Claim · model-written summary
Cells grown at 173 moles per cubic meter NaCl reached light saturation at lower radiant flux density than lower salinity cells.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- 173 moles per cubic meter NaCle1
- Outcome
- light saturatede1
- Direction
- lowere1
- Comparator
- lower salinity levelse1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaves of cowpea (Vigna unquiculata [L.] Walp.)”
e1“Cells from plants grown at 173 moles per cubic meter NaCl were light saturated at a lower radiant flux density than were cells from lower salinity levels”
Title
Salinity Effects on Photosynthesis in Isolated Mesophyll Cells of Cowpea Leaves
Z. Plaut; C. M. Grieve; E. Federman PLANT PHYSIOLOGY 1989. doi:10.1104/pp.91.2.493
Other claims from this paper (10)
- Association CO2 fixation was maximal when isolation and assay osmotic potentials approached leaf osmotic potential.
- Intervention effect Hypotonic and hypertonic media reduced photosynthesis regardless of growth salinity.
- Intervention effect Photosynthesis did not decrease through 87 moles per cubic meter NaCl under optimal assay conditions.
- Intervention effect At 130 moles per cubic meter NaCl, photosynthesis fell only 30% under optimal assay conditions.
- Observation Photosynthetic inhibition was reversible when saline stress was relieved.
- Intervention effect At 173 moles per cubic meter NaCl, photosynthesis was severely and irreversibly inhibited.
- Mechanism The severe photosynthetic inhibition was attributed to leaf chloride and sodium accumulation.
- Observation Sorbitol uptake by intact cells was insignificant.
- Association Sorbitol uptake was not associated with cell volume changes.
- Observation Cells from low salinity grown plants had a light response curve similar to controls.