{"id":1443,"date":"2026-08-01T15:57:44","date_gmt":"2026-08-01T12:57:44","guid":{"rendered":"https:\/\/www.topcz.top\/?p=1443"},"modified":"2026-08-01T15:57:44","modified_gmt":"2026-08-01T12:57:44","slug":"co-okurkam-chybi-jak-podle-listu-poznat-problem-nedostatek-dusiku-horciku-a-drasliku-padli-plisen-okurkova-a-svilusky","status":"publish","type":"post","link":"https:\/\/www.topcz.top\/?p=1443","title":{"rendered":"Co okurk\u00e1m chyb\u00ed? Jak podle list\u016f poznat probl\u00e9m \u2013 nedostatek dus\u00edku, ho\u0159\u010d\u00edku a drasl\u00edku, padl\u00ed, pl\u00edse\u0148 okurkov\u00e1 a svilu\u0161ky"},"content":{"rendered":"\n

Listy okurek dok\u00e1\u017eou zahr\u00e1dk\u00e1\u0159i prozradit p\u0159ekvapiv\u011b mnoho. Zm\u011bna barvy, skvrny, kroucen\u00ed nebo p\u0159ed\u010dasn\u00e9 \u017eloutnut\u00ed mohou upozornit na nedostatek \u017eivin, houbov\u00e9 onemocn\u011bn\u00ed nebo napaden\u00ed \u0161k\u016fdci<\/strong>.<\/p>\n\n\n\n

\u010c\u00edm d\u0159\u00edve si zm\u011bn v\u0161imnete, t\u00edm v\u011bt\u0161\u00ed je \u0161ance, \u017ee probl\u00e9m vy\u0159e\u0161\u00edte d\u0159\u00edve, ne\u017e v\u00fdrazn\u011b ovlivn\u00ed \u00farodu. Pod\u00edvejme se, co mohou jednotliv\u00e9 p\u0159\u00edznaky znamenat.<\/p>\n\n\n\n

\u017dlut\u00e9 star\u0161\u00ed listy \u2013 mo\u017en\u00fd nedostatek dus\u00edku<\/h2>\n\n\n\n

Pokud za\u010d\u00ednaj\u00ed \u017eloutnout p\u0159edev\u0161\u00edm star\u0161\u00ed listy ve spodn\u00ed \u010d\u00e1sti rostliny a mlad\u00e9 listy z\u016fst\u00e1vaj\u00ed zelen\u00e9, m\u016f\u017ee b\u00fdt jednou z p\u0159\u00ed\u010din nedostatek dus\u00edku<\/strong>.<\/p>\n\n\n\n

Dus\u00edk je d\u016fle\u017eit\u00fd pro tvorbu zelen\u00e9 hmoty a spr\u00e1vn\u00fd r\u016fst rostlin. P\u0159i jeho nedostatku mohou okurky r\u016fst pomaleji, m\u00edt sv\u011btlej\u0161\u00ed listy a vytv\u00e1\u0159et m\u00e9n\u011b nov\u00fdch v\u00fdhon\u016f.<\/p>\n\n\n\n

Ne\u017e ale za\u010dnete hnojit, je dobr\u00e9 zkontrolovat tak\u00e9 z\u00e1livku a stav ko\u0159en\u016f. \u017dloutnut\u00ed list\u016f nemus\u00ed b\u00fdt v\u017edy zp\u016fsobeno nedostatkem \u017eivin.<\/p>\n\n\n\n

Sv\u011btlej\u0161\u00ed listy a \u017eilnatina \u2013 m\u016f\u017ee chyb\u011bt ho\u0159\u010d\u00edk<\/h2>\n\n\n\n

Nedostatek ho\u0159\u010d\u00edku<\/strong> se \u010dasto projevuje na star\u0161\u00edch listech. Pletivo mezi \u017eilkami m\u016f\u017ee postupn\u011b sv\u011btlat nebo \u017eloutnout, zat\u00edmco \u017eilnatina z\u016fst\u00e1v\u00e1 d\u00e9le zelen\u00e1.<\/p>\n\n\n\n

Pokud se podobn\u00e9 p\u0159\u00edznaky objevuj\u00ed na v\u00edce listech, m\u016f\u017ee b\u00fdt vhodn\u00e9 zam\u011b\u0159it se na v\u00fd\u017eivu rostlin a stav p\u016fdy.<\/p>\n\n\n\n

S hnojen\u00edm v\u0161ak nen\u00ed dobr\u00e9 experimentovat naslepo. P\u0159ebytek n\u011bkter\u00fdch \u017eivin m\u016f\u017ee toti\u017e zhor\u0161it p\u0159\u00edjem jin\u00fdch prvk\u016f.<\/p>\n\n\n\n

\u017dloutnut\u00ed okraj\u016f list\u016f \u2013 mo\u017en\u00fd nedostatek drasl\u00edku<\/h2>\n\n\n\n

Drasl\u00edk<\/strong> hraje d\u016fle\u017eitou roli v hospoda\u0159en\u00ed rostlin s vodou a v celkov\u00e9 odolnosti rostlin.<\/p>\n\n\n\n

P\u0159i jeho nedostatku mohou star\u0161\u00ed listy za\u010d\u00ednat \u017eloutnout od okraj\u016f, kter\u00e9 mohou pozd\u011bji hn\u011bdnout a zasychat. Rostliny mohou tak\u00e9 p\u016fsobit slab\u011bji a plody nemus\u00ed m\u00edt ide\u00e1ln\u00ed tvar.<\/p>\n\n\n\n

Podobn\u00e9 p\u0159\u00edznaky v\u0161ak mohou zp\u016fsobit tak\u00e9 jin\u00e9 stresov\u00e9 podm\u00ednky, nap\u0159\u00edklad nepravideln\u00e1 z\u00e1livka nebo po\u0161kozen\u00ed ko\u0159en\u016f.<\/p>\n\n\n\n

B\u00edl\u00fd povlak na listech \u2013 padl\u00ed<\/h2>\n\n\n\n

Jestli\u017ee se na listech objev\u00ed b\u00edl\u00fd mou\u010dnat\u00fd povlak<\/strong>, m\u016f\u017ee j\u00edt o padl\u00ed.<\/p>\n\n\n\n

Postupn\u011b se mohou skvrny zv\u011bt\u0161ovat a listy mohou \u017eloutnout, hn\u011bdnout a zasychat. Siln\u011b napaden\u00e9 rostliny mohou m\u00edt v\u00fdrazn\u011b omezenou fotosynt\u00e9zu a jejich r\u016fst se zpomal\u00ed.<\/p>\n\n\n\n

P\u0159i prvn\u00edch p\u0159\u00edznac\u00edch je vhodn\u00e9 odstranit siln\u011b napaden\u00e9 listy a zajistit rostlin\u00e1m dostatek prostoru a vzduchu.<\/p>\n\n\n\n

P\u0159i pou\u017eit\u00ed p\u0159\u00edpravk\u016f na ochranu rostlin v\u017edy postupujte podle etikety konkr\u00e9tn\u00edho p\u0159\u00edpravku.<\/p>\n\n\n\n

\u017dlut\u00e9 skvrny a \u0161edofialov\u00fd povlak \u2013 pl\u00edse\u0148 okurkov\u00e1<\/h2>\n\n\n\n

Dal\u0161\u00edm probl\u00e9mem m\u016f\u017ee b\u00fdt pl\u00edse\u0148 okurkov\u00e1 (peronospora)<\/strong>.<\/p>\n\n\n\n

Na horn\u00ed stran\u011b list\u016f se \u010dasto objevuj\u00ed \u017elutav\u00e9 a\u017e sv\u011btle hn\u011bd\u00e9 skvrny. Za vlhk\u00e9ho po\u010das\u00ed se na spodn\u00ed stran\u011b mohou vytvo\u0159it \u0161edav\u00e9 a\u017e fialov\u00e9 povlaky.<\/p>\n\n\n\n

Onemocn\u011bn\u00ed se m\u016f\u017ee \u0161\u00ed\u0159it velmi rychle, zejm\u00e9na p\u0159i vlhk\u00e9m po\u010das\u00ed a del\u0161\u00edm ovlh\u010den\u00ed list\u016f.<\/p>\n\n\n\n

Proto je d\u016fle\u017eit\u00e9 zal\u00e9vat pokud mo\u017eno p\u0159\u00edmo ke ko\u0159en\u016fm a zajistit rostlin\u00e1m dobrou cirkulaci vzduchu.<\/p>\n\n\n\n

Drobn\u00e9 sv\u011btl\u00e9 te\u010dky a pavu\u010dinky \u2013 svilu\u0161ky<\/h2>\n\n\n\n

Pokud listy z\u00edsk\u00e1vaj\u00ed drobn\u00e9 sv\u011btl\u00e9 te\u010dky, postupn\u011b ztr\u00e1cej\u00ed barvu a na spodn\u00ed stran\u011b se objevuj\u00ed jemn\u00e9 pavu\u010dinky, m\u016f\u017ee b\u00fdt p\u0159\u00ed\u010dinou svilu\u0161ka<\/strong>.<\/p>\n\n\n\n

Tito drobn\u00ed \u0161k\u016fdci saj\u00ed rostlinn\u00e9 \u0161\u0165\u00e1vy a p\u0159i siln\u00e9m napaden\u00ed mohou zp\u016fsobit \u017eloutnut\u00ed, zasych\u00e1n\u00ed a opad\u00e1v\u00e1n\u00ed list\u016f.<\/p>\n\n\n\n

Svilu\u0161k\u00e1m \u010dasto vyhovuje hork\u00e9 a such\u00e9 po\u010das\u00ed. Proto je d\u016fle\u017eit\u00e9 rostliny pravideln\u011b kontrolovat, zejm\u00e9na spodn\u00ed strany list\u016f.<\/p>\n\n\n\n

Jak rozli\u0161it nedostatek \u017eivin od choroby?<\/h2>\n\n\n\n

P\u0159i ur\u010dov\u00e1n\u00ed probl\u00e9mu sledujte n\u011bkolik znak\u016f:<\/p>\n\n\n\n

Nedostatek \u017eivin<\/strong> \u010dasto postihuje listy podle jejich st\u00e1\u0159\u00ed a m\u016f\u017ee se projevovat pom\u011brn\u011b pravideln\u00fdm vzorem.<\/p>\n\n\n\n

Houbov\u00e9 choroby<\/strong> se \u010dast\u011bji projevuj\u00ed skvrnami, povlaky nebo postupn\u00fdm odum\u00edr\u00e1n\u00edm konkr\u00e9tn\u00edch \u010d\u00e1st\u00ed list\u016f.<\/p>\n\n\n\n

\u0160k\u016fdci<\/strong> mohou zp\u016fsobovat drobn\u00e9 te\u010dky, deformace, zm\u011bnu barvy nebo jemn\u00e9 pavu\u010dinky.<\/p>\n\n\n\n

Jednotliv\u00e9 p\u0159\u00edznaky se ale mohou p\u0159ekr\u00fdvat. Proto nen\u00ed vhodn\u00e9 rostlinu automaticky hnojit jen na z\u00e1klad\u011b jedn\u00e9 \u017elut\u00e9 skvrny.<\/p>\n\n\n\n

Co d\u011blat, kdy\u017e listy okurek za\u010dnou \u017eloutnout?<\/h2>\n\n\n\n

Nejprve zkontrolujte z\u00e1kladn\u00ed podm\u00ednky:<\/p>\n\n\n\n

    \n
  • zda maj\u00ed rostliny dostatek vody,<\/li>\n\n\n\n
  • zda p\u016fda nen\u00ed p\u0159emok\u0159en\u00e1,<\/li>\n\n\n\n
  • jestli maj\u00ed dostatek sv\u011btla,<\/li>\n\n\n\n
  • zda nejsou ko\u0159eny po\u0161kozen\u00e9,<\/li>\n\n\n\n
  • zda se na listech nenach\u00e1zej\u00ed \u0161k\u016fdci,<\/li>\n\n\n\n
  • zda nejsou p\u0159\u00edtomn\u00e9 skvrny nebo povlaky,<\/li>\n\n\n\n
  • jestli rostliny dost\u00e1vaj\u00ed vhodn\u00e9 mno\u017estv\u00ed \u017eivin.<\/li>\n<\/ul>\n\n\n\n

    Teprve podle t\u011bchto znak\u016f m\u00e1 smysl zva\u017eovat konkr\u00e9tn\u00ed z\u00e1sah.<\/p>\n\n\n\n

    Jak p\u0159edch\u00e1zet probl\u00e9m\u016fm s okurkami?<\/h2>\n\n\n\n

    Nejlep\u0161\u00ed ochranou je spr\u00e1vn\u00e1 p\u00e9\u010de od za\u010d\u00e1tku.<\/p>\n\n\n\n

    Okurky pot\u0159ebuj\u00ed dostatek sv\u011btla, pravidelnou z\u00e1livku a p\u016fdu bohatou na organickou hmotu. Rostliny by nem\u011bly b\u00fdt p\u0159\u00edli\u0161 nahu\u0161t\u011bn\u00e9, proto\u017ee dobr\u00e9 proud\u011bn\u00ed vzduchu pom\u00e1h\u00e1 omezovat n\u011bkter\u00e9 houbov\u00e9 choroby.<\/p>\n\n\n\n

    Zal\u00e9vejte nejl\u00e9pe ke ko\u0159en\u016fm a vyhn\u011bte se dlouhodob\u00e9mu sm\u00e1\u010den\u00ed list\u016f.<\/p>\n\n\n\n

    Pravideln\u011b tak\u00e9 kontrolujte spodn\u00ed strany list\u016f. Pr\u00e1v\u011b tam se mohou \u0161k\u016fdci objevit d\u0159\u00edve, ne\u017e si jich v\u0161imnete na prvn\u00ed pohled.<\/p>\n\n\n\n

    Nej\u010dast\u011bj\u0161\u00ed chyby p\u0159i p\u00e9\u010di o okurky<\/h2>\n\n\n\n

    Mezi \u010dast\u00e9 chyby pat\u0159\u00ed p\u0159edev\u0161\u00edm nepravideln\u00e1 z\u00e1livka, p\u0159ehnojov\u00e1n\u00ed a p\u0159\u00edli\u0161 hust\u00e1 v\u00fdsadba.<\/p>\n\n\n\n

    Nen\u00ed tak\u00e9 vhodn\u00e9 pou\u017e\u00edvat n\u011bkolik r\u016fzn\u00fdch hnojiv nebo dom\u00e1c\u00edch post\u0159ik\u016f najednou bez znalosti p\u0159\u00ed\u010diny probl\u00e9mu. Nadbytek \u017eivin m\u016f\u017ee rostlin\u00e1m u\u0161kodit stejn\u011b jako jejich nedostatek.<\/p>\n\n\n\n

    Z\u00e1v\u011br<\/h2>\n\n\n\n

    Listy okurek jsou d\u016fle\u017eit\u00fdm ukazatelem zdravotn\u00edho stavu rostlin.<\/strong> \u017dloutnut\u00ed, sv\u011btl\u00e9 skvrny, b\u00edl\u00fd povlak, hn\u011bdnut\u00ed okraj\u016f nebo jemn\u00e9 pavu\u010dinky mohou upozornit na r\u016fzn\u00e9 probl\u00e9my.<\/p>\n\n\n\n

    Nedostatek dus\u00edku, ho\u0159\u010d\u00edku nebo drasl\u00edku m\u00e1 jin\u00e9 projevy ne\u017e padl\u00ed, pl\u00edse\u0148 okurkov\u00e1 nebo napaden\u00ed svilu\u0161kami<\/strong>. Proto je d\u016fle\u017eit\u00e9 nejprve spr\u00e1vn\u011b ur\u010dit p\u0159\u00ed\u010dinu a teprve potom zvolit vhodn\u00e9 \u0159e\u0161en\u00ed.<\/p>\n\n\n\n

    Pravideln\u00e1 kontrola list\u016f, spr\u00e1vn\u00e1 z\u00e1livka, dostatek sv\u011btla, vyv\u00e1\u017een\u00e1 v\u00fd\u017eiva a dobr\u00e9 proud\u011bn\u00ed vzduchu jsou z\u00e1kladem pro zdrav\u00e9 rostliny a bohatou \u00farodu okurek.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Listy okurek dok\u00e1\u017eou zahr\u00e1dk\u00e1\u0159i prozradit p\u0159ekvapiv\u011b mnoho. Zm\u011bna barvy, skvrny, kroucen\u00ed nebo p\u0159ed\u010dasn\u00e9 \u017eloutnut\u00ed mohou upozornit na nedostatek \u017eivin, houbov\u00e9 onemocn\u011bn\u00ed nebo napaden\u00ed \u0161k\u016fdci. \u010c\u00edm d\u0159\u00edve si zm\u011bn v\u0161imnete, t\u00edm […]<\/p>\n","protected":false},"author":2,"featured_media":1444,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1443","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\/1443"}],"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=1443"}],"version-history":[{"count":1,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1443\/revisions"}],"predecessor-version":[{"id":1445,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/posts\/1443\/revisions\/1445"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=\/wp\/v2\/media\/1444"}],"wp:attachment":[{"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcz.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}