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Sulphur supply to peas (Pisum sativum L.) influences symbiotic N2 fixation

Author

Listed:
  • H.W. Scherer

    (Agricultural Faculty of the University of Bonn, Germany)

  • S. Pacyna

    (Agricultural Faculty of the University of Bonn, Germany)

  • N. Manthey

    (Agricultural Faculty of the University of Bonn, Germany)

  • M. Schulz

    (Agricultural Faculty of the University of Bonn, Germany)

Abstract

In a pot experiment (culture substrate: perlite with a granulometric composition 0-3 mm) with peas (Pisum sativum L.) we studied the influence of sulphur supply on S and N concentrations, yield formation, symbiotic N2 fixation and available amounts of glucose and sucrose. Under S deficiency conditions S and N concentrations as well as the amounts of glucose and sucrose in shoots and nodules were significantly reduced. We assume that the reduced amounts of available photosynthate with suboptimal S supply could become limiting to energy production and as carbon skeletons for ammonia assimilation, and therefore cause a lower N2 fixation and a reduced yield formation.

Suggested Citation

  • H.W. Scherer & S. Pacyna & N. Manthey & M. Schulz, 2006. "Sulphur supply to peas (Pisum sativum L.) influences symbiotic N2 fixation," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 52(2), pages 72-77.
    • Handle: RePEc:caa:jnlpse:v:52:y:2006:i:2:id:3348-pse
    DOI: 10.17221/3348-PSE
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    Keywords

    peas; sulphur supply; carbohydrates; symbiotic N2 fixation;
    All these keywords.

    JEL classification:

    • N2 - Economic History - - Financial Markets and Institutions

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