{"id":1601,"date":"2026-08-06T13:58:27","date_gmt":"2026-08-06T10:58:27","guid":{"rendered":"https:\/\/www.topcz.top\/?p=1601"},"modified":"2026-08-06T13:58:27","modified_gmt":"2026-08-06T10:58:27","slug":"kladosporioza-rajcat-co-delat-kdyz-se-na-listech-objevi-zlute-skvrny-a-hnedy-povlak","status":"publish","type":"post","link":"https:\/\/www.topcz.top\/?p=1601","title":{"rendered":"Kladospori\u00f3za raj\u010dat: Co d\u011blat, kdy\u017e se na listech objev\u00ed \u017elut\u00e9 skvrny a hn\u011bd\u00fd povlak"},"content":{"rendered":"\n<p>Kladospori\u00f3za, zn\u00e1m\u00e1 tak\u00e9 jako <strong>hn\u011bd\u00e1 skvrnitost list\u016f raj\u010dat<\/strong>, pat\u0159\u00ed mezi nej\u010dast\u011bj\u0161\u00ed houbov\u00e9 choroby, kter\u00e9 napadaj\u00ed raj\u010data zejm\u00e9na ve sklen\u00edc\u00edch a b\u011bhem tepl\u00e9ho, vlhk\u00e9ho po\u010das\u00ed. Pokud se na listech objev\u00ed \u017elut\u00e9 skvrny a na jejich spodn\u00ed stran\u011b hn\u011bd\u00fd a\u017e olivov\u011b zbarven\u00fd povlak, je d\u016fle\u017eit\u00e9 jednat co nejd\u0159\u00edve. V\u010dasn\u00fd z\u00e1sah m\u016f\u017ee zabr\u00e1nit \u0161\u00ed\u0159en\u00ed choroby a pomoci zachovat \u00farodu.<\/p>\n\n\n\n<p>Zjist\u011bte, jak kladospori\u00f3zu rozpoznat, pro\u010d vznik\u00e1 a jak o raj\u010data spr\u00e1vn\u011b pe\u010dovat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je kladospori\u00f3za?<\/h2>\n\n\n\n<p>Kladospori\u00f3zu zp\u016fsobuje houba, kter\u00e1 napad\u00e1 p\u0159edev\u0161\u00edm listy raj\u010dat. Choroba se nej\u010dast\u011bji \u0161\u00ed\u0159\u00ed p\u0159i vysok\u00e9 vzdu\u0161n\u00e9 vlhkosti a nedostate\u010dn\u00e9m proud\u011bn\u00ed vzduchu.<\/p>\n\n\n\n<p>Nejv\u00edce ohro\u017een\u00e9 jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>raj\u010data p\u011bstovan\u00e1 ve sklen\u00edc\u00edch,<\/li>\n\n\n\n<li>hust\u011b vysazen\u00e9 porosty,<\/li>\n\n\n\n<li>rostliny zal\u00e9van\u00e9 p\u0159es listy,<\/li>\n\n\n\n<li>oslaben\u00e9 nebo p\u0159ehnojen\u00e9 rostliny.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Jak poznat prvn\u00ed p\u0159\u00edznaky?<\/h2>\n\n\n\n<p>Prvn\u00ed projevy b\u00fdvaj\u00ed nen\u00e1padn\u00e9.<\/p>\n\n\n\n<p>Typick\u00e9 p\u0159\u00edznaky jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sv\u011btle \u017elut\u00e9 skvrny na horn\u00ed stran\u011b list\u016f,<\/li>\n\n\n\n<li>hn\u011bd\u00fd nebo olivov\u011b zbarven\u00fd sametov\u00fd povlak na spodn\u00ed stran\u011b list\u016f,<\/li>\n\n\n\n<li>postupn\u00e9 zasych\u00e1n\u00ed list\u016f,<\/li>\n\n\n\n<li>opad\u00e1v\u00e1n\u00ed napaden\u00fdch list\u016f,<\/li>\n\n\n\n<li>oslaben\u00ed cel\u00e9 rostliny.<\/li>\n<\/ul>\n\n\n\n<p>Plody b\u00fdvaj\u00ed zpo\u010d\u00e1tku nepo\u0161kozen\u00e9, ale p\u0159i siln\u00e9m napaden\u00ed m\u016f\u017ee doj\u00edt ke sn\u00ed\u017een\u00ed jejich kvality i velikosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d se choroba objevuje?<\/h2>\n\n\n\n<p>Kladospori\u00f3ze prosp\u00edvaj\u00ed p\u0159edev\u0161\u00edm nevhodn\u00e9 podm\u00ednky p\u011bstov\u00e1n\u00ed.<\/p>\n\n\n\n<p>Nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010diny jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vysok\u00e1 vzdu\u0161n\u00e1 vlhkost,<\/li>\n\n\n\n<li>\u0161patn\u00e9 v\u011btr\u00e1n\u00ed sklen\u00edku,<\/li>\n\n\n\n<li>\u010dast\u00e9 sm\u00e1\u010den\u00ed list\u016f p\u0159i zal\u00e9v\u00e1n\u00ed,<\/li>\n\n\n\n<li>p\u0159\u00edli\u0161 hust\u00e1 v\u00fdsadba,<\/li>\n\n\n\n<li>ponech\u00e1v\u00e1n\u00ed napaden\u00fdch list\u016f na rostlin\u011b.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Co d\u011blat p\u0159i prvn\u00edch p\u0159\u00edznac\u00edch?<\/h2>\n\n\n\n<p>Jakmile objev\u00edte prvn\u00ed skvrny:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>odstra\u0148te napaden\u00e9 listy,<\/li>\n\n\n\n<li>nezal\u00e9vejte p\u0159es listy,<\/li>\n\n\n\n<li>pravideln\u011b v\u011btrejte sklen\u00edk,<\/li>\n\n\n\n<li>omezte nadm\u011brnou vlhkost,<\/li>\n\n\n\n<li>pou\u017e\u00edvejte pouze \u010dist\u00e9 zahradnick\u00e9 n\u00e1\u0159ad\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>Napaden\u00e9 \u010d\u00e1sti rostlin nepat\u0159\u00ed na kompost, ale do sm\u011bsn\u00e9ho odpadu, aby se choroba d\u00e1le ne\u0161\u00ed\u0159ila.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak chorob\u011b p\u0159edch\u00e1zet?<\/h2>\n\n\n\n<p>Nejlep\u0161\u00ed ochranou je prevence.<\/p>\n\n\n\n<p>Dodr\u017eujte tato pravidla:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vysazujte raj\u010data s dostate\u010dn\u00fdmi rozestupy,<\/li>\n\n\n\n<li>pravideln\u011b odstra\u0148ujte spodn\u00ed listy,<\/li>\n\n\n\n<li>zal\u00e9vejte ke ko\u0159en\u016fm,<\/li>\n\n\n\n<li>zajist\u011bte dobr\u00e9 proud\u011bn\u00ed vzduchu,<\/li>\n\n\n\n<li>nep\u0159ehnojujte dus\u00edkem.<\/li>\n<\/ul>\n\n\n\n<p>Spr\u00e1vn\u00e1 p\u00e9\u010de v\u00fdrazn\u011b sni\u017euje riziko napaden\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u00e9\u010de o raj\u010data b\u011bhem sez\u00f3ny<\/h2>\n\n\n\n<p>Pro zdrav\u00e9 rostliny je d\u016fle\u017eit\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pravideln\u011b kontrolovat listy,<\/li>\n\n\n\n<li>v\u010das odstra\u0148ovat po\u0161kozen\u00e9 \u010d\u00e1sti,<\/li>\n\n\n\n<li>p\u0159ihnojovat vyv\u00e1\u017een\u00fdmi hnojivy,<\/li>\n\n\n\n<li>mul\u010dovat p\u016fdu,<\/li>\n\n\n\n<li>skl\u00edzet dozr\u00e1l\u00e9 plody pr\u016fb\u011b\u017en\u011b.<\/li>\n<\/ul>\n\n\n\n<p>Siln\u00e9 rostliny l\u00e9pe odol\u00e1vaj\u00ed nep\u0159\u00edzniv\u00fdm podm\u00ednk\u00e1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed chyby p\u011bstitel\u016f<\/h2>\n\n\n\n<p>Vyhn\u011bte se t\u011bmto chyb\u00e1m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>zal\u00e9v\u00e1n\u00ed na listy,<\/li>\n\n\n\n<li>nedostate\u010dn\u00e9mu v\u011btr\u00e1n\u00ed sklen\u00edku,<\/li>\n\n\n\n<li>p\u0159\u00edli\u0161 hust\u00e9 v\u00fdsadb\u011b,<\/li>\n\n\n\n<li>ponech\u00e1n\u00ed nemocn\u00fdch list\u016f na rostlin\u00e1ch,<\/li>\n\n\n\n<li>p\u0159emok\u0159en\u00ed p\u016fdy,<\/li>\n\n\n\n<li>zanedb\u00e1n\u00ed pravideln\u00e9 kontroly porostu.<\/li>\n<\/ul>\n\n\n\n<p>V\u010dasn\u00e1 reakce m\u016f\u017ee zabr\u00e1nit rozs\u00e1hl\u00e9mu po\u0161kozen\u00ed rostlin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lze zachr\u00e1nit napaden\u00e1 raj\u010data?<\/h2>\n\n\n\n<p>Ano, pokud je choroba odhalena v ran\u00e9 f\u00e1zi. Odstran\u011bn\u00ed napaden\u00fdch list\u016f, zlep\u0161en\u00ed podm\u00ednek p\u011bstov\u00e1n\u00ed a d\u016fsledn\u00e1 p\u00e9\u010de \u010dasto pomohou zastavit dal\u0161\u00ed \u0161\u00ed\u0159en\u00ed choroby. P\u0159i siln\u00e9m napaden\u00ed m\u016f\u017ee b\u00fdt vhodn\u00e9 pou\u017e\u00edt registrovan\u00fd fungicid podle n\u00e1vodu v\u00fdrobce a platn\u00fdch doporu\u010den\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p><strong>Kladospori\u00f3za raj\u010dat m\u016f\u017ee v\u00fdrazn\u011b sn\u00ed\u017eit \u00farodu, pokud nen\u00ed v\u010das rozpozn\u00e1na.<\/strong> Pravideln\u00e1 kontrola rostlin, spr\u00e1vn\u00e1 z\u00e1livka, dostate\u010dn\u00e9 v\u011btr\u00e1n\u00ed a rychl\u00e9 odstran\u011bn\u00ed napaden\u00fdch list\u016f pat\u0159\u00ed mezi nej\u00fa\u010dinn\u011bj\u0161\u00ed zp\u016fsoby ochrany. D\u00edky spr\u00e1vn\u00e9 prevenci si m\u016f\u017eete u\u017e\u00edt zdrav\u00e1 raj\u010data a bohatou sklize\u0148 a\u017e do konce sez\u00f3ny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Materi\u00e1l p\u0159ipravil redak\u010dn\u00ed t\u00fdm s vyu\u017eit\u00edm n\u00e1stroj\u016f um\u011bl\u00e9 inteligence. Ve\u0161ker\u00e9 informace byly p\u0159ed publikac\u00ed zkontrolov\u00e1ny a upraveny.<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Kladospori\u00f3za, zn\u00e1m\u00e1 tak\u00e9 jako hn\u011bd\u00e1 skvrnitost list\u016f raj\u010dat, pat\u0159\u00ed mezi nej\u010dast\u011bj\u0161\u00ed houbov\u00e9 choroby, kter\u00e9 napadaj\u00ed raj\u010data zejm\u00e9na ve sklen\u00edc\u00edch a b\u011bhem tepl\u00e9ho, vlhk\u00e9ho po\u010das\u00ed. Pokud se na listech objev\u00ed \u017elut\u00e9 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1602,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1601","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\/1601"}],"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=1601"}],"version-history":[{"count":1,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1601\/revisions"}],"predecessor-version":[{"id":1603,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1601\/revisions\/1603"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/media\/1602"}],"wp:attachment":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}