Monthly variation in air borne fungal propagules of Dhaka metropolitan city

Abstract

In an average, 6648 fungal colony forming units were settled within five
minutes on one square meter area at morning and evening from the air of
Dhaka Metropolitan city during February, 2013 to January, 2014. Among the
identified fungi, Aspergillus was one of the most dominating genera in all the
stations during the above mentioned period. The second was Cladosporium
followed by Penicillium, Alternaria, Curvularia, Fusarium, Pestalotia,
Colletotrichum, Tricho‐derma, Rhizopus, Nigrospora, Chaetomium, Syncephalastrum,
Arthrinium and Bipolaris. In the dry winter (December‐February), Alternaria,
Bipolaris, Cladosporium, Curvularia and Drechslera showed its peak. In the rainy
monsoon (June ‐ September), Aspergillus, Fusarium, Penicillium, Pestalotia and
Trichoderma showed their peak.