{"id":6805,"date":"2024-04-27T12:59:03","date_gmt":"2024-04-27T12:59:03","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=6805"},"modified":"2024-04-27T12:59:03","modified_gmt":"2024-04-27T12:59:03","slug":"identifying-and-controlling-crabgrass","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/life\/gardening\/identifying-and-controlling-crabgrass\/","title":{"rendered":"Jak vypad\u00e1 ps\u00e1rka ro\u010dn\u00ed: Identifikace a huben\u00ed"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Jak vypad\u00e1 ps\u00e1rka ro\u010dn\u00ed<\/h2>\n\n<h2 class=\"wp-block-heading\">Identifikace<\/h2>\n\n<p>Ps\u00e1rka ro\u010dn\u00ed, v\u011bdeck\u00fdm n\u00e1zvem Digitaria, je b\u011b\u017en\u00fd jednolet\u00fd plevel, kter\u00fd m\u016f\u017ee b\u00fdt nep\u0159\u00edjemnost\u00ed na tr\u00e1vn\u00edc\u00edch a dal\u0161\u00edch ploch\u00e1ch. Sv\u016fj n\u00e1zev z\u00edskal podle sv\u00fdch rozprost\u00edraj\u00edc\u00edch se stonk\u016f, kter\u00e9 p\u0159ipom\u00ednaj\u00ed nohy kraba. Ps\u00e1rka ro\u010dn\u00ed m\u00e1 \u0161irok\u00e9, ploch\u00e9 listy a vytv\u00e1\u0159\u00ed dlouh\u00e9 kv\u011btenstv\u00ed a tis\u00edce semen za vegeta\u010dn\u00ed obdob\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Druhy ps\u00e1rky ro\u010dn\u00ed<\/h2>\n\n<p>Existuj\u00ed dva hlavn\u00ed druhy ps\u00e1rky ro\u010dn\u00ed: hladk\u00e1 ps\u00e1rka ro\u010dn\u00ed a chlupat\u00e1 ps\u00e1rka ro\u010dn\u00ed. Hladk\u00e1 ps\u00e1rka ro\u010dn\u00ed je b\u011b\u017en\u011bj\u0161\u00ed.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Hladk\u00e1 ps\u00e1rka ro\u010dn\u00ed:<\/strong> Nem\u00e1 chloupky kolem pochvy nebo list\u016f. Listy se zu\u017euj\u00ed do \u0161pi\u010dky a stonky se oh\u00fdbaj\u00ed v uzlech.<\/li>\n<li><strong>Chlupat\u00e1 ps\u00e1rka ro\u010dn\u00ed:<\/strong> M\u00e1 drobn\u00e9 chloupky na listech a stonc\u00edch. Listy jsou \u0161ir\u0161\u00ed ne\u017e u hladk\u00e9 ps\u00e1rky ro\u010dn\u00ed a mohou b\u00fdt a\u017e 1\/2 palce \u0161irok\u00e9.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u017divotn\u00ed cyklus<\/h2>\n\n<p>Ps\u00e1rka ro\u010dn\u00ed je jednolet\u00e1 rostlina, co\u017e znamen\u00e1, \u017ee \u017eije jeden rok. Sv\u016fj \u017eivotn\u00ed cyklus za\u010d\u00edn\u00e1 na ja\u0159e, kdy\u017e teplota p\u016fdy dos\u00e1hne 55 stup\u0148\u016f Fahrenheita. Semena kl\u00ed\u010d\u00ed a semen\u00e1\u010dky p\u0159ipom\u00ednaj\u00ed miniaturn\u00ed kuku\u0159i\u010dn\u00e9 stonky. Jak semen\u00e1\u010dky rostou, listy se za\u010d\u00ednaj\u00ed v\u011btvit.<\/p>\n\n<p>Ps\u00e1rka ro\u010dn\u00ed se da\u0159\u00ed v tepl\u00fdch a such\u00fdch pov\u011btrnostn\u00edch podm\u00ednk\u00e1ch. Je odoln\u00e1 v\u016f\u010di suchu a \u010dasto m\u016f\u017ee b\u00fdt posledn\u00ed zelenou v\u011bc\u00ed na tr\u00e1vn\u00edku, ne\u017e ji zabije pozdn\u00ed podzimn\u00ed mr\u00e1z.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0160\u00ed\u0159en\u00ed<\/h2>\n\n<p>Ps\u00e1rka ro\u010dn\u00ed se \u0161\u00ed\u0159\u00ed semeny. Pokud se sem\u00ednk\u016fm nezabr\u00e1n\u00ed v kl\u00ed\u010den\u00ed, vytvo\u0159\u00ed ko\u0159eny a vyrostou jako nov\u00e9 rostliny. Vykl\u00ed\u010den\u00e1 ps\u00e1rka ro\u010dn\u00ed m\u016f\u017ee r\u016fst siln\u011bji, pokud se jej\u00ed dlouh\u00e9 stonky nechaj\u00ed spadnout a dot\u00fdkat se zem\u011b. Stonky mohou zako\u0159enit v uzlech a sekund\u00e1rn\u00ed stonky mohou vyra\u0161it z hlavn\u00edho stonku, jednu nebo dv\u011b stopy od hlavn\u00ed koruny.<\/p>\n\n<h2 class=\"wp-block-heading\">Prevence<\/h2>\n\n<p>Nejlep\u0161\u00edm zp\u016fsobem, jak zabr\u00e1nit vzniku ps\u00e1rky ro\u010dn\u00ed, je zabr\u00e1nit kl\u00ed\u010den\u00ed semen. Toho lze dos\u00e1hnout pou\u017eit\u00edm herbicidu p\u0159ed vzejit\u00edm na ja\u0159e. Herbicidy p\u0159ed vzejit\u00edm vytv\u00e1\u0159ej\u00ed na povrchu p\u016fdy bari\u00e9ru, kter\u00e1 br\u00e1n\u00ed semen\u016fm v absorbov\u00e1n\u00ed vody a kl\u00ed\u010den\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Kontrola<\/h2>\n\n<p>Pokud ji\u017e ps\u00e1rka ro\u010dn\u00ed vze\u0161la, lze ji zlikvidovat herbicidem po vzejit\u00ed. Herbicidy po vzejit\u00ed c\u00edl\u00ed na konkr\u00e9tn\u00ed plevele nebo kategorie rostlin, jako jsou tr\u00e1vy nebo \u0161irokolist\u00e9 rostliny. Je d\u016fle\u017eit\u00e9 pe\u010dliv\u011b si p\u0159e\u010d\u00edst etiketu herbicidu a dodr\u017eovat pokyny pro aplikaci.<\/p>\n\n<p>Mezi dal\u0161\u00ed metody kontroly ps\u00e1rky ro\u010dn\u00ed pat\u0159\u00ed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Udr\u017eov\u00e1n\u00ed zdrav\u00e9ho tr\u00e1vn\u00edku sek\u00e1n\u00edm na vysokou v\u00fd\u0161ku a hnojen\u00edm<\/li>\n<li>Ru\u010dn\u00ed vytrh\u00e1v\u00e1n\u00ed velk\u00fdch sazenic<\/li>\n<li>Odstra\u0148ov\u00e1n\u00ed odum\u0159el\u00fdch rostlin ps\u00e1rky ro\u010dn\u00ed<\/li>\n<li>P\u0159esazov\u00e1n\u00ed hol\u00fdch m\u00edst na tr\u00e1vn\u00edku zdrav\u00fdm tr\u00e1vn\u00edkem<\/li>\n<li>Mul\u010dov\u00e1n\u00ed oblast\u00ed bez tr\u00e1vn\u00edku<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed tipy<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Semena ps\u00e1rky ro\u010dn\u00ed mohou b\u00fdt \u0161\u00ed\u0159ena v\u011btrem a zv\u00ed\u0159aty. I kdy\u017e se v\u00e1m poda\u0159\u00ed \u00fasp\u011b\u0161n\u011b zlikvidovat ps\u00e1rku ro\u010dn\u00ed na sv\u00e9m pozemku, je mo\u017en\u00e9, \u017ee semena ze sousedn\u00edch pozemk\u016f p\u0159efouknou a vykl\u00ed\u010d\u00ed na va\u0161em tr\u00e1vn\u00edku.<\/li>\n<li>Je d\u016fle\u017eit\u00e9 ka\u017edoro\u010dn\u011b znovu aplikovat herbicid p\u0159ed vzejit\u00edm, abyste zabr\u00e1nili kl\u00ed\u010den\u00ed ps\u00e1rky ro\u010dn\u00ed.<\/li>\n<li>Herbicidy po vzejit\u00ed mohou ps\u00e1rku ro\u010dn\u00ed trvale zni\u010dit, ale nezabr\u00e1n\u00ed kl\u00ed\u010den\u00ed nov\u00fdch semen.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Jak vypad\u00e1 ps\u00e1rka ro\u010dn\u00ed Identifikace Ps\u00e1rka ro\u010dn\u00ed, v\u011bdeck\u00fdm n\u00e1zvem Digitaria, je b\u011b\u017en\u00fd jednolet\u00fd plevel, kter\u00fd m\u016f\u017ee b\u00fdt nep\u0159\u00edjemnost\u00ed na tr\u00e1vn\u00edc\u00edch a dal\u0161\u00edch ploch\u00e1ch. Sv\u016fj n\u00e1zev z\u00edskal podle sv\u00fdch rozprost\u00edraj\u00edc\u00edch se&hellip;<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8813],"tags":[8863,11246,8864,8848],"class_list":["post-6805","post","type-post","status-publish","format-standard","hentry","category-gardening","tag-weed-control","tag-crabgrass","tag-lawn-care","tag-gardening"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6805","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=6805"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6805\/revisions"}],"predecessor-version":[{"id":6806,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6805\/revisions\/6806"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=6805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=6805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=6805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}