Selenium uptake in Zea mays supplied with selenate or selenite under hydroponic conditions

Longchamp, Mélanie; Angéli, Nicolas; Castrec‐Rouelle, Maryse

doi:10.1007/s11104-012-1259-7

Cited by 53 publications

(23 citation statements)

References 31 publications

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“…Se accumulation in above-ground parts of lettuce was greater when selenate rather than selenite was introduced to the nutrient solution. This finding agrees with studies on lettuce (Ríos et al 2009;Ramos et al 2010) and other plant species (Zayed et al 1998;Longchamp et al 2012), where Se-enrichment with selenate proved to be more efficient in increasing the Se concentration in shoots than that with selenite. Moreover, the translocation of Se was more efficient when Se was supplied as selenate.…”

Section: Discussionsupporting

confidence: 92%

Comparative effects of selenite and selenate on growth and selenium accumulation in lettuce plants under hydroponic conditions

Hawrylak-Nowak

2013

Plant Growth Regul

163

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The effects of different concentrations of selenite (2-30 lM) and selenate (2-60 lM) on biomass production, leaf area, and concentrations of photosynthetic pigments in lettuce plants were investigated. On the basis of the obtained results, the threshold of toxicity for the selenite and selenate has been designated. The toxicity thresholds for selenite and selenate were determined at concentrations of 15 and 20 lM, respectively. Next, four selenium (Se) concentrations (2, 4, 6 or 15 lM), below or near the toxicity boundary, have been selected for the lettuce biofortification experiment. In the biofortified plants, the oxidant status (levels of lipid peroxidation and H 2 O 2 concentrations), as well as Se and sulphur (S) accumulation were analysed. In the edible parts of the lettuce, the Se concentration was higher for selenate presence compared to selenite; however, this difference was not as obvious as it was noted in the case of the roots, where selenite application caused the high accumulation of Se. An application of 15 lM Se as selenite caused a decline in the biomass and an intensification of prooxidative processes in the plant's tissues and as toxic should be excluded from further biofortification experiments. These results indicate that an application of either selenate or selenite to the nutrient solution at concentrations below 15 lM can be used for biofortification of lettuce with Se, evoking better plant growth and not inducing significant changes in the oxidant status, the concentration of assimilation pigments and S accumulation.

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Section: Discussionsupporting

confidence: 92%

Comparative effects of selenite and selenate on growth and selenium accumulation in lettuce plants under hydroponic conditions

Hawrylak-Nowak

2013

Plant Growth Regul

163

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“…Se was affected by tillage for tissues under the experimental years ( Figure 8). Se concentrated higher in roots than in leaves and stems, regardless of tillage and years, agreeing with Longchamp et al (2013) who reported that Se is mainly concentrated in roots than in leaves and stems. In this study, Se showed lower value, ranging from 0.0007 to 0.0960 g kg 1 , than the nutritional level of Se for animals and humans, ranging from 0.05 to 0.30 mg kg 1 (Longchamp et al, 2013).…”

Section: Accepted Manuscriptsupporting

confidence: 90%

“…Some authors found higher Fe in reduced tillage than in plough (Houx et al, 2011), while others observed the opposite tendency (Lavado et al, 1999) or no differences due to tillage (Loke et al, 2013). As lack of differences between ST, CT and MT are the more frequently reported results for Cu in contrasting tillage systems (Houx et al, 2011), although higher Cu in plough (Lavado et al, 1999) or reduced tillage (Longchamp et al, 2013).…”

Section: Nutrients Concentrations In Soilsmentioning

confidence: 97%

Nutrient concentration and yield of maize (Zea maysL.) after vetch (Vicia sativaL.) in conventional and reduced tillage systems

Özpınar

2016

Journal of Plant Nutrition

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The effects of tillage on plant availability nutrients are critical to develop nutrient management strategies to optimize yield. The objective of this study was to evaluate differences in the concentration of 19-nutrient and yield after 4-year of conventional (mouldboard plough (MT)) and two reduced (rototiller (ST) and chisel (CT)) tillage systems in maize (Zea mays L.) after winter vetch (Vicia sativa L.) in double crop one year. Three tillage systems were compared from 2005 to 2008 in area located in the western region of Turkey under semi-arid Mediterranean clay-loam soils. Nutrients were determined in maize leaves, stems, roots and soils. Results show that the concentration of macronutrients were found to be higher in leaves and stems of maize than roots in three tillage systems of all years, while the opposite was true for micronutrients. Among the macro and micro nutrients, there was no effect of tillage on nutrient concentration in all maize tissues for sulfur, magnesium, sodium and copper (S, Mg, Na and Cu). Co, Cr, Ni, Pb and Se) were affected by tillage. ST increased N in stems of 2006 compared with other systems. K in roots of 2006 was 52 and 30% greater in CT than in ST and MT, respectively, while ST and MT of 2007 resulted in 38 and 41% greater than CT. In two of four years, ST contributed to higher grain yield compared with other systems. In general, ST can effectively contribute to increase maize yield following winter vetch compared with MT under this region. Results suggested the need for different management systems associated with reduced tillage including rotation, particularly for basic nutrients. Further, results showed similarities and differences with other studies under tillage with maize following winter vetch.

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“…A number of literature data [6,21,43,47,48] confirm these findings. Also, 1 mg kg -1 of Se VI caused the highest accumulation of P in all the aboveground parts of green pea plants and particulares in the seeds.…”

Section: Discussionmentioning

confidence: 66%

Biological changes of green pea (Pisum sativum L.) by selenium enrichment

Garousi

Kovács

Domokos-Szabolcsy

et al. 2017

Acta Biologica Hungarica

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Supplement of common fertilizers with selenium (Se) for crop production will be an effective way to produce selenium-rich food and feed. The value of green pea seeds and forages as alternative protein source can be improved by using agronomic biofortification. Therefore, biological changes of green pea (Pisum sativum L.) and influences of inorganic forms of Se (sodium selenite and sodium selenate) at different concentrations on the accumulation of magnesium (Mg) and phosphorus (P) were investigated in greenhouse experiment. 3 mg kg -1 of selenite had positive effects to enhance photosynthetic attributes and decrease lipid peroxidation significantly. At the same time, Se accumulation increased in all parts of plant by increasing Se supply. Moreover, Mg and P accumulations were significantly increased at 3 mg kg -1 selenite and 1 mg kg -1 selenate treatments, respectively. By contrast higher selenite concentrations (≥30 mg kg -1 ) exerted toxic effects on plants. Relative chlorophyll content, actual photochemical efficiency of PSII (Ф PSII ) and Mg accumulation showed significant decrease while membrane lipid peroxidation increased. Thus, the present findings prove Se biofortification has positive effects on biological traits of green pea to provide it as a proper functional product.

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Selenium uptake in Zea mays supplied with selenate or selenite under hydroponic conditions

Cited by 53 publications

References 31 publications

Comparative effects of selenite and selenate on growth and selenium accumulation in lettuce plants under hydroponic conditions

Comparative effects of selenite and selenate on growth and selenium accumulation in lettuce plants under hydroponic conditions

Nutrient concentration and yield of maize (Zea maysL.) after vetch (Vicia sativaL.) in conventional and reduced tillage systems

Biological changes of green pea (Pisum sativum L.) by selenium enrichment

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