Abstract
Interaction of salinity (NaCl) and cadmium (Cd) on growth, mineral nutrients, Na and Cd accumulation in four barley genotypes differing in salt tolerance was studied in a hydroponic experiment. Cd, NaCl and their combined stresses reduced Ca and Mg concentrations in roots and shoots, K concentration in shoots, increased K and Cu concentrations in roots relative to control, but had non-significant effect on micronutrients Cu, Fe and Mn concentrations in shoot. The three stresses reduced accumulation of most tested nutrients in both roots and shoots, except NaCl and NaCl+Cd stresses for root K and shoot Cu accumulation in salt tolerant genotypes. The salt tolerant genotypes did not have higher nutrient concentration and accumulation than the sensitive ones when exposed to Cd and NaCl stresses. In conclusion, the affecting mechanism of Cd stress on nutrients was to some extent different from salinity stress, and the NaCl+Cd stress was not equal to additional Cd and NaCl stresses, probably due to the different valence and competitive site of Na(+) and Cd(2+). NaCl addition in the Cd-containing medium caused remarkable reductions in both Cd concentration and accumulation, with the extent of reduction being also dependent on genotypes. The salt-tolerant genotypes had lower Na concentration than sensitive ones.
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Claims 10
Claim · model-written summary
Cadmium, salt and combined stresses lowered calcium and magnesium concentrations in barley roots and shoots.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Treatment
- Cd, NaCl and their combined stressese0
- Outcome
- Ca and Mg concentrations in roots and shootse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Cd, NaCl and their combined stresses reduced Ca and Mg concentrations in roots and shoots”
t0“four barley genotypes”
Claim · model-written summary
The three stresses lowered potassium concentration in barley shoots.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- Cd, NaCl and their combined stressese0
- Outcome
- K concentration in shootse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd, NaCl and their combined stresses reduced Ca and Mg concentrations in roots and shoots, K concentration in shoots”
t0“four barley genotypes”
Claim · model-written summary
The stresses raised potassium and copper concentrations in barley roots.
- Taxon
- barleyHordeum vulgaret0
- Outcome
- K and Cu concentrations in rootse0
- Direction
- increasede0
- Comparator
- controle0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased K and Cu concentrations in roots relative to control”
t0“four barley genotypes”
Claim · model-written summary
The stresses had no significant effect on shoot copper, iron or manganese concentrations.
- Taxon
- barleyHordeum vulgaret0
- Outcome
- Cu, Fe and Mn concentrations in shoote0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had non-significant effect on micronutrients Cu, Fe and Mn concentrations in shoot”
t0“four barley genotypes”
Claim · model-written summary
The stresses reduced accumulation of most tested nutrients in roots and shoots.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- three stressese0
- Outcome
- accumulation of most tested nutrients in both roots and shootse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The three stresses reduced accumulation of most tested nutrients in both roots and shoots”
t0“four barley genotypes”
Claim · model-written summary
The reduction in nutrient accumulation excepted root potassium and shoot copper under salt and combined stress in tolerant genotypes.
- Taxon
- barleyHordeum vulgaret0
- Outcome
- root K and shoot Cu accumulatione0
- Qualifier
- salt tolerant genotypese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“except NaCl and NaCl+Cd stresses for root K and shoot Cu accumulation in salt tolerant genotypes”
t0“four barley genotypes”
Claim · model-written summary
Salt tolerant genotypes did not have higher nutrient concentrations and accumulation than sensitive genotypes under cadmium and salt stress.
- Taxon
- barleyHordeum vulgaret0
- Material
- salt tolerant genotypese0
- Outcome
- nutrient concentration and accumulatione0
- Direction
- did not have highere0
- Comparator
- sensitive onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The salt tolerant genotypes did not have higher nutrient concentration and accumulation than the sensitive ones when exposed to Cd and NaCl stresses”
t0“four barley genotypes”
Claim · model-written summary
Adding salt to cadmium medium markedly reduced cadmium concentration in barley.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- NaCl addition in the Cd-containing mediume0
- Outcome
- Cd concentratione0
- Direction
- remarkable reductionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl addition in the Cd-containing medium caused remarkable reductions in both Cd concentration and accumulation”
t0“four barley genotypes”
Claim · model-written summary
Adding salt to cadmium medium markedly reduced cadmium accumulation in barley, depending on genotype.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- NaCl addition in the Cd-containing mediume0
- Outcome
- accumulatione0
- Direction
- remarkable reductionse0
- Qualifier
- dependent on genotypese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl addition in the Cd-containing medium caused remarkable reductions in both Cd concentration and accumulation, with the extent of reduction being also dependent on genotypes”
t0“four barley genotypes”
Claim · model-written summary
Salt tolerant barley genotypes had lower sodium concentration than sensitive genotypes.
- Taxon
- barleyHordeum vulgaret0
- Material
- salt-tolerant genotypese0
- Outcome
- Na concentratione0
- Direction
- lowere0
- Comparator
- sensitive onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The salt-tolerant genotypes had lower Na concentration than sensitive ones”
t0“four barley genotypes”
The same questions in other papers
cadmium atom · nutrient: content · Hordeum vulgare (barley)Positive and negative results
12 papers in the same direction as this paper · 4 in the opposite direction
- negative
- positive
- positive
13 papers more in this group
See all 17 papers →abiotic · nutrient: content · Hordeum vulgare (barley)Results agree
2 papers in the same direction as this paper
- negative
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.