Shiitake mushroom cultivation in composted substrate: is it possible?
CASTRO, C. P. DE | ABREU, C. G. DE | MORAES, T. S. J. DE | ZIED, D. C. | SIQUEIRA, F. G. DE | DIAS, E. S. | CIBELLI PAULA DE CASTRO, UNIVERSIDADE FEDERAL DE LAVRAS | CARLOS GODINHO DE ABREU, UNIVERSIDADE FEDERAL DE LAVRAS | TATIANA SILVEIRA JUNQUEIRA DE MORAES, UNIVERSIDADE FEDERAL DE LAVRAS | DIEGO CUNHA ZIED, UNIVERSIDADE ESTADUAL PAULISTA “JÚLIO DE MESQUITA FILHO” | FELIX GONCALVES DE SIQUEIRA, CNPAE | EUSTÁQUIO SOUZA DIAS, UNIVERSIDADE FEDERAL DE LAVRAS.
Lentinula edodes is a primary wood-decomposing fungus that can be cultivated on wood logs or via axenic culture on sawdust-based substrate supplemented with some type of bran. Currently, the axenic cultivation system is preferred because it is favorable for cultivation on an industrial scale. In this work, we evaluated the feasibility of using composted substrates with two formulations and different composting periods for shitake cultivation. It was possible to cultivate this mushroom in the composted substrates; however, the success of cultivation depended on the use of severe pasteurization. The composted substrates were favorable for fungal mycelial growth only when a temperature of 80 °C was used for pasteurization. Moreover, the productivity and biological efficiency of the composted substrate subjected to severe pasteurization were similar to those obtained for non composted substrates. The best results were obtained with 6 days composting followed by pasteurization for 12 h at 80 °C or composting for 4 days and autoclaving for 1 h.
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