Which hormone is produced in plants during water stress?

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Solution

Abscisic acid
Abscisic acid is released at the time of water stress.
It acts as a general plant growth inhibitor and an inhibitor of plant metabolism.
ABA inhibits seed germination.
ABA stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stresses.
Therefore, it is also called as the stress hormone.

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