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Barva in odpornost lesa evropskega in ameriškega oreha : diplomsko delo - visokošolski strokovni študij = Colour and resistance of European and American walnut wood to fungi : graduation thesis - higher professional studiesSmole, Jože, 1984-Na vzorcih lesa evropskega in ameriškega oreha (Juglans regia L. in Juglans nigra L.) smo opravili meritve barve s sistemom CIEL*a*b. Z laboratorijskim testom naravne odpornosti in mikroskopsko smo ... ovrednotili posledice razkroja z glivami: pisano ploskocevko (Trametes versicolor), rjavo tramovko (Gloeophyllum trabeum ) in belo hišno gobo (Poria vaillantii). Rezultati kažejo, da pri evropskem in ameriškem orehu lahko z meritvami svetlosti ločimo beljavo od jedrovine. Z meritvami barve razlikovanje med lesnima vrstama ni mogoče, lahko pa vrsti ločimo lesno anatomsko. Ameriški oreh v lesu vsebuje romboidne kristale in ima heterogeno trakovno tkivo, evropski pa nima kristalov in ima homogene trakove. Testi naravne odpornosti so pokazali, da je evropski oreh manj odporen na delovanje pisane ploskocevke in da sta predela beljave in stržena manj odporna v primerjavi z jedrovino in predelom prog. Pri izpostavitvi rjavi tramovki so rezultati testa primerljivi. Pri izpostavitvi beli hišni gobi se je ameriški oreh izkazal za bolj odpornega od evropskega. Beljava in stržen obeh drevesnih vrst sta manj odporna od jedrovine. Izkazalo se je, da sta predela prog in jedrovine obeh drevesnih vrst bolj odporna kot beljava in stržen, ter da prihaja do razlik v stopnji razkroja pri delovanju različnih gliv. Pod mikroskopom smo na mikroskopskih preparatih lesa prikazali posledice razkroja celičnih sten zaradi delovanja različnih gliv.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Smole], 2010Language - slovenianCOBISS.SI-ID - 1870729
Author
Smole, Jože, 1984-
Other authors
Čufar, Katarina |
Pohleven, Franc
Topics
evropski oreh |
ameriški oreh |
naravna odpornost |
glive |
European walnut |
American walnut |
natural resistance |
fungi
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Smole, Jože, 1984- | |
Čufar, Katarina | 02937 |
Pohleven, Franc | 05248 |
Source: Personal bibliographies
and: SICRIS
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