Which is produced during water stress for stomatal closure?
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Among these, abscisic acid (ABA), is the best-known stress hormone that closes the stomata, although other phytohormones, such as jasmonic acid, brassinosteroids, cytokinins, or ethylene are also involved inthe stomatal response to stresses.
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Stomatal closure prevents water loss from transpirational pathways. Stomatal closure is more closely related to soil moisture content than leaf water status, and it is mainly controlled by chemical signals such asabscisic acid (ABA) production in dehydrating roots.
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