Summary
The first observations from Huelva (southwestern Iberian Peninsula) on the phenology of Ash, based on an aeropalynological study over three years, are presented. Sampling was carried out with a Cour trap. The beginning of pollination is related to the moment of the lowest average temperature of the year, usually in January. Flowering occurs earlier if there are exceptionally low average temperatures (<10°C) in November. The amount of rainfall in autumn and winter affects the intensity of pollination.
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Candau, P., Minero, F.G. & Romero, F. Aeropalynology ofFraxinus (Ash) in an urban area of southwestern Spain. Aerobiologia 10, 47–51 (1994). https://doi.org/10.1007/BF02066746
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DOI: https://doi.org/10.1007/BF02066746