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Note on the bacterial flora of the Egyptian desert in summer

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Summary

The response of bacterial population to edaphic drought of the Egyptian desert in summer has been investigated. The sporeformers Bacillus subtilis, Bacillus licheniformis, and Bacillus megaterium have predominated in the soil. B. subtilis and B. licheniformis predominated in the rhizosphere of the studied chamaephytes. The total bacterial counts were found to be much higher in the rhizospheres than in the soils apart. Azotobacter sp. and Clostridium sp. have been isolated from rhizospheres but not from soils. The significance of the rhizosphere as constituting a microhabitat in the desert community, has been discussed. The probable contribution of the peritrophic mantle of bacteria for protecting root cells against edaphic drought has also been notified.

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Author notes

  1. S. A. Z. Mahmoud

    Present address: Faculty of Agriculture, A'in Shams University, Cairo, Egypt

Authors and Affiliations

  1. Botany Department, Faculty of Science, A'in Shams University, Cairo

    S. H. Elwan & S. A. Z. Mahmoud

Authors
  1. S. H. Elwan
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  2. S. A. Z. Mahmoud
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Elwan, S.H., Mahmoud, S.A.Z. Note on the bacterial flora of the Egyptian desert in summer. Archiv. Mikrobiol. 36, 360–364 (1960). https://doi.org/10.1007/BF00418642

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  • DOI: https://doi.org/10.1007/BF00418642

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