factors affecting rate of transpiration

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  • Created by: Walliver
  • Created on: 08-05-13 12:46
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  • Factors Affecting The Rate Of Transportation
    • Temperature
      • The higher the temperature the more kinetic energy in the H2O molecules...(more movement in molecules
    • Humidity
      • The air inside the leaf is saturated with water vapour, but the humidity surrounding the leaf varies. with values exceeding 70% water potential is great between leaf and atmosphere. (rapid diffusion)
    • Air Movement
      • Transporationin still air results in the accumulationof a layer of saturated air at the surface of the leaf, this results in a considerable resistance to the diffusion in water through stomata. (lower rate of transpiration)

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