{"id":11173,"date":"2022-02-14T06:59:14","date_gmt":"2022-02-14T06:59:14","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11173"},"modified":"2022-02-14T06:59:14","modified_gmt":"2022-02-14T06:59:14","slug":"silky-dogwood-versatile-shrub-for-your-landscape","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/life\/nature\/silky-dogwood-versatile-shrub-for-your-landscape\/","title":{"rendered":"D\u0159\u00edn jarn\u00ed: Cenn\u00fd ke\u0159 pro va\u0161i zahradu"},"content":{"rendered":"<h2 class=\"wp-block-heading\">D\u0159\u00edn jarn\u00ed: V\u0161estrann\u00fd ke\u0159 pro va\u0161i zahradu<\/h2>\n\n<h2 class=\"wp-block-heading\">P\u0159ehled<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed (Cornus amomum) je opadav\u00fd ke\u0159 poch\u00e1zej\u00edc\u00ed z v\u00fdchodn\u00ed \u010d\u00e1sti Severn\u00ed Ameriky. Tento v\u0161estrann\u00fd ke\u0159, kter\u00fd je zn\u00e1m\u00fd pro sv\u00e9 atraktivn\u00ed kv\u011bty, bobule a podzimn\u00ed list\u00ed, nab\u00edz\u00ed v krajin\u011b mnoho v\u00fdhod.<\/p>\n\n<h2 class=\"wp-block-heading\">Charakteristika<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u010cesk\u00fd n\u00e1zev:<\/strong> D\u0159\u00edn jarn\u00ed<\/li>\n<li><strong>Botanick\u00fd n\u00e1zev:<\/strong> Cornus amomum<\/li>\n<li><strong>\u010cele\u010f:<\/strong> D\u0159\u00ednovit\u00e9 (Cornaceae)<\/li>\n<li><strong>Typ rostliny:<\/strong> Ke\u0159<\/li>\n<li><strong>Maxim\u00e1ln\u00ed velikost:<\/strong> 6-12 stop vysok\u00fd a \u0161irok\u00fd<\/li>\n<li><strong>Slune\u010dn\u00ed podm\u00ednky:<\/strong> \u010c\u00e1ste\u010dn\u00e9 slunce a\u017e pln\u00fd st\u00edn<\/li>\n<li><strong>Typ p\u016fdy:<\/strong> Hlinit\u00e1, dob\u0159e odvodn\u011bn\u00e1, kysel\u00e1<\/li>\n<li><strong>pH p\u016fdy:<\/strong> 5-7<\/li>\n<li><strong>Doba kv\u011btu:<\/strong> Kv\u011bten a \u010derven<\/li>\n<li><strong>Barva kv\u011bt\u016f:<\/strong> Kr\u00e9mov\u011b b\u00edl\u00e1<\/li>\n<li><strong>Z\u00f3ny odolnosti:<\/strong> USDA z\u00f3ny 5-8<\/li>\n<li><strong>P\u016fvodn\u00ed oblast:<\/strong> Severn\u00ed Amerika<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">V\u00fdhody<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Kontrola eroze:<\/strong> Hust\u00fd ke\u0159ovit\u00fd r\u016fst d\u0159\u00ednu jarn\u00edho pom\u00e1h\u00e1 stabilizovat svahy a zabra\u0148uje erozi.<\/li>\n<li><strong>P\u0159ita\u017elivost pro opylova\u010de a divokou zv\u011b\u0159:<\/strong> Jeho jarn\u00ed kv\u011bty a letn\u00ed bobule poskytuj\u00ed nektar a potravu pro mot\u00fdly, pt\u00e1ky a v\u010dely, zat\u00edmco jeho podzimn\u00ed list\u00ed a zimn\u00ed k\u016fra poskytuj\u00ed p\u0159\u00edst\u0159e\u0161\u00ed a hn\u00edzdi\u0161t\u011b pro divokou zv\u011b\u0159.<\/li>\n<li><strong>Okrasn\u00e1 hodnota:<\/strong> Atraktivn\u00ed kv\u011bty ke\u0159e, podzimn\u00ed list\u00ed a zimn\u00ed k\u016fra dod\u00e1vaj\u00ed krajin\u011b zaj\u00edmavost po cel\u00fd rok.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Po\u017eadavky na p\u00e9\u010di<\/h2>\n\n<p><strong>Sv\u011btlo:<\/strong> D\u0159\u00edn jarn\u00ed roste nejl\u00e9pe v \u010d\u00e1ste\u010dn\u00e9m st\u00ednu, ale snese i pln\u00e9 slunce nebo pln\u00fd st\u00edn.<\/p>\n\n<p><strong>P\u016fda:<\/strong> Ide\u00e1ln\u00ed je dob\u0159e odvodn\u011bn\u00e1, kysel\u00e1 p\u016fda. Ke\u0159 snese i j\u00edlovitou p\u016fdu, ale nemus\u00ed se j\u00ed da\u0159it tak dob\u0159e.<\/p>\n\n<p><strong>Voda:<\/strong> Nov\u011b vysazen\u00e9 ke\u0159e zal\u00e9vejte t\u00fddn\u011b a d\u016fkladn\u011b, dokud se neuchytnou. Zako\u0159en\u011bn\u00e9 rostliny obvykle nevy\u017eaduj\u00ed dal\u0161\u00ed z\u00e1livku, pokud nen\u00ed sucho nebo pokud nejsou um\u00edst\u011bny na m\u00edst\u011b s pln\u00fdm sluncem.<\/p>\n\n<p><strong>Teplota a vlhkost:<\/strong> D\u0159\u00edn jarn\u00ed je odoln\u00fd do z\u00f3n USDA 5-8 a zvl\u00e1d\u00e1 mraziv\u00e9 zimn\u00ed po\u010das\u00ed. P\u0159esto\u017ee preferuje v l\u00e9t\u011b chladnou, vlhkou p\u016fdu, doporu\u010duje se kolem ko\u0159enov\u00e9ho syst\u00e9mu polo\u017eit vrstvu kompostu.<\/p>\n\n<p><strong>Hnojen\u00ed:<\/strong> Hnojen\u00ed nen\u00ed pro d\u0159\u00edn jarn\u00ed nutn\u00e9. Ve skute\u010dnosti m\u016f\u017ee nadm\u011brn\u00e9 hnojen\u00ed dus\u00edkem omezit kveten\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Druhy<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>C. amomum &#8216;Indigo&#8217;:<\/strong> Mal\u00e9 b\u00edl\u00e9 kv\u011bty a modr\u00e9 plody<\/li>\n<li><strong>Cornus obliqua:<\/strong> \u010casto zam\u011b\u0148ov\u00e1n s d\u0159\u00ednem jarn\u00edm; drobn\u00e9 rozd\u00edly v chlupech na listech<\/li>\n<li><strong>D\u0159\u00edn obecn\u00fd (Cornus sericea):<\/strong> \u010cervenav\u00e9 v\u011btve a bobule z\u016fst\u00e1vaj\u00ed b\u00edl\u00e9<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Mno\u017een\u00ed<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed lze mno\u017eit pomoc\u00ed \u0159\u00edzk\u016f, odno\u017e\u00ed nebo semen.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0158ez<\/h2>\n\n<p>\u0158ez je d\u016fle\u017eit\u00fd pro udr\u017een\u00ed tvaru a zdrav\u00ed d\u0159\u00ednu jarn\u00edho. Odstra\u0148te ne\u017e\u00e1douc\u00ed r\u016fst, zast\u0159ihn\u011bte v\u00fdhony a od\u0159\u00edzn\u011bte mrtv\u00e9 nebo po\u0161kozen\u00e9 v\u011btve. Dosp\u011bl\u00e9 ke\u0159e snesou odstran\u011bn\u00ed jednoho hlavn\u00edho stonku a\u017e k zemi.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u011bstov\u00e1n\u00ed ze semen<\/h2>\n\n<p>Semena lze na podzim sb\u00edrat zral\u00fdch plod\u016f a vys\u00e9vat p\u0159\u00edmo venku nebo je p\u0159ed v\u00fdsevem uvnit\u0159 stratifikovat v chladu v lednici po dobu 12 t\u00fddn\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u011bstov\u00e1n\u00ed v kv\u011btin\u00e1\u010d\u00edch<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed nen\u00ed vhodn\u00fd pro p\u011bstov\u00e1n\u00ed v n\u00e1dob\u00e1ch kv\u016fli sv\u00e9mu rozs\u00e1hl\u00e9mu ko\u0159enov\u00e9mu syst\u00e9mu a preferenci chladn\u00e9 p\u016fdy.<\/p>\n\n<h2 class=\"wp-block-heading\">Zimov\u00e1n\u00ed<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed je odoln\u00fd a\u017e do z\u00f3ny USDA 5 a zvl\u00e1d\u00e1 chladn\u00e9 zimn\u00ed teploty. Obecn\u011b nevy\u017eaduje \u017e\u00e1dnou zvl\u00e1\u0161tn\u00ed zimn\u00ed p\u00e9\u010di.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u011b\u017en\u00ed \u0161k\u016fdci a choroby<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed je obecn\u011b odoln\u00fd v\u016f\u010di \u0161k\u016fdc\u016fm a chorob\u00e1m, ale p\u0159\u00edle\u017eitostn\u011b ho mohou napadnout puklice, vrtalky a minuj\u00edc\u00ed hmyz. Neemov\u00fd olej lze pou\u017e\u00edt jako ekologickou insekticidn\u00ed k\u00faru.<\/p>\n\n<h2 class=\"wp-block-heading\">Kveten\u00ed<\/h2>\n\n<p>D\u0159\u00edn jarn\u00ed vytv\u00e1\u0159\u00ed v kv\u011btnu a \u010dervnu mal\u00e9, kr\u00e9mov\u011b b\u00edl\u00e9 kv\u011bty. Ka\u017ed\u00fd kv\u011bt m\u00e1 \u010dty\u0159i hv\u011bzdicovit\u00e9 okv\u011btn\u00ed l\u00edstky a sladkou v\u016fni p\u0159ipom\u00ednaj\u00edc\u00ed zimolez. Kv\u011bty z\u016fst\u00e1vaj\u00ed v pln\u00e9m kv\u011btu asi 10-14 dn\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u011b\u017en\u00e9 probl\u00e9my<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Hn\u011bdnut\u00ed okraj\u016f list\u016f:<\/strong> P\u0159\u00edli\u0161 such\u00e9 podm\u00ednky mohou zp\u016fsobit hn\u011bdnut\u00ed okraj\u016f list\u016f nebo mezi \u017eilkami list\u016f.<\/li>\n<li><strong>\u010cerven\u00e1n\u00ed list\u016f:<\/strong> \u010cerven\u00e9 listy v l\u00e9t\u011b mohou b\u00fdt zn\u00e1mkou padl\u00ed, rakoviny v\u011btv\u00ed, sucha nebo nadm\u011brn\u00e9ho vystaven\u00ed slunci.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 dotazy<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Jak je d\u0159\u00edn jarn\u00ed u\u017eite\u010dn\u00fd pro kontrolu eroze?<\/strong> Jeho hust\u00fd r\u016fst a schopnost vytv\u00e1\u0159et hou\u0161tiny z n\u011bj d\u011blaj\u00ed \u00fa\u010dinnou p\u0159\u00edrodn\u00ed metodu kontroly eroze.<\/li>\n<li><strong>Jak se d\u0159\u00edn jarn\u00ed pou\u017e\u00edv\u00e1 v krajin\u00e1\u0159stv\u00ed?<\/strong> M\u016f\u017ee b\u00fdt pou\u017eit v chatov\u00fdch zahrad\u00e1ch, de\u0161\u0165ov\u00fdch zahrad\u00e1ch a jako solit\u00e9rn\u00ed ke\u0159.<\/li>\n<li><strong>Jak rychle d\u0159\u00edn jarn\u00ed roste?<\/strong> Roste st\u0159edn\u011b rychle, asi 12-24 palc\u016f ro\u010dn\u011b.<\/li>\n<li><strong>Jak velk\u00fd d\u0159\u00edn jarn\u00ed dor\u016fst\u00e1?<\/strong> V pr\u016fm\u011bru dosahuje v\u00fd\u0161ky 10 stop a \u0161\u00ed\u0159ky 6-12 stop.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>D\u0159\u00edn jarn\u00ed: V\u0161estrann\u00fd ke\u0159 pro va\u0161i zahradu P\u0159ehled D\u0159\u00edn jarn\u00ed (Cornus amomum) je opadav\u00fd ke\u0159 poch\u00e1zej\u00edc\u00ed z v\u00fdchodn\u00ed \u010d\u00e1sti Severn\u00ed Ameriky. Tento v\u0161estrann\u00fd ke\u0159, kter\u00fd je zn\u00e1m\u00fd pro sv\u00e9 atraktivn\u00ed&hellip;<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3115],"tags":[254,15142,8901,8819,2978,1450],"class_list":["post-11173","post","type-post","status-publish","format-standard","hentry","category-nature","tag-wildlife","tag-silky-dogwood","tag-shrubs","tag-landscaping","tag-pollination","tag-erosion-control"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=11173"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11173\/revisions"}],"predecessor-version":[{"id":11174,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11173\/revisions\/11174"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=11173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=11173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=11173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}