Claim · model-written summary
Grazed plants had 68% higher leaf water potential.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- grazede1
- Outcome
- leaf water potentiale1
- Direction
- increasee1
- Value
- 68%e1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat (Triticum aestivum L.)”
e1“68% increase in leaf water potential of grazed plants”
Title
Grazing winter wheat relieves plant water stress and transiently enhances photosynthesis
Matthew T. Harrison; Walter M. Kelman; Andrew D. Moore; et al. Functional Plant Biology 2010. doi:10.1071/fp10040
Other claims from this paper (11)
- Intervention effect Photosynthetic CO2 assimilation was unchanged during grazing.
- Intervention effect Assimilation rose by 33–68% for 2 to 4 weeks after grazing ended versus ungrazed leaves.
- Intervention effect Grazing reduced leaf mass per unit area by 36–38%.
- Intervention effect Grazing increased stomatal conductance by 88–169%.
- Intervention effect Grazing increased intercellular CO2 concentrations (Ci) by 17–20%.
- Intervention effect Grazing did not alter leaf nitrogen content per unit area.
- Mechanism The photosynthesis model required up to 53% greater Rubisco activity to explain increased assimilation after grazing.
- Mechanism The modeled intercellular CO2 increase could raise assimilation by at most 13%.
- Association Greater Rubisco activity was associated with partial relief of leaf water stress.
- Mechanism Reduced canopy evaporative demand and leaf area index, and increased soil rainfall infiltration were attributed as causes of higher leaf water potential.
- Recommendation Grazing rain-fed grain cereals may be adjusted to relieve water stress and enhance leaf photosynthesis.