Claim · model-written summary
Relative growth rates showed a slow recovery in the two seasons after elevated ozone exposure ended.
- Taxon
- Betula pendula
Betula pendulat0 - Outcome
- slow recovery of relative growth ratese2
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“birch (Betula pendula Roth)”
e2“a slow recovery of relative growth rates during the following two seasons without elevated ozone was apparent”
Title
E. Oksanen; A. Saleem Plant Cell & Environment 1999. doi:10.1046/j.1365-3040.1999.00501.x
Other claims from this paper (10)
- Intervention effect Ozone exposure reduced Rubisco, chlorophyll and carotenoid contents in birch leaves.
- Intervention effect Ozone exposure reduced starch and nutrient contents in birch leaves.
- Intervention effect Ozone exposure lowered stomatal conductance in birch.
- Intervention effect Ozone exposure decreased new shoot growth and net assimilation rate in birch.
- Intervention effect Ozone exposure decreased shoot dry weight by 7·5% over the long term.
- Intervention effect Ozone exposure decreased root dry weight by 15·2% over the long term.
- Intervention effect Ozone exposure decreased foliage area by 23·2% over the long term.
- Intervention effect Ozone exposure reduced the root : shoot ratio in birch over the long term.
- Observation Structural, biochemical and stomatal acclimation occurred in the ozone-tolerant clone.
- Observation In the sensitive clone, allocation shifted from growth towards defensive phenolics such as chlorogenic acid.