Plant Soil Environ., 2016, 62(8):379-383 | DOI: 10.17221/324/2016-PSE

Possibility of selenium biofortification of winter wheat grainOriginal Paper

L. Ducsay1, O. Ložek1, M. Marček1, M. Varényiová1, P. Hozlár2, T. Lošák3
1 Department of Agrochemistry and Plant Nutrition, Slovak University of Agriculture, Nitra, Slovak Republic
2 National Agricultural and Food Centre, Research and Breeding Station Vígľaš - Pstruša, Pstruša, Slovak Republic
3 Department of Environmentalists and Natural Resources, Faculty of Regional Development and International Studies, Mendel University, Brno, Czech Republic

The effect of foliar application of selenium (Se) fertilizers (sodium selenite and selenate) in two different Se doses (10 and 20 g/ha) on grain yield, Se content and mechanical and technological parameters of winter wheat grain was investigated in the field fertilization experiment. Foliar spray application of Se was applied at the growth stage of the 2nd node on the main stem (32 BBCH). Selenate foliar applications in dose 10 g Se per ha showed a significant increase of grain yield in comparison to control treatment without Se application. The mechanical and technological parameters of wheat grain were not significantly affected by both selenite and selenate foliar application. The average Se concentration was significantly lower in 2007/2008 (grain yield 8.72 t/ha) than 2006/2007 (yield 6.35 t/ha) growing season (0.133 versus 0.189 mg Se/kg dry matter). The grain Se absorption efficiency at foliar application of 10 and 20 g Se/ha of selenite and selenate were 1.35-1.45% and 13.24-15.14%, respectively.

Keywords: foliar application of selenate and selenite; grain quality; selenium content in grain

Published: August 31, 2016  Show citation

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Ducsay L, Ložek O, Marček M, Varényiová M, Hozlár P, Lošák T. Possibility of selenium biofortification of winter wheat grain. CAAS Agricultural Journals. 2016;62(8):379-383. doi: 10.17221/324/2016-PSE.
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