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FACTORS AFFECTING RATE OF TRANSPIRATION - Coggle Diagram
FACTORS AFFECTING RATE OF TRANSPIRATION
light intensity
does not affect evaporation of water
in daylight increased photosynthesis keeps stomata open
to increase CO2
but this allows water vapour to diffuse out
speeding up transpiration
humidity
dry air increases transpiration
temperature
evaporation of water more
rapid into warm air
/ increased temperature
this cools the leaf and does not kill the plant
less water evaporation
when it's
cold
air movement
increased air movement increases water vapour
increases rate of transpiration
leaf structure
structures that reduce transpiration rate
thick, waxy cuticle
sunken stomata
rolled up leaves, with stomata underneath
needle-shaped