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Effect of tungsten on growth, biochemical constituents, molybdenum and tungsten contents in wheat

Author

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  • A. Kumar

    (Laboratory of Geobotany and Biogeochemistry, Department of Botany, University College of Science, Mohanlal Sukhadia University, Udaipur, Rajasthan, India)

  • N.C. Aery

    (Laboratory of Geobotany and Biogeochemistry, Department of Botany, University College of Science, Mohanlal Sukhadia University, Udaipur, Rajasthan, India)

Abstract

The effect of various concentrations (3, 9, 27, 81, and 243 mg/kg) of tungsten (W) on growth performance, biochemical constituents and tungsten and molybdenum (Mo) contents in wheat was observed. Lower doses (up to 9 mg/kg) of tungsten showed promotory effects whereas higher doses retarded. An increment in growth, biomass, chlorophyll and carbohydrate contents was observed. Tungsten contents in root and shoot showed a very strong linear dependence on the soil applied W contents. Mo contents in plant tissue showed an increase with an increase in the W contents in plant tissue up to a threshold after which it showed an abrupt decrease. The activity of peroxidase enzyme decreased with lower application of W. Higher administration of tungsten (27-243 mg/kg) resulted in increased total phenol, free proline and activity of enzyme peroxidase.

Suggested Citation

  • A. Kumar & N.C. Aery, 2011. "Effect of tungsten on growth, biochemical constituents, molybdenum and tungsten contents in wheat," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(11), pages 519-525.
    • Handle: RePEc:caa:jnlpse:v:57:y:2011:i:11:id:345-2011-pse
    DOI: 10.17221/345/2011-PSE
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    References listed on IDEAS

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    1. D. Pavlíková & M. Pavlík & L. Staszková & P. Tlustoš & J. Száková & J. Balík, 2007. "The effect of potentially toxic elements and sewage sludge on the activity of regulatory enzyme glutamate kinase," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 53(5), pages 201-206.
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