Abstract
Mycelial growth and fruit-body production of an ectomycorrhizal Boletus sp. were examined in pure culture. Mycelia of the strain Bo1 grew well on a medium consisting of sawdust and barley grains. Mature fruit bodies bearing basidiospores were produced after incubation at 22°C for 90 days in the dark, followed by incubation at 26°C for 30–46 days under conditions of high humidity and illumination. The addition of porous stone as a casing on the medium increased fruit-body yield. Deposited spores germinated well on an agar medium and formed mycelial colonies, thus completing the life cycle of Bo1 without a host plant and under axenic conditions. The ability of Bo1 to form ectomycorrhizas was confirmed by axenic resynthesis of mycorrhizas on Quercus serrata. Cultured fruit bodies of Bo1 resembled Gyroporus castaneus and Boletus subcinnamomeus, but its taxonomic position was not elucidated at the species level.
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Ohta, A., Fujiwara, N. Fruit-body production of an ectomycorrhizal fungus in genus Boletus in pure culture. Mycoscience 44, 295–300 (2003). https://doi.org/10.1007/s10267-003-0120-5
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DOI: https://doi.org/10.1007/s10267-003-0120-5