Microbial ecology of 'Shiro' in Tricholoma matsutake (S. Ito & Imai) Sing. and its allied species VII. Tricholoma fulvocastaneum Hongo in Castanopsis cuspidata forest

Ogawa, M.

Transactions of the Mycological Society of Japan 19(1): 37-46


ISSN/ISBN: 0029-0289
Accession: 000431141

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T. fulvocastaneum is distributed in deciduous oak forests and in evergreen Castanopsis forests in southwestern Japan. The fruit bodies appear in a ring and the mycelial layer occurs in mineral soil horizons poor in organic matter. Morphologically the shiro in the Castanopsis forest resembles that of T. matsutake. The shiros are distributed mainly on flat or sloping red soil with high humidity. The mycorrhiza formed on C. cuspidata are of the witches' broom type and have parasitic characteristics which include extensive hyphal invasion and lack of a fungal sheath. The antifungal activity of the shiro is less strong than that of T. matsutake.