Transpiration is measured by

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(A) The rate of transpiration is measured using a $Potometer$ (such as $Farmer's$ $Potometer$ or $Ganong's$ $Potometer$).These instruments are based o

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Potometer

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(A) The rate of transpiration is measured using a $Potometer$ (such as $Farmer's$ $Potometer$ or $Ganong's$ $Potometer$).These instruments are based on the principle that the rate of water absorption is nearly equal to the rate of transpiration.$A$ $Porometer$ is used to measure the degree of stomatal opening.An $Auxanometer$ is used to measure the growth in length of a plant.$A$ $Respirometer$ is used to measure the rate of respiration.

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