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Tipi ektomikorize pri sadikah bukve (Fagus sylvatica L.) v rizotronih = Types of ectomycorrhizae on beech seedlings (Fagus sylvatica L.) in rhizotronsŠtraus, Ines ...Naravni procesi ali dejavnost človeka vplivajo na razmere v okolju, kar se zrcali v sestavi ektomikoriznih združb. V raziskavi smo želeli ugotavljati morebitne vplive več temperaturnih režimov zraka ... in tal (substrata) na pojavljanje in vrstno pestrost tipov ektomikorize na koreninskih vršičkih sadik bukve in v substratu. V ta namen smo analizirali pojavljanje tipov ektomikorize na sadikah bukve v rizotronih, izpostavljenih štirim temperaturnim razmeram v okolju: 1.) zrak 15-25 °C; 2.) zrak 15-25 °C v kombinaciji s hlajenim koreninskim sistemom za 5 °C; 3.) povišana temperatura zraka od 30-50 °C in 4.) zunanja (ambientalna) temperatura zraka v Ljubljani. Tipe ektomikorize smo identificirali s kombiniranim pristopom po anatomsko morfoloških znakih in z analizo molekularnih markerjev (ITS1-5.8S rDNK-ITS2 ribosomalna regija v rDNK). Na 51 koreninskih vršičkih 40 sadik smo identificirali 6 tipov ektomikorize. Pestrost ektomikoriznih tipov je bila največja pri razmerah blizu optimalnih za rast bukve. Po vrstni sestavi združbe ektomikoriznih gliv sta si najbolj podobna poskusa s temperaturo zraka15-25 °C z ali brez hlajenja koreninskega sistema. Najpogostejša ektomikorizna vrsta je bila Hebeloma sacchariolens, ki je bila tudi najpogosteje opažena vrsta na drobnih koreninah odmrlih sadik. Izbrane vrste ektomikoriznih gliv smo z metodo DGGE dokazali tudi v vseh analiziranih vzorcih substrata.Source: Zbornik gozdarstva in lesarstva = Research reports : forest and wood science & technology. - ISSN 0351-3114 (Št. 95, 2011, str. 23-36)Type of material - article, component part ; adult, seriousPublish date - 2011Language - slovenianCOBISS.SI-ID - 3256998
Author
Štraus, Ines |
Bajc, Marko, 1979- |
Grebenc, Tine |
Mali, Boštjan |
Kraigher, Hojka
Topics
sadike bukve |
ektomikoriza |
temperatura zraka |
temperatura substrata |
molekularni markerji |
filogenija
source: Zbornik gozdarstva in lesarstva = Research reports : forest and wood science & technology. - ISSN 0351-3114 (Št. 95, 2011, str. 23-36)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Štraus, Ines | 32771 |
Bajc, Marko, 1979- | 29875 |
Grebenc, Tine | 21242 |
Mali, Boštjan | 29237 |
Kraigher, Hojka | 07127 |
Source: Personal bibliographies
and: SICRIS
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