Scholarly record

TESTING OF THE WOOD-DESTROYING FUNGI UTILIZATION AT THE URBAN FORESTS IN KRUPINA

Miroslav Hrasko, Peter Mitter, Viktor Kohut

Abstract

Growing a healthy, stable and quality forest stands while using their products in the most effective way possible is the primary aim of every forest manager, as well as the forestпїЅs owner, considering the fact that wood mass is still the most important source of income for the forest management in Slovakia. As a result of wood logging and conversion, a significant amount of waste wood mass is left over in the forest, manipulation sites, wood stocks, warehouses and saw pits. The waste wood, consisting of pieces of various size and quality, clutters the space and is problematic and financially unviable to dispose of by most of the conventional means. However, based on knowledge acquired on abilities of wood destroying fungi, it is possible to use these organisms to utilize this waste wood to essentially convert it to form that is not only harmless, but also profitable to the nature. Considering the options, mainly the logging activity, availability and amount of substrate, and waste dendromass of various quality, as well as the previous experience, it appears that the Oyster mushroom Pleurotus ostreatus (Jacq.) P. Kumm and the Shiitake mushroom Lentinula edodes (Berkeley) Pegler would be the most suitable for this use. This project is focused on decay of various wood fractions of deciduous trees, monitoring both decay progress and production (quantity and quality) of the Oyster and Shiitake mushrooms, evaluation of the biological viability, as well as the overall efficacy evaluation of this way of dendromass decay. The aim of this experiment is to achieve the decay of waste wood in an eco-friendly way, profitable to both nature and forest management. The waste wood material consists of mixture of wood pieces, bark, soil and mineral subsoil. This material, present in large quantities at the UF Krupina, is an obstacle that clutters the manipulation space; wood destroying mushrooms could indubitably be the suitable option in this case. The results of long-term research in the forest conditions (including UF Krupina) confirm that the Oyster mushroom effectively increases the decay rate of waste dendromass, while testing different means of inoculation and protection of already infected dendromass in order to achieve the most thorough decay while providing the highest possible quality and quantity of mushrooms in unsterile conditions of forest stands.

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DOI resolver: doi.org/10.5593/sgem2017/32/s14.123

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