What are four processes that contribute to transpiration in a tall tree?

Expert Solution

The processes that contribute to transpiration in tall trees are÷

(1) evaporation of water from surface of leaf creates a potential gradient which helps the water to travel longer distance in the xylem tube. In fact transpirational pull created mostly by evaporation of water, is the best mechanism to explain the water movement up the trees.

(2) capillaries action is also one reason through which water travels up the plant. Capillary action happens when the thin xylem tube facilitates the movement of water molecule upward from root to stem and then to leaves.Main factor involved in capillary action are cohesion and adhesion.

(3) Root pressure is another factor that contribute to the movement of water molecules and dissolved ion. In fact the main function of root pressure in transpiration is to reestablish the continuous chain of water flow, which may break sometimes due to some stresses.

(4) Availability of water and temperature are the some other factors on which transpiration depends.

gladiator answered 2 years ago

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