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Tolerance of the nitrogen-fixing system ofAzotobacter vinelandii for four commonly used pesticides

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Abstract

The effects of two insecticides, DDT and lindane, and two herbicides, Dalapon-Na and 2, 4, 5-T, upon the growth and nitrogen-fixing capacity ofAzotobacter vinelandii in pure culture were investigated using concentrations of the pesticides equivalent to the usual field application rates, and fifty times these levels. The acetylene reduction technique was used to assay nitrogen fixation. No significant effects of the pesticides at either concentration were detected upon growth or acetylene reduction.

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Author notes

  1. K. A. Mackenzie

    Present address: Egg Marketing Board, Brisbane, Queensland, Australia

Authors and Affiliations

  1. Department of Microbiology, University of Queensland, Brisbane, Australia

    K. A. Mackenzie & I. C. MacRae

Authors
  1. K. A. Mackenzie
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  2. I. C. MacRae
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Additional information

This study was supported by a grant from the Rural Credits Development Fund of the Reserve Bank of Australia.

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Mackenzie, K.A., MacRae, I.C. Tolerance of the nitrogen-fixing system ofAzotobacter vinelandii for four commonly used pesticides. Antonie van Leeuwenhoek 38, 529–535 (1972). https://doi.org/10.1007/BF02328119

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  • DOI: https://doi.org/10.1007/BF02328119

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