root pressure


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root pressure

n.
Pressure exerted in the roots of a plant as the result of water entering the roots through osmosis.

root′ pres`sure


n.
the osmotic pressure within the cells of a root system that causes water to rise to stems and leaves.
[1870–75]
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Furthermore, looking at the employee of the municipality to places where the pavement is pushed up by the root pressure of trees.
In maples, freeze-thaw cycles produce stem pressure, causing sap to flow, but birches pump sap based on root pressure after most of the snow has melted and the soil has adequately warmed.
Root pressure theory of sap movement and exudation: revisited
process of guttation takes place due to root pressure (Singh &
A root pressure chamber was used to stop xylem backflow by pressurizing the roots of potted grapevines.
It has nothing to do with nerve root pressure but can occur when someone is tense, frightened, or has to sit for long periods of time under tension.
Further studies are necessary to quantify the effects of root pressure at the soil-root microenvironment, before a more definite statement can be made.
NEEDS FOR MAINTENANCE STRATEGIES Maintenance Technique Human Body Strategy Needed Parallel Reactive Large Maintenance Heart attack or stroke Maintenance Budget Preventive Periodic component By-pass or transplant Maintenance replacement surgery Predictive Monitoring of vibration, Detection of heart Maintenance heat, alignment, wear disease using EKG or debris ultrasonics Proactive Monitoring and Cholesterol and blood Maintenance correction of failing root pressure monitoring causes with diet control
Root pressure was estimated from the amount of sap collected from a detopped tiller overnight ([approximately equal to] 16 h).
cordifolia has sufficient root pressure to prevent persistence of winter embolisms into summer, and birches in general have high spring root pressure (Sperry, 1993), we assumed that birches on our sites were not carrying winter embolisms into our summer sampling period.
Plant physiologists have shown that high root pressure can provide one explanation for the arboreal habit of palms (Davis, 1961) and other monocots (Fisher et al.
It is hypothesized that root pressure in vines helps reduce the risk of water stress-induced embolism.