CULTURAL STUDIES OF FLAMMULA ALNICOLA (FR.) KUMMER AND FLAMMULA CONISSANS (FR.) GILLET

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Abstract
A fungus isolated from a yellow, stringy decay of white spruce and other conifers in Western Canada was at first identified as Flammula conissans sensu Ricken. This fungus was compared with an authentic isolate of Flammula conissans (Fr.) Gillet obtained from Europe. They were shown to be separate species through comparison of cultures, fruit bodies, spores, and the factors affecting fruiting in culture, as well as by pairings of monosporous mycelia. The Canadian fungus was identified as Flammula alnicola (Fr.) Kummer. Basidio-spores of F. alnicola germinated after cold treatment at −7 °C. The requirement of moderate cold-treatment for spore germination may account for the occurrence of the fungus only as a root-rot pathogen.

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