Abstract

Waterlogged archaeological timbers of theMary Rose were shown to support a range of fungi, including marine soft rot fungi. These isolates, and other wood degrading fungi, were inactivated by gamma irradiation at doses of 3.1–15.0 kGy. No clear pattern of variation in radioresistance appeared between the Ascomycota, Basidiomycota and Deuteromycota. Terrestrial fungi were generally more resistant than marine fungi. Little variation in radioresistance was observed between vegetative hyphae and sporulating cultures/fruiting bodies. Sublethal doses resulted in reduced viability in some species. Gamma irradiation is suggested as a possible means of controlling fungal colonisation of waterlogged archaeological wood.

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