Anales del Jardín Botánico de Madrid, Vol 57, No 2 (1999)

Levéis of atmospheric pollen of Olea europaea L. in Madrid (Ciudad Universitaria) and Aranjuez between 1994 and 1997.


https://doi.org/10.3989/ajbm.1999.v57.i2.209

Montserrat Gutiérrez Bustillo
Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense, Spain

Concepción Sáenz Laín
Real Jardín Botánico, CSIC, Spain

Abstract


The results of four years of study (1994-1997) of the atmospheric levéis of pollen from Olea europaea L. in Madrid and Aranjuez are presented. The principal pollination period (PPP) for each year and each season were calculated, using the mean daily concentrations, and fell between weeks 16 and 26, with maximum daily valúes registered between 3rd May and 7th June. The presence of olive pollen was greater in Aranjuez than in Madrid (mean 3,307 grains of pollen/year and 2,123 grains/year, respectively). The pollen season was similar in each locality. A preliminary comparison of pollen data with temperature and precipitation seems to indicates that accumulated pre-season temperatures, but not rainfall, can have decisive influence on the initiation of pollination. His nuclear what influence rainfall has on the account of pollen collected.

Keywords


Aerobiology; allergy; Aranjuez; phenology; Madrid; Olea; olive; pollen

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