Effect of selenium foliar application on its content in winter wheat grain

Ducsay, Ladislav; Ložek, O.

doi:10.17221/3349-pse

Cited by 43 publications

(22 citation statements)

References 10 publications

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“…This result was in line with the general recommendation (application at GS-39 stage, at stem elongation) given for humid regions in temperate climates, such as those in central and northern Europe. In a similar study carried out on winter wheat (Ducsay & Ložek, 2006), when Se fertilizer was applied at the GS-29 stage at a dose of 10 g ha -1 , the Se concentration in the grain was much lower than that obtained in the present study. Although several other parameters could have affected such lower Se concentration in the grain, a very early application does not seem to be the most convenient.…”

Section: Total Se In the Grain And In The Flourcontrasting

confidence: 88%

“…Although in 2010-2011 the precipitation was higher than in 2011-2012, the severe and prolonged drought occurring during 2010-2011 at full flowering might be the cause of the lower grain production and higher protein content, probably due to a dilution effect. Grain yield was not affected by the Se application timing, in clear agreement with Ducsay and Ložek (2006). In contrast, Chu et al (2013) found that, when Se was applied at joining-heading and Vol.…”

Section: Effects Of Treatments On Grain Yield and Grain Protein Contentsupporting

confidence: 69%

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Selenium Application Timing: Influence in Wheat Grain and Flour Selenium Accumulation Under Mediterranean Conditions

Rodrigo¹,

Santamaría²,

Poblaciones³

2014

JAS

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Millions of people have an inadequate supply of selenium (Se) and Se-biofortified crops could prevent such deficiency. In order to establish an effective Se biofortification program under Mediterranean conditions on wheat, the objective of the present study was to evaluate the effect of the Se application timing on the Se accumulation in the grain, yield and protein content. In a field experiment, ten g ha -1 of sodium selenate were foliar-applied at four different growth stages: at 1 st node detectable (GS-31); at 5 th node detectable (GS-35); at boots just swollen (GS-45); and at 1 st spikelet visible (GS-51), in two different growing seasons, 2010-2011 and 2011-2012. The application of Se between GS-35 and GS-45 produced the highest Se accumulation in grain, especially in humid years. The milling process caused Se losses of about 15%. In the special conditions of the Mediterranean area, a proper timing of Se application might have major importance in the Se accumulation in the grain, but due to the rainfall before application, rather than to the plant growth stage.

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Section: Total Se In the Grain And In The Flourcontrasting

confidence: 88%

Section: Effects Of Treatments On Grain Yield and Grain Protein Contentsupporting

confidence: 69%

Selenium Application Timing: Influence in Wheat Grain and Flour Selenium Accumulation Under Mediterranean Conditions

Rodrigo¹,

Santamaría²,

Poblaciones³

2014

JAS

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“…If 1 g of Se/ha as selenite was applied, 9.3% of this amount was transited to wheat grain. This transition represented 2.4% and 2.9% of total applied Se when the doses of 10 and 20 g Se/ha, were applied, respectively (Ducsay and Ložek 2006).…”

Section: Resultsmentioning

confidence: 96%

Possibility of selenium biofortification of winter wheat grain

Ducsay¹,

Ložek²,

Marček³

et al. 2016

Plant Soil Environ.

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Selenium (Se) is one of the elements that determine the normal functioning of an organism; it has antioxidant properties and protects the organism against the actions of free radicals and carcinogenic factors. Selenium is an element that fulfils an important physiological function (Kieliszek and Blažejak 2013), but apart from all the elements, selenium has one of the narrowest range between dietary deficiency (< 40 µg/day) and toxic levels (> 400 µg/day) (Fordyce 2007).While there is no evidence of Se need for higher plants, several reports show that when Se added at low concentrations, it exerts beneficial effects on plant growth. Se may act as quasi-essential micronutrient through altering different physiological and biochemical traits; thus, plants vary considerably in their physiological and biochemical response to Se (El-Ramady et al. 2016).During the last decade, studies related with strategies for Se biofortification in food plants for human nutrition have increased significantly because this metalloid is incorporated into human metabolism mainly as a constituent of food plants (Mora et al. 2015). Biofortification is defined as the process of increasing the bioavailable concentrations of essential elements in the edible portions of cultivated plants through agricultural management (fertilization) or genetic improvement (White and Brodlay 2005).Plant-derived foodstuffs, namely cereals, are the major dietary sources of Se in most countries throughout the world, even if Se contents are strongly dependent upon the corresponding levels in cereal-growing soils. Therefore, wheat is one of the staple crops that appears as an obvious candidate for Se biofortification, considering its Possibility of selenium biofortification of winter wheat grain

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“…Selenium enrichment of fertilizers is intended for fertilizing of agricultural crops (agronomic biofortification) and plant breeding (or genetic biofortification); they are supposed to be the most effective ways to increase selenium intake by population, whereby selenium reaches the different levels of food chain (Lyons et al 2004, Hartikainen 2005, Ducsay and Ložek 2006. The way of biofortification and the form of selenium intended for this way remain open.…”

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confidence: 99%

The influence of selenium soil application on its content in spring wheat

Ducsay¹,

Ložek²,

Varga³

2009

Plant Soil Environ.

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The influence of application of increasing doses of selenium (0.05 mg, 0.10 mg and 0.20 mg/kg) into soil in pot experiments, with NPK fertilization of spring wheat (Triticum aestivum L., variety Banti), on the biomass yield (grain, straw, roots) and on selenium accumulation was observed. Selenium in the form of sodium selenite (Na 2 SeO 3 ·5H 2 O) and the NPK nutrients in the form of LAD-27, Ca(H 2 PO 4 ) 2 and KCl were applied. The average two-year results showed the expected indifferent effect of increasing doses of selenium on the yield of wheat grain, straw and roots. The differentiated doses of selenium into soil caused a significant increase of selenium content in dry matter (dm) of grain, straw and roots of wheat. The highest content of selenium (0.732 mg/kg in grain, 0.227 mg/kg in straw and 1.375 mg/kg in roots dm) was determined in the variant where 0.2 mg Se/kg of soil was applied. When applying the lowest dose of selenium (0.05 mg Se/kg of soil) the content of selenium was 0.155 mg Se/kg in grain. The selenium content in individual analysed parts of wheat was increasing in the following order: straw -grain -roots.

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Effect of selenium foliar application on its content in winter wheat grain

Cited by 43 publications

References 10 publications

Selenium Application Timing: Influence in Wheat Grain and Flour Selenium Accumulation Under Mediterranean Conditions

Selenium Application Timing: Influence in Wheat Grain and Flour Selenium Accumulation Under Mediterranean Conditions

Possibility of selenium biofortification of winter wheat grain

The influence of selenium soil application on its content in spring wheat

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