The effect of simultaneous magnesium application on the biological effects of titanium

S. Kužel, P. Cígler, M. Hrubý, J. Vydra, D. Pavlíková and P. Tlustoš
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S. Kužel: Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
P. Cígler: Institute of Chemical Technology, Prague, Czech Republic
M. Hrubý: Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic
J. Vydra: Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
D. Pavlíková: Czech University of Agriculture in Prague, Czech Republic
P. Tlustoš: Czech University of Agriculture in Prague, Czech Republic

Plant, Soil and Environment, 2007, vol. 53, issue 1, 16-23

Abstract: Most of the works published since the beginning of the 20th century have brought interesting results about beneficial effects of titanium (Ti) on plants, but much less is known about its phytotoxic effects at higher doses. Here we demonstrate the influence of Mg treatment on the phytotoxic effects of Ti. Mg, Ti + Mg and two different concentrations of Ti leaf sprays were applied on oats (Avena sativa L. cv. Zlaťák) grown on three different soil types (Fluvisol, Luvisol and Chernozem). Physiological parameters of oats as well as some essential elements contents were analyzed. The foliar applications of Ti caused significant toxic manifestations on oats at ≥ 10 mg/kg concentrations. Mg partially ammeliorates these toxic effects if applied together with Ti. The effect was strong on Fluvisol, but weaker on Chernozem and Luvisol. Ti effects are more significant the further the soil is from the nutritional optimum of the plants. This is most evident in the case of Fluvisol, which is deficient in Mg, Fe, Mn, and Zn. It seems that Ti possesses a generally equalizing effect on the elements content in the plant.

Keywords: titanium; magnesium; iron; plants; Avena sativa L.; nutrition; hormesis; toxicity (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:53:y:2007:i:1:id:3189-pse

DOI: 10.17221/3189-PSE

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