Abstract
Fungi are one of the most important biodeteriogens that grow on old building of historical and religious importance and damage a lot. During this study biodeterioration caused by fungi on the historical monument of Doon valley was conducted on two monuments of Guru Ram Rai Darbar Sahib and Tapkeshwar Mahadev Temple. The study was conducted in various seasons i.e. rainy, winter and summer. A total number of thirty-three fungi were isolated in Darbar Sahib and thirty-four in Tapkeshwar Mahadev Temple. Maximum numbers of fungi were isolated during rainy season in both the monuments. Mainly genera of Zygomycetes and Deuteromycetes have isolated in which Aspergillus, Fusarium, Rhizopus and Penicillium are more common.
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