Authors : Shalini Paliwal and S.P. Paliwal
Page Nos : 331-337
Description :
A floristic survey in Firozabad district was carried out from three selected sites which are 15-20 km away from each other. The main objective behind the field study was to find out angiospermic species which may shed large number of pollen in the atmosphere and to note their specific pollination period and mode of pollination which was useful criterion in the identification of atmospheric pollen. We studied variations in concentration of airborne pollen and other particles of biological origin which are collectively known as Primary Biological Aerosol Particles (PBAP) in those three sites. During the annual cycle the frequency of pollen in the air was different in different seasons. It might be due to local climatological influence on flowering of plants. The lowest concentration of pollen was observed in winter season. On the basis of mode of pollination in winter season 65.99% anemophilous, 27.82% entomophilous and 3.58% amphiphilous species were found. Maximum plants bloom, during spring and rainy season followed by summer and winter season.
