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2017, N 2 (28) |
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MYCOLOGY
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Pavlov I., Litovka Yu., Mulyava V.V., Safronova I., Kulakov S., Pashenova N., Mulyava V.E. |
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Bioconversion of timber processing waste by xylotrophic basidiomycete PLEUROTUS ERYNGII (DC.) Quel. |
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The high ability of the Pleurotus eryngii (strain Р22) to grow successfully on various substrates, established as a result of many years of research and experimental cultivation. This is made it possible to use the waste of timber processing without careful separation by species, but with the obligatory addition of substandard grain (wheat, oats) and needles after the extraction of oils. As a result of a series of Factorial ANOVA analyzes, the following parameters have been significantly influenced on the productivity and the rapidity of overgrowing of the sawdust blocks: the presence in the substrate of an optimal ratio of small and large fractions of wood (P <0.001); timely perforation of packages, which ensures optimization of CO2 concentration in the block (P <0.001); the presence of pine needles in the growth substrate after the extraction of oils with superheated steam (P <0.01), fir (P <0.001), birch (P <0.001), aspen (P <0.001). Optimization of growth substrates (by composition and structure) and conditions for its cultivation for obtaining fruit bodies during two fruiting waves was carried out. The intensive technology was performed in the greenhouse (controlled conditions) with the use waste of wood processing (coniferous sawdust, chips and needles after the extraction of oils by superheated steam).
Keywords: BIOCONVERSION OF LIGNOCELLULOSIC BIOMASS, WOOD-DESTROYING FUNGI, PLEUROTUS ERYNGII, OPTIMIZATION OF SUBSTRATE COMPOSITION, BIOLOGICAL EFFECTIVENESS |