Claim · model-written summary
Conductance ratios differed among poplar species in the same way as stomatal density ratios.
PopulusNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the conductance ratios differed among species in the same manner as the stomatal density ratios”
t0“poplar species”
Title
Stomatal characteristics of riparian poplar species in a semi-arid environment
D. W. Pearce; S. Millard; D. F. Bray; et al. Tree Physiology 2006. doi:10.1093/treephys/26.2.211
Other claims from this paper (11)
- Observation Stomatal length differed among genotypes within species but not among poplar species, ranging from 19 to 22 microm.
- Observation Total stomatal densities differed among genotypes within species but were similar across species, at 290-420 stomata mm(-2).
- Observation Single-surface stomatal densities differed among poplar species.
- Observation The adaxial:abaxial stomatal density ratio was 0.94 for P. deltoides.
- Observation The adaxial:abaxial stomatal density ratio was 0.27 for P. balsamifera.
- Observation P. angustifolia and hybrids had intermediate stomatal density ratios.
- Association Stomatal density correlated with stomatal conductance, with r2 = 0.75.
- Observation The authors conclude that diverse poplar genotypes produce comparatively small and dense stomata in a semi-arid environment.
- Mechanism The authors infer that stomatal density differences underlie conductance differences.
- Association Species differences in density or conductance ratios may reflect climatic adaptation.
- Observation The authors identify substantial within- and among-species stomatal variation as useful for selecting and breeding climate-adapted poplars.