Claim · model-written summary
Centrifuge-derived cavitation resistance correlated with maximum xylem-specific conductivity.
- Taxon
- seven woody speciese1
- Outcome
- Estimates of cavitation resistancee0
- Comparator
- maximum xylem-specific conductivity (Ksmax)e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingDirectionValueQualifier
Verbatim
e0“Estimates of cavitation resistance measured from centrifuge curves were biologically meaningful and were correlated with field minimum water potentials, vessel diameter (VD), maximum xylem-specific conductivity (Ksmax) and vessel length.”
e1“roots of seven woody species grown in a common garden.”
Title
Root resistance to cavitation is accurately measured using a centrifuge technique
R. B. Pratt; E. D. MacKinnon; M. D. Venturas; et al. Tree Physiology 2015. doi:10.1093/treephys/tpv003
Other claims from this paper (11)
- Method / resource Centrifuge-measured root embolism agreed closely with native root embolism.
- Method / resource Centrifuge embolism levels agreed with single-vessel air-seeding estimates.
- Association Centrifuge-derived cavitation resistance correlated with field minimum water potentials.
- Association Centrifuge-derived cavitation resistance correlated with vessel diameter.
- Association Centrifuge-derived cavitation resistance correlated with vessel length.
- Observation Root vessels were not unusually long compared with stem vessels.
- Association Root vessel length was not correlated with vessel diameter.
- Association Root vessel length was not correlated with stem vessel length.
- Method / resource The authors conclude standard centrifugation can measure root cavitation resistance accurately and efficiently.
- Observation The authors conclude roots are highly vulnerable to cavitation.
- Recommendation The authors call for further study of root cavitation resistance in drought tolerance.