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Transpiration (Loss of water from the plant (More water is drawn up from…
Transpiration
Loss of water from the plant
Evaporation + Diffusion
Most happens at the leaves
More water is drawn up from the XYLEM VESSELS
More water is drawn up from the roots
constant transpiration stream
Rate is affected by 4 main things
Light Intensity
Brighter the light, greater the rate
Stomata begins to close as it gets darker
Temperature
Warmer it is, faster transpiration
More energy to diffuse out
Wind Speed
Higher the wind rate, greater the rate
Water vapour is swept away- low concentration of water
Humidity
Drier the air, faster the rate
Diffusion happens fastest
High Concentration in 1 place
Low Concentration in the other