbyte\u010dn\u011b nevynakl\u00e1dala energii na jejich dal\u0161\u00ed v\u00fdvoj.<\/p>\n\n\n\n<p>Pokud je po\u0161kozen\u00ed mal\u00e9, lze plod sklidit d\u0159\u00edve, ale posti\u017eenou \u010d\u00e1st nen\u00ed vhodn\u00e9 konzumovat.<\/p>\n\n\n\n<p>D\u016fle\u017eit\u011bj\u0161\u00ed je zam\u011b\u0159it se na nov\u00e9 plody, kter\u00e9 se teprve vyv\u00edjej\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Nehnojte automaticky v\u00e1pn\u00edkem<\/h2>\n\n\n\n<p>\u010castou reakc\u00ed p\u011bstitel\u016f je okam\u017eit\u00e9 p\u0159id\u00e1n\u00ed velk\u00e9ho mno\u017estv\u00ed v\u00e1pn\u00edku.<\/p>\n\n\n\n<p>To v\u0161ak nemus\u00ed b\u00fdt spr\u00e1vn\u00e9 \u0159e\u0161en\u00ed. Pokud je p\u0159\u00ed\u010dinou p\u0159edev\u0161\u00edm nepravideln\u00e1 z\u00e1livka, samotn\u00e9 p\u0159id\u00e1n\u00ed v\u00e1pn\u00edku probl\u00e9m neodstran\u00ed.<\/p>\n\n\n\n<p>Nejprve se proto zam\u011b\u0159te na stabiln\u00ed vlhkost p\u016fdy a celkovou p\u00e9\u010di o rostliny.<\/p>\n\n\n\n<p>Pokud je p\u016fda skute\u010dn\u011b chud\u00e1 na v\u00e1pn\u00edk, lze podle v\u00fdsledk\u016f p\u016fdn\u00edho rozboru zvolit vhodn\u00e9 hnojivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Pozor na p\u0159ebytek dus\u00edku<\/h2>\n\n\n\n<p>P\u0159\u00edli\u0161 mnoho dus\u00edku m\u016f\u017ee podpo\u0159it velmi bujn\u00fd r\u016fst rostlin.<\/p>\n\n\n\n<p>Raj\u010data pak vytv\u00e1\u0159ej\u00ed mno\u017estv\u00ed list\u016f a v\u00fdhon\u016f a jejich pot\u0159eby na vodu a \u017eiviny rychle rostou.<\/p>\n\n\n\n<p>Hnojen\u00ed proto p\u0159izp\u016fsobte f\u00e1zi r\u016fstu a pou\u017e\u00edvejte vyv\u00e1\u017een\u00e9 hnojivo ur\u010den\u00e9 pro raj\u010data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Chra\u0148te ko\u0159eny<\/h2>\n\n\n\n<p>Ko\u0159enov\u00fd syst\u00e9m raj\u010dat je d\u016fle\u017eit\u00fd pro p\u0159\u00edjem vody i \u017eivin.<\/p>\n\n\n\n<p>P\u0159i okop\u00e1v\u00e1n\u00ed nebo odstra\u0148ov\u00e1n\u00ed plevel\u016f proto pracujte opatrn\u011b, abyste ko\u0159eny zbyte\u010dn\u011b nepo\u0161kodili.<\/p>\n\n\n\n<p>Po\u0161kozen\u00e9 ko\u0159eny mohou zhor\u0161it schopnost rostliny p\u0159ij\u00edmat vodu a \u017eiviny pr\u00e1v\u011b v dob\u011b, kdy je pot\u0159ebuje nejv\u00edce.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Raj\u010data p\u011bstovan\u00e1 v n\u00e1dob\u00e1ch vy\u017eaduj\u00ed v\u011bt\u0161\u00ed pozornost<\/h2>\n\n\n\n<p>U raj\u010dat v kv\u011btin\u00e1\u010d\u00edch a n\u00e1dob\u00e1ch m\u016f\u017ee p\u016fda vysychat v\u00fdrazn\u011b rychleji ne\u017e na z\u00e1honu.<\/p>\n\n\n\n<p>Proto je d\u016fle\u017eit\u00e9 pravideln\u011b kontrolovat jej\u00ed vlhkost.<\/p>\n\n\n\n<p>N\u00e1doba by z\u00e1rove\u0148 m\u011bla m\u00edt dostate\u010dn\u00e9 odtokov\u00e9 otvory, aby p\u0159ebyte\u010dn\u00e1 voda mohla odt\u00e9kat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010c\u00edm raj\u010data o\u0161et\u0159it?<\/h2>\n\n\n\n<p>Pokud jde skute\u010dn\u011b o suchou hnilobu zp\u016fsobenou poruchou p\u0159\u00edjmu v\u00e1pn\u00edku, nen\u00ed pot\u0159eba pou\u017e\u00edvat fungicid.<\/p>\n\n\n\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00ed je <strong>upravit z\u00e1livku, stabilizovat vlhkost p\u016fdy a zajistit vyv\u00e1\u017eenou v\u00fd\u017eivu<\/strong>.<\/p>\n\n\n\n<p>V p\u0159\u00edpad\u011b potvrzen\u00e9ho nedostatku v\u00e1pn\u00edku m\u016f\u017ee b\u00fdt vhodn\u00e9 pou\u017e\u00edt p\u0159\u00edpravek s v\u00e1pn\u00edkem ur\u010den\u00fd pro raj\u010data. V\u017edy se \u0159i\u010fte n\u00e1vodem v\u00fdrobce a nep\u0159ekra\u010dujte doporu\u010den\u00e9 d\u00e1vkov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak probl\u00e9m\u016fm p\u0159edch\u00e1zet?<\/h2>\n\n\n\n<p>Prevence je jednodu\u0161\u0161\u00ed ne\u017e \u0159e\u0161en\u00ed ji\u017e vznikl\u00e9ho probl\u00e9mu.<\/p>\n\n\n\n<p>Raj\u010dat\u016fm dop\u0159ejte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pravidelnou z\u00e1livku,<\/li>\n\n\n\n<li>dostatek slunce,<\/li>\n\n\n\n<li>kvalitn\u00ed a propustnou p\u016fdu,<\/li>\n\n\n\n<li>vyv\u00e1\u017een\u00e9 hnojen\u00ed,<\/li>\n\n\n\n<li>ochranu ko\u0159en\u016f,<\/li>\n\n\n\n<li>vhodnou vrstvu mul\u010de,<\/li>\n\n\n\n<li>dostatek prostoru pro r\u016fst.<\/li>\n<\/ul>\n\n\n\n<p>Z\u00e1rove\u0148 je vhodn\u00e9 pravideln\u011b kontrolovat plody a p\u0159i prvn\u00edch p\u0159\u00edznac\u00edch okam\u017eit\u011b upravit podm\u00ednky p\u011bstov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p><strong>Such\u00e1 hniloba na \u0161pi\u010dk\u00e1ch raj\u010dat nemus\u00ed znamenat konec \u00farody.<\/strong> Po\u0161kozen\u00e9 plody odstra\u0148te a zam\u011b\u0159te se p\u0159edev\u0161\u00edm na pravidelnou z\u00e1livku a stabiln\u00ed vlhkost p\u016fdy.<\/p>\n\n\n\n<p>Pamatujte, \u017ee probl\u00e9m \u010dasto nespo\u010d\u00edv\u00e1 v absolutn\u00edm nedostatku v\u00e1pn\u00edku, ale v tom, \u017ee rostlina ho kv\u016fli stresu z nepravideln\u00e9 dostupnosti vody nedok\u00e1\u017ee dostate\u010dn\u011b vyu\u017e\u00edt.<\/p>\n\n\n\n<p>Proto nen\u00ed nejlep\u0161\u00ed cestou automaticky p\u0159id\u00e1vat velk\u00e9 mno\u017estv\u00ed hnojiva. <strong>St\u00e1l\u00e1 z\u00e1livka, zdrav\u00e9 ko\u0159eny a vyv\u00e1\u017een\u00e1 v\u00fd\u017eiva jsou z\u00e1kladem pro zdrav\u00e9 rostliny a kvalitn\u00ed \u00farodu raj\u010dat.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Such\u00e1 hniloba na \u0161pi\u010dk\u00e1ch raj\u010dat dok\u00e1\u017ee b\u011bhem n\u011bkolika dn\u016f znehodnotit \u010d\u00e1st \u00farody. Na spodn\u00ed stran\u011b plod\u016f se nejprve objev\u00ed mal\u00e9 tmav\u00e9 nebo vodnat\u00e9 skvrny, kter\u00e9 se postupn\u011b zv\u011bt\u0161uj\u00ed. Raj\u010de pak [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1488","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\/1488"}],"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=1488"}],"version-history":[{"count":1,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1488\/revisions"}],"predecessor-version":[{"id":1490,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1488\/revisions\/1490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/media\/1489"}],"wp:attachment":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}