{"id":122410,"date":"2021-07-24T08:45:46","date_gmt":"2021-07-24T15:45:46","guid":{"rendered":"https:\/\/www.pandasilk.com\/respiration-of-silkworm\/"},"modified":"2025-01-15T10:41:26","modified_gmt":"2025-01-15T18:41:26","slug":"respiration-of-silkworm","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/respiration-of-silkworm\/","title":{"rendered":"D\u00fdch\u00e1n\u00ed bource moru\u0161ov\u00e9ho: detailn\u00ed pohled"},"content":{"rendered":"<p>Bource moru\u0161ov\u00e9ho, tedy hedv\u00e1bn\u00edka moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm procesem, kter\u00fd je kl\u00ed\u010dov\u00fd pro jeho v\u00fdvoj a p\u0159e\u017eit\u00ed.  Od vaj\u00ed\u010dka a\u017e po dosp\u011bl\u00e9ho mot\u00fdla se zp\u016fsob d\u00fdch\u00e1n\u00ed tohoto hmyzu m\u011bn\u00ed a p\u0159izp\u016fsobuje se jeho pot\u0159eb\u00e1m v dan\u00e9 f\u00e1zi \u017eivotn\u00edho cyklu. Pochopen\u00ed tohoto procesu n\u00e1m umo\u017e\u0148uje l\u00e9pe porozum\u011bt  tomuto  d\u016fle\u017eit\u00e9mu hmyzu, kter\u00fd n\u00e1m poskytuje  cenn\u00e9 hedv\u00e1b\u00ed.<\/p>\n<h3>D\u00fdch\u00e1n\u00ed v larv\u00e1ln\u00edm st\u00e1diu<\/h3>\n<p>Larva bource moru\u0161ov\u00e9ho, zn\u00e1m\u00e1 tak\u00e9 jako housenka, d\u00fdch\u00e1 pomoc\u00ed syst\u00e9mu trachej\u00ed.  Tracheje jsou drobn\u00e9 trubi\u010dky, kter\u00e9 se rozv\u011btvuj\u00ed po cel\u00e9m t\u011ble housenky a p\u0159iv\u00e1d\u011bj\u00ed kysl\u00edk p\u0159\u00edmo k tk\u00e1n\u00edm.  Na povrchu t\u011bla se nach\u00e1zej\u00ed otvory zvan\u00e9 stigmata, kter\u00fdmi vzduch vstupuje do trachej\u00ed.<\/p>\n<h3>V\u00fdznam kysl\u00edku pro r\u016fst<\/h3>\n<p>Kysl\u00edk je pro larvu bource moru\u0161ov\u00e9ho nezbytn\u00fd pro jej\u00ed rychl\u00fd r\u016fst a v\u00fdvoj.  Energie pot\u0159ebn\u00e1 pro tvorbu hedv\u00e1b\u00ed a pro metamorf\u00f3zu je z\u00edsk\u00e1v\u00e1na bun\u011b\u010dn\u00fdm d\u00fdch\u00e1n\u00edm, p\u0159i kter\u00e9m se gluk\u00f3za rozkl\u00e1d\u00e1 za p\u0159\u00edtomnosti kysl\u00edku.<\/p>\n<h3>Regulace d\u00fdch\u00e1n\u00ed<\/h3>\n<p>D\u00fdch\u00e1n\u00ed housenky je regulov\u00e1no otev\u00edr\u00e1n\u00edm a zav\u00edr\u00e1n\u00edm stigmat.  T\u00edmto zp\u016fsobem housenka kontroluje p\u0159\u00edjem kysl\u00edku a v\u00fddej oxidu uhli\u010dit\u00e9ho a z\u00e1rove\u0148 minimalizuje ztr\u00e1ty vody.<\/p>\n<h3>D\u00fdch\u00e1n\u00ed v kukle<\/h3>\n<p>B\u011bhem st\u00e1dia kukly, kdy se larva p\u0159em\u011b\u0148uje na dosp\u011bl\u00e9ho mot\u00fdla, se d\u00fdch\u00e1n\u00ed zpomaluje.  Kysl\u00edk je st\u00e1le pot\u0159ebn\u00fd pro prob\u00edhaj\u00edc\u00ed metamorf\u00f3zu, ale v men\u0161\u00edm mno\u017estv\u00ed.<\/p>\n<h3>Tabulka: Srovn\u00e1n\u00ed d\u00fdch\u00e1n\u00ed v larv\u00e1ln\u00edm st\u00e1diu a v kukle<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Charakteristika<\/th>\n<th>Larv\u00e1ln\u00ed st\u00e1dium<\/th>\n<th>Kukla<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Intenzita d\u00fdch\u00e1n\u00ed<\/td>\n<td>Vysok\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Pot\u0159eba kysl\u00edku<\/td>\n<td>Vysok\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Aktivita<\/td>\n<td>Vysok\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>R\u016fst a v\u00fdvoj<\/td>\n<td>Intenzivn\u00ed<\/td>\n<td>Metamorf\u00f3za<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>D\u00fdch\u00e1n\u00ed dosp\u011bl\u00e9ho mot\u00fdla<\/h3>\n<p>Dosp\u011bl\u00fd mot\u00fdl bource moru\u0161ov\u00e9ho d\u00fdch\u00e1 tak\u00e9 pomoc\u00ed trachej\u00ed a stigmat.  Jeho d\u00fdch\u00e1n\u00ed je intenzivn\u011bj\u0161\u00ed ne\u017e v kukle, proto\u017ee mot\u00fdl je aktivn\u011bj\u0161\u00ed a pot\u0159ebuje energii pro let a rozmno\u017eov\u00e1n\u00ed.<\/p>\n<h3>Vliv prost\u0159ed\u00ed na d\u00fdch\u00e1n\u00ed<\/h3>\n<p>Teplota a vlhkost prost\u0159ed\u00ed ovliv\u0148uj\u00ed d\u00fdch\u00e1n\u00ed bource moru\u0161ov\u00e9ho.  Vysok\u00e9 teploty zvy\u0161uj\u00ed intenzitu d\u00fdch\u00e1n\u00ed, zat\u00edmco n\u00edzk\u00e1 vlhkost m\u016f\u017ee v\u00e9st k dehydrataci a zt\u00ed\u017een\u00e9mu d\u00fdch\u00e1n\u00ed.<\/p>\n<p>D\u00fdch\u00e1n\u00ed bource moru\u0161ov\u00e9ho je komplexn\u00ed proces, kter\u00fd se m\u011bn\u00ed v pr\u016fb\u011bhu jeho \u017eivotn\u00edho cyklu.  Ka\u017ed\u00e1 f\u00e1ze, od larvy p\u0159es kuklu a\u017e po dosp\u011bl\u00e9ho mot\u00fdla, m\u00e1 specifick\u00e9 n\u00e1roky na kysl\u00edk.  Pochopen\u00ed t\u011bchto n\u00e1rok\u016f je d\u016fle\u017eit\u00e9 pro \u00fasp\u011b\u0161n\u00fd chov bource moru\u0161ov\u00e9ho a pro produkci kvalitn\u00edho hedv\u00e1b\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bource moru\u0161ov\u00e9ho, tedy hedv\u00e1bn\u00edka moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm procesem, kter\u00fd je kl\u00ed\u010dov\u00fd pro jeho v\u00fdvoj a p\u0159e\u017eit\u00ed. Od vaj\u00ed\u010dka a\u017e po dosp\u011bl\u00e9ho mot\u00fdla se zp\u016fsob d\u00fdch\u00e1n\u00ed tohoto hmyzu m\u011bn\u00ed a p\u0159izp\u016fsobuje se jeho pot\u0159eb\u00e1m v dan\u00e9 f\u00e1zi \u017eivotn\u00edho cyklu. Pochopen\u00ed tohoto procesu n\u00e1m umo\u017e\u0148uje l\u00e9pe porozum\u011bt tomuto d\u016fle\u017eit\u00e9mu hmyzu, kter\u00fd n\u00e1m poskytuje cenn\u00e9 hedv\u00e1b\u00ed.<\/p>\n","protected":false},"author":1,"featured_media":6258,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37831],"tags":[],"class_list":["post-122410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sericulture-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/122410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=122410"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/122410\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/6258"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=122410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=122410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=122410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}