Claim · model-written summary
Ozone decreased photosynthetic N use efficiency.
- Taxon
- Pinus halepensis
Pinus halepensist0 - Treatment
- ozonee0
- Outcome
- photosynthetic N use efficiencye0
- Direction
- decreasede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“photosynthetic N use efficiency was significantly increased under elevated CO2 and decreased under ozone”
t0“Pinus halepensis”
Title
Elevated CO2 and ozone reduce nitrogen acquisition by Pinus halepensis from its mycorrhizal symbiont
Minna‐Maarit Kytöviita; Didier Le Thiec; Pierre Dizengremel Physiologia Plantarum 2001. doi:10.1034/j.1399-3054.2001.1110307.x
Other claims from this paper (11)
- Intervention effect Ozone reduced pine net assimilation rate after 79 days.
- Intervention effect Elevated CO2 increased pine net assimilation rate after 79 days.
- Intervention effect Total pine mass accumulation did not differ significantly with gas exposure, though ozone treated plants tended smaller.
- Intervention effect Elevated ozone shifted allocation priority toward shoots over roots.
- Intervention effect Elevated ozone significantly increased pine shoot nitrogen concentration.
- Intervention effect Elevated CO2 significantly increased photosynthetic N use efficiency.
- Association Fungal symbiont growth mirrored the differences in pine photosynthesis.
- Intervention effect Elevated CO2 reduced symbiosis mediated pine nitrogen uptake.
- Intervention effect Ozone reduced symbiosis mediated pine nitrogen uptake.
- Mechanism Elevated CO2 may raise the carbon cost of symbiotic nitrogen uptake.
- Mechanism Ozone may shift pine nitrogen acquisition toward root uptake.