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The contents of amino acids and sterols in maize plants growing under different nitrogen conditions

Author

Listed:
  • M. Pavlík

    (Isotope Laboratory, Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Prague, Czech Republic)

  • D. Pavlíková

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Balík

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • M. Neuberg

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

The effect of nitrogen nutrition on phytosterol and amino acid content in aboveground biomass of maize (Zea mays L.) was investigated in a pot experiment. For cultivation of maize plants nitrogen dose (2 or 4 g N/pot) was applied in the form of ammonium nitrate (AN) for control treatments or urea ammonium nitrate solution (UAN). UAN solution was applied according to the CULTAN method (Controlled Uptake Long Term Ammonium Nutrition). The content of amino acids as important nitrogen-containing compounds in plant biomass was affected by nitrogen nutrition. An increase of glutamine and asparagine levels in maize aboveground biomass was observed after UAN solution application. The results of free β-sitosterol analyses by HPLC showed its 94% increasing concentration after UAN application in contrast to AN treatments. Our results confirmed that sterol interconversions are controlled by environmental conditions and they are involved in the regulation of membrane properties in response to changing growth conditions.

Suggested Citation

  • M. Pavlík & D. Pavlíková & J. Balík & M. Neuberg, 2010. "The contents of amino acids and sterols in maize plants growing under different nitrogen conditions," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(3), pages 125-132.
    • Handle: RePEc:caa:jnlpse:v:56:y:2010:i:3:id:214-2009-pse
    DOI: 10.17221/214/2009-PSE
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    References listed on IDEAS

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    1. P. Martinek & K. Klem & M. Váňová & V. Bartáčková & L. Večerková & P. Bucher & J. Hajšlová, 2009. "Effects of nitrogen nutrition, fungicide treatment and wheat genotype on free asparagine and reducing sugars content as precursors of acrylamide formation in bread," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(5), pages 187-195.
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    Cited by:

    1. M. Neuberg & D. Pavlíková & M. Pavlík & J. Balík, 2010. "The effect of different nitrogen nutrition on proline and asparagine content in plant," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(7), pages 305-311.
    2. P. Ježek & J. Hlušek & T. Lošák & M. Jůzl & P. Elzner & S. Kráčmar & F. Buňka & A. Martensson, 2011. "Effect of foliar application of selenium on the content of selected amino acids in potato tubers (Solanum tuberosum L.)," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(7), pages 315-320.

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    1. M. Neuberg & D. Pavlíková & M. Pavlík & J. Balík, 2010. "The effect of different nitrogen nutrition on proline and asparagine content in plant," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(7), pages 305-311.

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