Dry season survey of aspergilli in the air of Benin City, Nigeria

J. A. Okhuoya, E. N. Osolu


In both indoor survey of the air over Benin, eleven species of Aspergillus were commonly found. There were more species in the air in January than in February and March. The spore concentration of these species in the air was found to be associated with the environmental condition, vegetation and human activities of each area of the city sampted. Most of them showed a consistent diurnal pattern while others were inconsistent. However A. versicolor and A. tamarii exhibited double peak patterns. Among the substrates used in trapping these fungi, yam recorded the highest number of Aspergiltus species (II).

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