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A pesticide-resistant mutant of the N2-fixing blue-green algaNostoc muscorum

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Summary

The fungicide dithane Z-78 (zinc ethylene bisdithiocarbamate) has been found to be an inhibitor of growth and heterocyst differentiation inNostoc muscorum. Its inhibitory effect has been reversed by exogenous glucose. A spontaneous mutant resitant to a toxic concentration of the fungicide grows in the presence of dithane at a dose normally applied in fields and does not require an exogenous carbon source for its growth.

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Author information

Author notes

  1. A. B. Prasad

    Present address: Department of Botany, L.N.M. University, 846004, Darbhanga, India

Authors and Affiliations

  1. Mutagenesis and Cytogenetics Laboratory, Department of Botany, University of Bihar, 842001, Muzaffarpur, (India)

    A. Vaishampayan & A. B. Prasad

Authors
  1. A. Vaishampayan
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  2. A. B. Prasad
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Additional information

Thanks are due to Council of Scientific and Industrial Research, Govt. of India, New Delhi-110001, for providing financial assistance to A.V. in the form of a Post-Doctoral Research Fellowship.

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Vaishampayan, A., Prasad, A.B. A pesticide-resistant mutant of the N2-fixing blue-green algaNostoc muscorum . Experientia 37, 1285–1287 (1981). https://doi.org/10.1007/BF01948363

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