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Air embolisms exsolving in the transpiration water - the effect of constrictions in the xylem pipes

Canny, Martin; Sparks, Jed P; Huang, Cheng; Roderick, Michael


When water flows through a constriction, air can come out of solution (i.e. it can exsolve). This phenomenon is manifested in the transpiration stream of plants. Observations of gas in functioning xylem prompted a hypothesis predicting the daily balance between air and water in wood: a sudden fall in water content at sunrise, followed by an increase in water content during the day. An extended record by time domain reflectometry of volumetric water content (VWC) every 2 h throughout a summer...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Functional Plant Biology
DOI: 10.1071/FP06210


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