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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F14%3A00433558%21RIV15-AV0-61389030
rdf:type
n11:Vysledek skos:Concept
dcterms:description
The effect of pH, phosphates, organic acids (citrate, tartarate, oxalate) and polyamines on uptake and translocation of uranium was followed in Nicotiana tabacum L seedlings. Transport of uranium to upper, harvestable parts was very limited. The absence of phosphates generally increased the uptake and transfer of uranium from the roots to the shoots. The addition of tartaric acid increased the translocation of uranium, especially simultaneously with the phosphate absence. Higher uptake of uranium was also observed at pH 3.5 (acetic acid), although the translocation was lower. The spraying with polyamines (putrescine, cadaverine, spermine and spermidine) resulted in moderate decrease of uranium content in the leaves and the roots, which was still significant, except of spermine in roots. Our results showed that the composition of the cultivation media can significantly affect uranium accumulation and its distribution within the plants. Thus, the potential of uranium accumulation in harvestable plant parts can be significantly enhanced. The effect of pH, phosphates, organic acids (citrate, tartarate, oxalate) and polyamines on uptake and translocation of uranium was followed in Nicotiana tabacum L seedlings. Transport of uranium to upper, harvestable parts was very limited. The absence of phosphates generally increased the uptake and transfer of uranium from the roots to the shoots. The addition of tartaric acid increased the translocation of uranium, especially simultaneously with the phosphate absence. Higher uptake of uranium was also observed at pH 3.5 (acetic acid), although the translocation was lower. The spraying with polyamines (putrescine, cadaverine, spermine and spermidine) resulted in moderate decrease of uranium content in the leaves and the roots, which was still significant, except of spermine in roots. Our results showed that the composition of the cultivation media can significantly affect uranium accumulation and its distribution within the plants. Thus, the potential of uranium accumulation in harvestable plant parts can be significantly enhanced.
dcterms:title
Uranium uptake in Nicotiana sp under hydroponic conditions Uranium uptake in Nicotiana sp under hydroponic conditions
skos:prefLabel
Uranium uptake in Nicotiana sp under hydroponic conditions Uranium uptake in Nicotiana sp under hydroponic conditions
skos:notation
RIV/61389030:_____/14:00433558!RIV15-AV0-61389030
n3:aktivita
n15:I n15:P
n3:aktivity
I, P(LD13029)
n3:cisloPeriodika
SI
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
n5:8956723 n5:7522479 n5:6070000 n5:6047270 n5:6116159
n3:druhVysledku
n17:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
52136
n3:idVysledku
RIV/61389030:_____/14:00433558
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Radionuclides; Accumulation; Plants
n3:klicoveSlovo
n9:Accumulation n9:Radionuclides n9:Plants
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[3B7A03721E25]
n3:nazevZdroje
Journal of geochemical exploration
n3:obor
n12:DN
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n18:LD13029
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
142
n3:tvurceVysledku
Petrová, Šárka Lhotský, Ondřej Buzek, Martin Vaněk, Tomáš Soudek, Petr
n3:wos
000338612700019
s:issn
0375-6742
s:numberOfPages
8
n13:doi
10.1016/j.gexplo.2013.10.001