[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.klapp.cz\/i-rostliny-maji-hormony\/#Article","mainEntityOfPage":"https:\/\/www.klapp.cz\/i-rostliny-maji-hormony\/","headline":"I rostliny maj\u00ed hormony","name":"I rostliny maj\u00ed hormony","description":"A\u010d se to m\u016f\u017ee zd\u00e1t p\u0159ekvapiv\u00e9, rostliny se mus\u00ed podobn\u011b jako \u017eivo\u010dichov\u00e9 dorozum\u00edvat se sv\u00fdm okol\u00edm. Nemaj\u00ed sice centralizovan\u00fd syst\u00e9m hormon\u016f jako je tomu nap\u0159\u00edklad … ","datePublished":"2019-09-17","dateModified":"2023-05-26","author":{"@type":"Person","@id":"https:\/\/www.klapp.cz\/author\/#Person","name":"","url":"https:\/\/www.klapp.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9478c3014fb8763e2a18691ad6bf83eff86429738afad80df8227ac472865e36?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9478c3014fb8763e2a18691ad6bf83eff86429738afad80df8227ac472865e36?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"klapp.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.klapp.cz\/wp-content\/uploads\/img_a355170_w3668_t1569573304.jpg","url":"https:\/\/www.klapp.cz\/wp-content\/uploads\/img_a355170_w3668_t1569573304.jpg","height":0,"width":0},"url":"https:\/\/www.klapp.cz\/i-rostliny-maji-hormony\/","about":["V\u011bda"],"wordCount":485,"articleBody":"A\u010d se to m\u016f\u017ee zd\u00e1t p\u0159ekvapiv\u00e9, rostliny se mus\u00ed podobn\u011b jako \u017eivo\u010dichov\u00e9 dorozum\u00edvat se sv\u00fdm okol\u00edm. Nemaj\u00ed sice centralizovan\u00fd syst\u00e9m hormon\u016f jako je tomu nap\u0159\u00edklad u lid\u00ed. Zat\u00edmco jedna l\u00e1tka se m\u016f\u017ee v mal\u00e9m mno\u017estv\u00ed chovat ur\u010dit\u00fdm zp\u016fsobem, vy\u0161\u0161\u00ed koncentrace stejn\u00e9 l\u00e1tky m\u016f\u017ee p\u016fsobit antagonicky (tedy opa\u010dn\u011b). Velmi tedy z\u00e1le\u017e\u00ed na koncentraci rostlinn\u00fdch hormon\u016f. Tak\u00e9 je nutno podotknout, \u017ee funkce mnoh\u00fdch z nich jsou nyn\u00ed centr\u00e1ln\u00edm t\u00e9matem v\u00fdzkumu. Spolu s t\u00edm i jejich extern\u00ed aplikace na rostliny ve spojen\u00ed s vy\u0161\u0161\u00edmi v\u00fdnosy.  Existuje asi p\u011bt z\u00e1kladn\u00edch druh\u016f, kter\u00e9 se d\u011bl\u00ed na stimul\u00e1tory a inhibitory r\u016fstu. Jedn\u00e1 se o auxiny, cytokininy, ethylen, gibereliny a kyselinu abscisovou. ·         Kl\u00ed\u010den\u00edV semenech jsou ulo\u017een\u00e9 hormony zvan\u00e9 gibereliny, kter\u00e9 po namo\u010den\u00ed semen do vody spust\u00ed mechanismus produkce enzymu zvan\u00fd alfa-amyl\u00e1za, kter\u00fd zp\u016fsob\u00ed rozkladu \u0161krobu na jednodu\u0161\u0161\u00ed cukry a zp\u0159\u00edstupn\u00ed kl\u00ed\u010dku dostate\u010dnou v\u00fd\u017eivu.Gibereliny d\u00e1le podporuj\u00ed vysok\u00fd r\u016fst. Florigen je zodpov\u011bdn\u00fd za vyvol\u00e1n\u00ed kveten\u00ed.·         Opad kv\u011bt\u016fEthylen je odpadn\u00ed plyn, vylu\u010dovan\u00fd dozr\u00e1vaj\u00edc\u00edmi plody. \u010casto interaguje s jin\u00fdmi fytohormony, u kvetouc\u00edch rostlin tak zp\u016fsobuje rychlej\u0161\u00ed odkv\u011bt a opad\u00e1v\u00e1n\u00ed list\u016f. Doporu\u010duje se proto ned\u00e1vat miska s dozr\u00e1vaj\u00edc\u00edm ovocem pobl\u00ed\u017e v\u00e1zy s kytkami.·         Ot\u00e1\u010den\u00ed za sv\u011btlem a apik\u00e1ln\u00ed dominance (rozv\u011btven\u00ed r\u016fstu)Zaj\u00edmali jste se n\u011bkdy o to, pro\u010d p\u0159i za\u0161t\u00edpnut\u00ed vr\u0161ku rostliny doch\u00e1z\u00ed k rozv\u011btven\u00ed stonku? Je to kv\u016fli tomu, \u017ee v apik\u00e1ln\u00edm merist\u00e9mu (pletivo na vrcholu hlavn\u00edho km\u00ednku) se hromad\u00ed fytohormon auxin. P\u0159i u\u0161t\u00edpnut\u00ed tohoto vr\u0161ku se auxin rovnom\u011brn\u011bji rozdistribuuje i do postrann\u00edch stonk\u016f a umo\u017e\u0148uje jejich r\u016fst. M\u016f\u017ee tak\u00e9 za polaritu bun\u011bk v rostlin\u011b a kyselost\u00ed pletiva ovliv\u0148uje ot\u00e1\u010den\u00ed stonku a list\u00ed za sv\u011btlem.·         Zpomalen\u00ed st\u00e1rnut\u00edZa zpomalen\u00ed degradace chlorofylu jsou zodpov\u011bdn\u00e9 cytokininy. Jsou syntetizov\u00e1ny v ko\u0159enech a do zbytku rostliny transportov\u00e1ny.·         SuchoKyselina abscisov\u00e1 je l\u00e1tka, kter\u00e1 \u0159\u00edd\u00ed otev\u00edran\u00ed pr\u016fduch\u016f a reaguje tak na nedostatek vody. Jej\u00ed produkce je \u0159\u00edzena stresov\u00fdmi proteiny, pokud je del\u0161\u00ed dobu sucho, doch\u00e1z\u00ed k jej\u00ed nadprodukci a k zav\u00edr\u00e1n\u00ed pr\u016fduch\u016f.                                                                                                                                                                                                                                                                                                                                                                                        4.9\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"I rostliny maj\u00ed hormony","item":"https:\/\/www.klapp.cz\/i-rostliny-maji-hormony\/#breadcrumbitem"}]}]