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Air-spora of mysore

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Proceedings / Indian Academy of Sciences

Abstract

A survey of the air-spora at Mysore was carried out from November 6, 1965 to November 5, 1966, using vertical cylinders as spore trapping devices. Basing on the visual features counts were taken for sixty-one types of which 47 belonged to Fungi, 5 to Algae, 4 to Vascular plants, 4 to Animal parts and one to Lichens. Fungi contributed to 88% of the total air-spora,Cladosporium alone accounting to half the numbers. Vascular plant parts made up 10·6% of the air-spora and the contributions of Animal parts, Algae and Lichens were 1·076, 0·169 and 0·036% respectively. Relatively high incidence of smut spores andEpicoccum conidia is a notable feature of the air-spora of Mysore. There is no spore-free season at Mysore. The highest incidence of air-spora is noticed during the monsoon seasons and the lowest during the hot and dry season. Data on the seasonal periodicities of many spore types were presented for the first time. Data on clumping in the air-borne dispersion units ofCladosporium, Aspergilli, smut spores,Rhizopus, Hyphal fragments, andAlternaria is reported.Cladosporium made up 87·5% of the total fungal colonies on 21 exposures made during May to September 1966.Aspergillus spp. are more common at Mysore thanPenicillium spp. Bacterial colonies were estimated to be 14·4% of the total colonies. The usefulness of cylinder traps for aerobiological studies ofAlternaria, Cercospora, Helminthosporium, Uredospores, Pollen, etc., is indicated.

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Authors and Affiliations

  1. Department of Botany, University of Mysore, Mysore-6, India

    A. Ramalingam (Post-graduate)

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  1. A. Ramalingam
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Communicated by Dr. G. Rangaswami,f.a.sc.

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Ramalingam, A. Air-spora of mysore. Proc. Indian Acad. Sci. 74, 227–240 (1971). https://doi.org/10.1007/BF03050689

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  • DOI: https://doi.org/10.1007/BF03050689

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