Acta Univ. Agric. Silvic. Mendelianae Brun. 2017, 65(4), 1175-1181 | DOI: 10.11118/actaun201765041175

Comparing Treatment Methods of Apple Tree Chips in Terms of Mycelia Growth of Oyster Mushroom (Pleurotus ostreatus (Jacq.) P. Kumm)

Ivan Jablonský1, Martin Koudela1, David Novotný2
1 Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources, Department of Horticulture, Kamýcká 129, 165 21 Prague, Czech Republic
2 Crop Research Institute v.v.i, Prague, Drnovská 507/73, 161 06 Prague, Czech Republic

In this study, we chemically treated apple tree chips and evaluated the colonisation of these substrates by the mycelium of Pleurotus. ostreatus. Chips were treated by a liquid surfactant Empigen OB (0.02-0.32 %), calcium hydroxide Ca(OH)2 (1-3 %) and sodium hypochlorite NaClO (0.5-1.5 %), and by their combinations. Substrates treated with a combination of the Empigen and NaClO reached the pH values of 6.5, with a combination of the Empigen and hydroxide, pH values did not exceed 7.9. Significantly higher gains of P. ostreatus mycelium 15 days after inoculation were found for the substrate treated with 2 % Ca(OH)2 and in the substrate treated with 0.08 % Empigen. The majority of substrates treated with the combination of NaClO and the Empigen showed significantly higher mycelium gains 15 days after inoculation compared to the control. The best results were obtained with the combination 0.08 % Empigen + 1.5 % NaClO. These results indicate positive synergic effect of the Empigen and NaClO. Collectively, treatment of the substrate based on apple tree chips by surfactant Empigen, Ca(OH)2 and NaClO (apart from the combination of the surfactant and Ca(OH)2 seem to be a suitable approach for substrate preparation.

Keywords: oyster mushroom, apple tree chips, mycelium, substrate, surfactant, calcium hydroxide, sodium hypochlorite
Grants and funding:

This paper was supported by Grant Agency NAZV [nr. QJ1210104].

Published: September 1, 2017  Show citation

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Jablonský, I., Koudela, M., & Novotný, D. (2017). Comparing Treatment Methods of Apple Tree Chips in Terms of Mycelia Growth of Oyster Mushroom (Pleurotus ostreatus (Jacq.) P. Kumm). Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis65(4), 1175-1181. doi: 10.11118/actaun201765041175
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