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Das Keimverhalten der Konidiosporen von Fomes annosus (Fr.) Cke. bei Einwirkung verschiedener Standortfaktoren
Author(s) -
Courtois H.
Publication year - 1972
Publication title -
european journal of forest pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.535
H-Index - 49
eISSN - 1439-0329
pISSN - 0300-1237
DOI - 10.1111/j.1439-0329.1972.tb00357.x
Subject(s) - germination , conidium , biology , fomes , botany , horticulture , fungus
The Influence of site factors on the Germination of Fomes annosus conidiospores . Cultures grown up on a source with an easily utilisable C‐source produce conidia with a lower germination rate. An easily utilisable C‐source in the medium promotes germination. Different strains vary individually in their germination behaviour in respect to temperature. Short‐time‐strains have an optimum between 12–28°C, longtime‐strains have a peak at about 24°C. Some strains tend to suddenly alter their germination rate at a lower or higher temperature, thus increasing the plasticity of the fungus. Germination behaviour with regard to pH is strainspecific. The optima lie between pH 4,0–6,5. The pH influences the germination rate more than the nutrients status of the soil. The standard deviations in germination behaviour for some soils are large. Between the various origins of strains there are no significant differences.