Vpliv zakisanja na fungicidne lastnosti CCB pripravkov : diplomsko delo (univerzitetni študij) = Influence of wood acidifying on fungicidal properties of CCB preservatives : graduation thesis (university studies)
Gantar, Marko
Toleranca nekaterih gliv na baker je že dolgo znana, vendar še ni v celoti pojasnjena. Strokovnjaki velik vpliv pripisujejo oksalni kislini, ki jo izločajo tolerantni sevi gliv. Želeli smo osvetliti ...vpliv tudi nekaterih drugih kislin na tolerantnost. S CCB impregnirane vzorce lesa smo dodatno prepojili z različnimi kislinami (oksalno, ocetno, mravljično, mlečno in žvepleno). Po mini blok testni metodi smo jih izpostavili 4. lesnim glivam rjave trohnobe (Antrodia vaillantii, Leucogyrophana pinastri, Poria monticola in Gloeophyllum trabeum). Vpliv zakisanja na fungicidne lastnosti lesa smo ugotavljali vizualno s preraščanjem micelija glive ter gravimetrično. Po izpostavitvi smo vzorce analizirali z nihajno spektroskopijo (FT-IR) in elektronsko paramagnetno resonanco (EPR). Razlike, povzročene z glivnim razkrojem, smo primerjali s spremembami, ki so jih povzročile kisline. Ugotovili smo, da ne glede na to s katero kislino zakisamo impregnirani les, ta postane za glive bolj dovzeten. Poleg tega smo opazili, da glivni razkroj ni primerljiv s hidrolizo lesa s kislinami.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [M. Gantar], 2003
Knjižnica BF za lesarstvo dn 0000000776 IN: 020030150
Knjižnica BF za lesarstvo dn 776 IN: 020030150
available - reading room
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