Summary
This paper reports about the occurence ofFusarium- andDidymella spores in the air of Essen/FRG. During the spore season 1990, the spore concentration was measured on several days with a volumetric pollen trap by hourly analysis. The calculated amount of spores per hour is compared to the data of a pluviometer and the values of the relative humidity during the same period.
The occurence of both spore types in the air and high relative humidity (>80%) are correlated in a highly significant way (P<0.001). The dispersion of spores starts when rain begins or directly after the precipitation.Didymella reaches higher concentrations thanFusarium in the air (Maximum values:Didymella 30000 spores/m3,Fusarium only 800 spores/m3). During the emission of the spores the temperature varied between 10°C und 20°C degrees.
Didymella andFusarium must be an important allergenic source in the outdoor area, because of their allergen-loaded biological aerosols. The question of providing well defined extracts ofDidymella exitialis is given to the pharmaceutical industry.
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von Wahl, PG., Kersten, W. Fusarium andDidymella-neglected spores in the air. Aerobiologia 7, 111–117 (1991). https://doi.org/10.1007/BF02270679
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DOI: https://doi.org/10.1007/BF02270679