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Studies on the Destruction of Lecanora Conizaeoides By the Lichenicolous Fungus Athelia Arachnoidea

Published online by Cambridge University Press:  28 March 2007

O. L. Gilbert
O. L. Gilbert
Affiliation:
Department of Landscape Architecture, University of Sheffield, Sheffield S10 2TN, UK.
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Abstract

Two-years' observation of Athelia arachnoidea lesions in the field showed that they are long-lived perennial structures. In the Sheffield area, central parts of lesions become recolonized by Lecanora conizaeoides only after secondary infection by the lichen parasite Lichenoconium erodens followed by an invasion of the green alga Desmococcus naegelii. A. arachnoidea is active only during the winter months probably as a result of the higher humidity. The role of the sclerotia remains obscure.

Type
Research Article
Information
The Lichenologist , Volume 20 , Issue 2 , April 1988 , pp. 183 - 190
Copyright
Copyright © British Lichen Society 1988

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