Claim · model-written summary
Calcium partly ameliorated salt inhibition of nitrate uptake when nitrate was the nitrogen source.
- Taxon
- Triticum aestivum L.
Triticum aestivumt0 - Treatment
- Ca 2+ at a concentration of 5 mMe0
- Outcome
- NaCl‐mediated inhibition of NO 3 − uptakee0
- Direction
- partially amelioratede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When NO 3 − , but not NH 4 + , was the N source, Ca 2+ at a concentration of 5 mM partially ameliorated the NaCl‐mediated inhibition of NO 3 − uptake.”
t0“Triticum aestivum L.”
Title
H.‐J. HAWKINS; O. A. M. LEWIS New Phytologist 1993. doi:10.1111/j.1469-8137.1993.tb03807.x
Other claims from this paper (14)
- Intervention effect Salinity reduced root nitrogen uptake rate by 30% in nitrate-fed wheat without supplemental calcium.
- Intervention effect Salinity reduced the maximum nitrate uptake rate by 38% in nitrate-fed wheat.
- Intervention effect Salinity reduced plant nitrogen concentration by 35% in nitrate-fed wheat.
- Intervention effect Salinity reduced root nitrogen concentration by 16% in ammonium-fed plants.
- Intervention effect Salinity reduced maximum ammonium uptake by 50%.
- Intervention effect Salinity reduced plant nitrogen uptake rate by 16% in ammonium-fed plants.
- Intervention effect Calcium increased maximum nitrate uptake by 65% in salt-stressed nitrate-fed wheat.
- Intervention effect Calcium increased shoot nitrate uptake rate per gram root by 58%.
- Intervention effect Calcium increased shoot nitrogen concentration by 61%.
- Intervention effect Calcium increased root nitrogen concentration by 5%.
- Intervention effect Higher calcium had no effect on ammonium uptake.
- Intervention effect Higher potassium had no effect on ammonium uptake.
- Mechanism Kinetic calculations characterized NaCl inhibition of nitrate uptake as noncompetitive.
- Mechanism Kinetic calculations characterized NaCl inhibition of ammonium uptake as noncompetitive.