What Is Transpiration Pull Theory?

Answer

The transpiration pull theory is simply that as water evaporates off of plants it creates suction that begins in the roots. It implies that water is pulled up in plants rather than pushed down. This theory was first used in 1894.
Q&A Related to "What Is Transpiration Pull Theory"
As water evaporates from the leaves of a plant, this causes a negative pressure within the xylem (or transport cells) which in turn draws water upward from the root system and surrounding
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This is a "pulling theory. Water vapor is released out of the leaf's stomata . Water behind it replaces the water lost. Water molecules "stick together" by cohesive
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ASCENT of XYLEM SAP: Water transported up from the roots must replace water lost by transpiration. WATER POTENTIAL: Xylem sap rises against gravity, driven by a gradient of water
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Adhesive and cohesive properties of water allow plants to
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The transpiration pull theory is simply that as water evaporates off of plants it creates suction that begins in the roots. It implies that water is pulled up ...
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