Promena tvrdoće drveta kitnjaka - Quercus petraea agg. pod uticajem gljive Coniophora puteana (Schumm. ex Fr) Karst., izazivača mrke prizmatične truleži

Abstract

Ispitan je uticaj prouzrokovača mrke prizmatične truleži Coniophora puteana (Schumm. ex Fr) Karst., na smanjenje tvrdoće drveta kitnjaka (Quercus petraea agg). Uzorci drveta (2 x 2 x 4 cm) su izlagani dejstvu dikarione micelije u plastičnim kontejnerima. Utvrđeno je da se tvrdoća drveta Q. petraea agg. posle 2, 4 i 6 meseci smanjila u odnosu na početnu (100%) i iznosila 92,28%, 84,33% i 34,13%. Korelacionom analizom smanjenja tvrdoće drveta kitnjaka (σs – zavisno promenljiva) u odnosu na vreme dejstva gljive C. puteana (T – nezavisno promenljiva), konstatovana je jaka veza između promenljivih i dobijena je regresiona jednačina: Hb = 86,925 – 8,2325 x T.

It have been investigated the impact of the brown rott fungi Coniophora puteana (Schumm. ex Fr) Karst., in decrease of hardness of Q. petraea agg. The wood samples for the research (2 x 2 x 4 cm) have been exposed to the impact of the mycelia in plastic boxes. The hardness after 2, 4 and 6 months decreased in comparison with initial ones (100%) and reached 92,28%, 84,33% and 34,13%. By using correlation analyses of Q. petraea agg. of hardness decrease (σs – dependent variable) in relation to the incubation period of time (T – independent variable) strong correlation between variables was established, and regression equation was: Hb = 86,925 – 8,2325 x T.