Claim · model-written summary
Leaf-blade growth coefficient peaked at 15 °C.
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier
Verbatim
e0“leaf blades (lamina k mL = 0.47 day −1 ) whose computed maximum growth coefficient also showed a secondary maximum at 25°”
t0“Marquis wheat”
Title
Growth kinetics of Marquis wheat. IV. Temperature dependence
F. D. H. Macdowall Canadian Journal of Botany 1973. doi:10.1139/b73-091
Other claims from this paper (15)
- Observation Computed maximum plant growth coefficient was highest at 25 °C.
- Observation At experimental light intensities, plant growth coefficient was maximal at 15 °C.
- Observation Root growth coefficient peaked at 25 °C.
- Observation Stem growth coefficient peaked at 25 °C.
- Association The 25 °C optimum shifted downward as light intensity decreased.
- Observation Leaf-blade maximum growth coefficient also had a secondary maximum at 25°.
- Observation At low light intensities only the 15 °C leaf-blade peak was evident.
- Mechanism Authors tentatively attributed the 25 °C optimum to net translocation.
- Mechanism Authors tentatively attributed the 15 °C optimum to net photosynthesis balanced primarily by photorespiration.
- Mechanism Organ growth differences represented relative sink strengths depending on light and temperature.
- Mechanism Photosynthate availability was considered the dominant factor in growth kinetics without inorganic limits.
- Mechanism With little photosynthate, tissues benefited from translocation on a first-come basis.
- Observation The absolute maximum growth coefficient approached 0.5 or 50% per day.
- Association Computed efficiency of photosynthate use for growth depended on temperature.
- Observation At optimum temperature, computed efficiency was similar to previous estimates.