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Über die ursache der hemmwirkung der humusstoffe auf den populationszuwachs vonoscillatoria sancta

The Cause ot the Inhibitory Effect of Humate on the Growth of Oscillatoria sancta Population

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Biologia Plantarum

Abstract

Algologically pure strain ofOscillatoria sancta (KÜTZING) GOMONT was cultivated in a phototermostat using a modified medium of Chu-Gerloff. The inhibiting effect of Na-humate on the numbers of cells and dry weight of this blue-green alga was investigated in dependence on polyvalent cations (Ca2+, Mg2+, Fe3+) concentration, nature of associated anions, and pH of the nutrient solution. Moreover the absorption of light due to humate colour was taken into consideration. Humate restricted the uptake of polyvalent cations (especially calcium); its unfavourable effect on the growth of the investigated organism decreased at the optimum pH.

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Authors and Affiliations

  1. Botanischea Institut der Universitat, ul. Kanonia 6/8, 60-328, Wroclaw, Poland

    Natalia W. Skinder & S. GumiŃski

Authors
  1. Natalia W. Skinder
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  2. S. GumiŃski
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Skinder, N.W., GumiŃski, S. Über die ursache der hemmwirkung der humusstoffe auf den populationszuwachs vonoscillatoria sancta. Biol Plant 18, 344–350 (1976). https://doi.org/10.1007/BF02922460

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  • DOI: https://doi.org/10.1007/BF02922460

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