3.3.6

Rate of Transpiration

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Factors Affecting the Rate of Transpiration

Transpiration transports water and the minerals dissolved in it through the plant. There are many factors that affect the rate of transpiration:

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Temperature

  • Increased temperature makes water evaporate faster, which increases the rate of transpiration.
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Humidity

  • Increased humidity increases the amount of water in the air. This makes it more difficult for more water to evaporate.
  • Increasing humidity decreases the rate of transpiration.
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Light intensity

  • Increased light intensity makes water evaporate faster, which increases the rate of transpiration.
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Air flow

  • Increased air flow carries water away from the plant's leaves, encouraging more water to evaporate.
  • Increased air flow increases the rate of transpiration.

Jump to other topics

1The Nature & Variety of Living Organisms

2Structure & Functions in Living Organisms

3Organism Functions

3.1Respiration

3.2Gas Exchange

3.3Transport

3.4Excretion

3.5Coordination & Response

4Reproduction & Inheritance

5Ecology

6Biological Resources

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