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Deposition of airborneLycopodium andPodaxis spores released from an artificial point source

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Proceedings / Indian Academy of Sciences

Abstract

A mixture ofLycopodium andPodaxis spores was liberated at 1·0 m above ground. Airborne concentrations were measured with miniature suction traps connected to a suction-line apparatus at three points (2·5 m, 5·0 m and 10·0 m). Their deposition on the ground was determined from horizontal microscope slides arranged immediately below each miniature trap.

The velocity of deposition,V g , varied with distance from the source. The mean value ofV g forLycopodium (32·2µ) varied from 1·81 to 4·20 cm/s; forPodaxis (14×11µ) the corresponding values are 0·3617–0·6804. Both spore types showed a similar deposition gradient indicating that the size of the spore has no influence on the deposition pattern over the short distances tested.

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Authors and Affiliations

  1. Department of Botany, Andhra University, 530003, Waltair

    C. Subba Reddi

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  1. C. Subba Reddi
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Reddi, C.S. Deposition of airborneLycopodium andPodaxis spores released from an artificial point source. Proc. Indian Acad. Sci. 84, 1–5 (1976). https://doi.org/10.1007/BF03045573

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  • DOI: https://doi.org/10.1007/BF03045573

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