Mycelium growth kinetics and optimal temperature conditions for the cultivation of edible mushroom species on lignocellulosic substrates
2001
Zervakis, G. | Ioannidou, S. (National Agricultural Research Foundation, Kalamata (Greece). Inst. of Kalamata) | Philippoussis, A. | Diamantopoulou, P.
The influence of environmental parameters on mycelial linear growth of Pleurotus ostreatus, P. eryngii, P. pulmonarius, Agrocybe aegerita, Lentinula edodes, Volvariella volvacea and Auricularia auricula-judae was determined in two different nutrient media in a wide range of temperature, forming the basis for the assessment of their temperature optima. V. volvacea grew faster at 35 deg C, P. eryngii at 25 deg C, P. ostreatus and P. pulmonarius at 30 deg C, A. aegerita at 25 or 30 deg C and A. auricula-judae at 20 or 25 deg C depending on the mutrient medium used and L. edodes at 20 or 30 deg C depending on the strain examined. The mycelium extension rates were evaluated on seven mushroom cultivation substrates: wheat straw, cotton gin-trash, peanut shells, poplar sawdust, oak sawdust, corn cobs and olive press-cake. The mycelium extension rates were found to be the highest on cotton gin-trash, peanut shells and poplar sawdusrt for Pleurotus spp. and A. aegerita. Wheat straw, peanut shells and particularly cotton gin-trash supported fast growth of V. volvacea, whereas wheat straw was the most suitable substrate for L. edodes and A. auricula-judae.
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