Claim · model-written summary
Lateral root number increased under elevated CO2 in all three species.
- Taxon
- Fraxinus excelsior L., Quercus petraea . L. and Pinus sylvestris L.
Pinus sylvestris
Quercus petraea
Fraxinus excelsiore0 - Treatment
- elevated CO 2e0
- Outcome
- Lateral root numbere6
- Direction
- increasede6
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root growth and respiration in elevated CO 2 (700 μmol mol −1 ) was studied in three tree species, Fraxinus excelsior L., Quercus petraea . L. and Pinus sylvestris L.”
e6“Lateral root number was increased in elevated CO 2 for all species, as was mean root diameter”
Title
MEG CROOKSHANKS; GAIL TAYLOR; MARK BROADMEADOW New Phytologist 1998. doi:10.1046/j.1469-8137.1998.00109.x
Other claims from this paper (11)
- Intervention effect Root length of trees of all three species increased significantly under elevated CO2.
- Intervention effect Specific root length decreased significantly in all species after 6 months of elevated CO2.
- Intervention effect Soluble sugars in root carbohydrates increased significantly in all species under elevated CO2.
- Intervention effect Starch content in root carbohydrates both increased and decreased under elevated CO2, depending on species.
- Intervention effect Total root dry weight of whole trees of all three species increased after 8 months of elevated CO2.
- Intervention effect Elevated CO2 had no significant effect on the root:shoot ratio of the three tree species.
- Intervention effect Coarse root production increased under elevated CO2 in Scots pine.
- Intervention effect Fine root production increased under elevated CO2 in ash.
- Intervention effect Mean root diameter increased under elevated CO2 in all three species.
- Intervention effect Root respiration rates were significantly reduced under elevated CO2 in all three species.
- Intervention effect Epidermal cell size increased in the zone of elongation of ash root tips under elevated CO2.