root_water_potential_50percent_lost_conductivity

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• Label: Root xylem pressure, 50% lost conductivity (P50)
• Entity URI: https://w3id.org/APD/traits/trait_0021062
• Type: numeric
• Definition: The tension [PATO:0002284] (water pressure) (water potential [EnvThes:22311]) in root [PO:0009005] xylem vessels [PO:0025417] at which the hydraulic conductivity [EnvThes:22133] has declined by 50% from the mean maximum [NCIT:C25564] rate [PATO:0000161].;A measure of root hydraulic vulnerability, which is the root xylem water pressure value at which root hydraulic conductivity has declined by 50% from the mean maximum rate of hydraulic conductivity.
• Additional comments: None
• units: MPa
• allowable range: -20 - 0 MPa

See the AusTraits Plant Dictionary (https://w3id.org/APD/traits/trait_0021062) for additional information about this trait.

Coverage

For this trait, AusTraits includes a total of 3 records. This includes:

• data for 3 species.
• data for 2 families.
• data from 1 datasets (see the portal Citations tab for a list of sources)