oyster mushroom, production parameters, grapewine stem based selective substrate
Summary:
In this work, the study of viability of the grapewine stem use, alone or combined with other lignocelulosic
materials, in the elaboration of specific substrates for the cultivation of Pleurotus ostreatus (Jacq.
ex Fr.) Kummer, second mushroom in importance cultivated in Spain, is described. Furthermore, two different
methods of preparation of the substrate and two container sizes have been considered. As for
the production parameters, the best results have been provided by the substrates that combined grapewine
stem with straw and with kenaf, being unfavorable the substrates based in just grapewine stem
or combined with olive mill dried waste. As for the treatment applied to the materials, the immersion
in water with fungicide and later pasteurization has been favoured in front of the immersion in water
alone and subsequent pasteurization and thermophilic conditioning. On the other hand, the format of
large bag (15 kg of substrate) provided better results that the small one (5 kg of substarte).
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