Rate of transpiration

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  • RATE OF TRANSPIRATION
    • TEMPERATURE
      • Description
        • Transpiration is faster in higher temperatures
      • Explanation
        • Evaporation and diffusion are fatser at higher temperatures
    • WIND
      • Description
        • Transpiration is faster in windy conditions
      • Explanation
        • Water vapour is removed quickly by movement, speeding up diffusion of more water vapour out of the leaf
    • LIGHT
      • Description
        • In bright light transpiration increases
      • Explanation
        • Stomata opens wider to allow more CO into the leaf for photosynthesis
    • HUMIDITY
      • Description
        • Transpiration is slower in humid conditions
      • Explanation
        • Diffusion of water vapour out of the leaf slows down if the leaf is already surrounded by moist air

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