Question

The rate of transpiration increases with....​

Answer 1

The rate of transpiration increase ,when atmospheric humidity increase.

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Answer 2

Answer:

Root/Shoot Ratio: A low root/shoot ratio decreases the rate of transpiration while a high ratio increases the rate of transpiration. The latter is due to the fact that an extensive root system is more efficient in water uptake from soil. Increased availability of water also increases transpiration.