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International Journal of Medicinal Mushrooms
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ISSN Druckformat: 1521-9437
ISSN Online: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v6.i2.90
8 pages

Production of Tuber-Like Sclerotia of Medicinal Value by Pleurotus tuberregium (Fr.) Singer (Agaricomycetideae)

Alice W. Chen
Specialty Mushrooms, 1730 Penfield Rd., No.41, Penfield, NY 14526, USA
Nai-Lai Huang
The Sanming Mycological Institute, Sanming, Fujian, China


Pleurotus tuberregium (Fr.) Singer, the only true sclerotia-producing species in the genus Pleurotus, is a tropical and subtropical species that shows a preference for high temperature in cultivation. Although both mushrooms and sclerotia are produced, sclerotia are the main cause of interest in food and in medicinal preparations. This article describes the distribution and habitats of P. tuberregium for collecting and cultivation. Attention is directed to characteristics of the economic importance of sclerotia and to cultivation for sclerotia production. Synthetic log cultivation is highlighted, although natural log cultivation is feasible. Being a lignin-degrading white-rot fungus, P. tuberregium is most adaptable to a wide range of substrates, including lignin-containing broad-leaf sawdust and straw. However, not all substrates or every strain produce sclerotia. Of significance in sclerotia production are strain selection, substrate selection, substrate formulation, and management of growth parameters, particularly the requirement of high temperature. Observation on how the fungus grows provides a guide to new growers. Discussions on how to shorten sclerotia production time and how to improve yield are especially interesting.

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