Question

what role does root pressure play in water Movement in plants

Answer 1

root pressure :different ions from the soil are actively secreted into roots vascular tissue the water flows (its potential gradient )and creates pressure increase inside the xylem .its pressure is known as the root pressure it can be responsible to push up water up to small height in stem of plant that is upward movement
the root pressure can provide a modest push in the process of water transport it establishes the continuous chain of water molecules in the xylem that may often break due to tension created by transpiration in plants it does not account for the majority of water transport specifically in long trees

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Answer 2

Explanation:

This positive pressure is called root pressure and can be responsible for pushing up water to small heights in the stem. The greatest contribution of root pressure may be to re- establish the continuos chains of water molecules in the xylem which often break under the enormous tensions created by transpiration. Root pressure does not account for the majority of water transport,most plants meet their need by transpiratory pull.

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