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Original Articles

UPTAKE AND DISTRIBUTION OF SELENIUM, NITROGEN AND SULFUR IN THREE BARLEY CULTIVARS SUBJECTED TO SELENIUM APPLICATIONS

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Pages 442-452 | Received 15 Nov 2009, Accepted 28 Aug 2010, Published online: 27 Jan 2012
 

Abstract

Selenium (Se) is an essential micronutrient for humans and animals, and also affects plant metabolism. In this study, the effects of increasing doses of Se application on the uptake of selenium (Se), nitrogen (N), and sulfur (S) content of three barley cultivars were investigated. The analysis indicated that the Se contents were highest in root tissues, intermediate in grain, and lowest in stem tissues in all cultivars. Total Se accumulations (whole plant) were highest in ‘Bülbül 89’ (0.171 mg kg−1), intermediate in ‘Çetin 2000’ (0.153 mg kg−1), and lowest in ‘Tarm 92’ cultivars (0.124 mg kg−1). In all cultivars, the increase in grain Se content resulted in a decrease in the grain N content. While ‘Bülbül 89’ can be suggested for biofortification purposes, less Se accumulating ‘Tarm 92’ cultivar can be suggested as a fodder in Se contaminated or high Se containing areas.

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