Abstract
Hutching and Jones (1981), in a scan ning electron microscopic study on conidial adhesion and germination in aquatic hyphomycetes, reported that theic conidia initiallyace physically held to a solid substrate and then adhesivestructurce ere formed. These structures may be simple as in the case of Articulospora terraciadia Ingold, or more elaborate appresoria in the case of Tefraciadium marchalianum de Wildeman. They also reported that an extracellular sheath is produced by the conidium prior to germination, and conidia on germination produce hyphae which are enveloped in an extracellular polysaccharide sheath, This sheath may aid in attachment of the hyphae to the substrate. Appresoria, according to their findings, may be formed on the hyphae jn particular species.

Muzaffer Ahmed Khan. (1987) Conidial adhesion and germination in Articulospora tetracladia Ingold, , Volume 24, Issue 3.
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