[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.masacre.cz\/jakou-roli-hraje-moruse-bila-ve-vyrobe-hedvabi\/#Article","mainEntityOfPage":"https:\/\/www.masacre.cz\/jakou-roli-hraje-moruse-bila-ve-vyrobe-hedvabi\/","headline":"Jakou roli hraje moru\u0161e b\u00edl\u00e1 ve v\u00fdrob\u011b hedv\u00e1b\u00ed","name":"Jakou roli hraje moru\u0161e b\u00edl\u00e1 ve v\u00fdrob\u011b hedv\u00e1b\u00ed","description":"Ji\u017e od starov\u011bku bylo hedv\u00e1b\u00ed velmi cen\u011bnou l\u00e1tkou. Po velmi dlouhou dobu bylo vyhrazeno pouze pro nejvy\u0161\u0161\u00ed \u0161lechtu, a a\u010d je v sou\u010dasn\u00e9 dob\u011b dok\u00e1\u017eeme p\u0159ipravit synteticky, prav\u00e9mu se stejn\u011b nic nevyrovn\u00e1. V\u00edte ale, jak se v\u016fbec vyr\u00e1b\u00ed? Mo\u017en\u00e1 to pro mnoh\u00e9 bude p\u0159ekvapen\u00ed, ale je k tomu pot\u0159eba speci\u00e1ln\u00ed druh brouka, specificky mot\u00fdla. Jmenuje […]","datePublished":"2020-07-18","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.masacre.cz\/author\/#Person","name":"masacre.cz\n","url":"https:\/\/www.masacre.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/8eaf08ef5a7e54fc91db02b2058b03bc913caaaa39c046819bbf43d06bd23c2b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8eaf08ef5a7e54fc91db02b2058b03bc913caaaa39c046819bbf43d06bd23c2b?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"masacre.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.masacre.cz\/wp-content\/uploads\/bourec1.jpg","url":"https:\/\/www.masacre.cz\/wp-content\/uploads\/bourec1.jpg","height":0,"width":0},"url":"https:\/\/www.masacre.cz\/jakou-roli-hraje-moruse-bila-ve-vyrobe-hedvabi\/","wordCount":421,"articleBody":"            Ji\u017e od starov\u011bku bylo hedv\u00e1b\u00ed velmi cen\u011bnou l\u00e1tkou. Po velmi dlouhou dobu bylo vyhrazeno pouze pro nejvy\u0161\u0161\u00ed \u0161lechtu, a a\u010d je v sou\u010dasn\u00e9 dob\u011b dok\u00e1\u017eeme p\u0159ipravit synteticky, prav\u00e9mu se stejn\u011b nic nevyrovn\u00e1. V\u00edte ale, jak se v\u016fbec vyr\u00e1b\u00ed? Mo\u017en\u00e1 to pro mnoh\u00e9 bude p\u0159ekvapen\u00ed, ale je k tomu pot\u0159eba speci\u00e1ln\u00ed druh brouka, specificky mot\u00fdla. Jmenuje se bourec moru\u0161ov\u00fd a je to jeden z m\u00e1la druh\u016f nel\u00e9tav\u00fdch mot\u00fdl\u016f. Co v\u00edce, \u017eiv\u00ed se pouze listy, ve st\u00e1diu housenky, a kv\u011bty coby dosp\u011bl\u00fd, jen jednoho druhu kv\u011btiny. Tou je moru\u0161e b\u00edl\u00e1, a pr\u00e1v\u011b ta je pro produkci hedv\u00e1b\u00ed \u010dasto p\u011bstov\u00e1na.  A jak se tedy hedv\u00e1b\u00ed z\u00edsk\u00e1v\u00e1? Kl\u00ed\u010dem nejsou ani housenky, ani mot\u00fdli, n\u00fdbr\u017e jeho larv\u00e1ln\u00ed st\u00e1dium. Pr\u00e1v\u011b hedv\u00e1b\u00ed je toti\u017e materi\u00e1l, kter\u00fd produkuje p\u0159i zakuklen\u00ed. D\u00e1 se tedy \u0159\u00edci, \u017ee b\u011bhem prom\u011bny z housenky v mot\u00fdla je bourec moru\u0161ov\u00fd obalen\u00fd v hedv\u00e1b\u00ed. To je sice \u00fa\u017easn\u00e9, ale jak jej z n\u011bj dostaneme? Zp\u016fsobem, kter\u00fd se pou\u017e\u00edv\u00e1 ji\u017e bezm\u00e1la tis\u00edce let: larvy hod\u00edme do va\u0159\u00edc\u00ed vody. Ta uvoln\u00ed kuklu natolik, \u017ee z n\u00ed je pak mo\u017en\u00e9 hedv\u00e1b\u00ed extrahovat. Pak u\u017e je to jen ot\u00e1zkou \u010di\u0161t\u011bn\u00ed, p\u0159\u00edpadn\u011b i barven\u00ed, na namot\u00e1n\u00ed na \u0161pulku.  Nev\u00fdhodou samoz\u0159ejm\u011b je, \u017ee b\u011bhem t\u00e9to procedury mot\u00fdli zahynou. Je jich tedy t\u0159eba n\u011bkolik nechat proj\u00edt cel\u00fdm procesem, aby byla zaji\u0161t\u011bna dal\u0161\u00ed generace. Jen tak bude zaji\u0161t\u011bna kontinu\u00e1ln\u00ed produkce hedv\u00e1b\u00ed. Av\u0161ak ani to nen\u00ed v\u0161e, na co se mus\u00ed d\u00e1vat pozor. Mno\u017estv\u00ed housenek na jednu rostlinu, kterou se \u017eiv\u00ed, nesm\u00ed b\u00fdt tak velk\u00e9, aby ji zahubilo. Nav\u00edc mus\u00ed b\u00fdt v takov\u00e9m stavu, aby kvetla a poskytla j\u00eddlo dosp\u011bl\u00fdch mot\u00fdl\u016fm, kte\u0159\u00ed sice \u017eij\u00ed jen p\u00e1r dn\u00ed, av\u0161ak p\u0159esto pot\u0159ebuj\u00ed dostatek energie a \u017eivin pro rozmno\u017eov\u00e1n\u00ed a pro zd\u00e1rnou produkci vaj\u00ed\u010dek. Jak je vid\u011bt, cel\u00fd proces je mnohem n\u00e1ro\u010dn\u011bj\u0161\u00ed, ne\u017e by se zd\u00e1lo. Nem\u011bli bychom se tedy divit, \u017ee jeho cena je takov\u00e1, jak\u00e1 je. P\u0159eci jen, je vyv\u00e1\u017eena mno\u017estv\u00edm \u017eivot\u016f, by\u0165 hmyz\u00edch.                                                                                                                                                                                                                                                                                                                                                                                          3.5\/5 - (2 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jakou roli hraje moru\u0161e b\u00edl\u00e1 ve v\u00fdrob\u011b hedv\u00e1b\u00ed","item":"https:\/\/www.masacre.cz\/jakou-roli-hraje-moruse-bila-ve-vyrobe-hedvabi\/#breadcrumbitem"}]}]