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Spremljanje razkrojenosti bukovine z napravo pilodyn 6J : diplomski projekt
Klinc, Jernej (Author), Humar, Miha (Mentor) More about this mentor... This link opens in a new window, Oven, Primož (Reviewer)

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Abstract
Les v uporabi je najbolj ogrožen zaradi delovanja gliv razkrojevalk, saj le-te povzročajo kemične in fizikalne spremembe v lesu in tako poslabšajo njegove mehanske lastnosti. Če les uporabljamo v gradbene namene želimo, da ta čim dlje obdrži svoje mehanske lastnosti. Pomembno je, da slabšanje mehanskih lastnosti odkrijemo že v prvi fazi razkroja, tako da lahko preprečimo nadaljnji razkroj. Z napravo Pilodyn 6J lahko izvajamo zgodnjo detekcijo razkroja. Za ugotavljanje stopnje razkrojenosti in globino prodora igle Pilodyn, smo pripravili orientirane vzorce (50 mm x 50 mm x 50 mm), jih sterilizirali in izpostavili čistim kulturam gliv bele trohnobe za 3 do 21 tednov. Vsakih 14 dni smo vzorce izolirali in določali globino prodora igle v 6 smereh. Potrdili smo povezavo med izgubo mase in globino prodora igle Pilodyin v les, podobno kot je bilo to že opisano pri smrekovini, ki je bila izpostavljena glivam rjave trohnobe.

Language:Slovenian
Keywords:les, glive bele trohnobe, okužba, bukovina, Pilodyn 6J
Work type:Bachelor thesis/paper (mb11)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2012
Publisher:[J. Klinc]
Number of pages:VIII, 30 str.
Place:Ljubljana
UDC:630*844.2
COBISS.SI-ID:2045577 Link is opened in a new window
Views:1054
Downloads:201
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Secondary language

Language:English
Title:Monitoring of beech wood degradation with pilodyn 6J device : B. Sc. thesis
Abstract:
Wood in use is threatened by the action of decay fungi, because these cause chemical and physical changes in wood. Thus it looses mechanical properties. If wood is used for construction purposes, we want to retain its mechanical properties as long as possible. From the security point of view, it is important that the degradation is detected as soon as possible in order to draw proper security measures. The Pilodyn 6J device can be used for early detection of decay. To determine the rate of disintegration and the depth of the Pilodyn needle penetration, we prepared oriented samples (50 mm x 50 mm x 50 mm), sterilized and exposed them to pure cultures of white-rot fungi for 3 to 21 weeks. Every 2 weeks samples were isolated and the depth of penetration of the needle in 6 directions was determined. The correlation between weight loss and the depth of penetration of the Pilodyn needle in wood was confirmed, as it was previously described for spruce exposed to brown-rot fungi.

Keywords:wood, decay, white-rot fungi, infestation, beech wood, Pilodyn 6J

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