In herbaceous plants, the stress-related closing of stomata is regulated by ____.

Name: In herbaceous plants, the stress-related closing of stomata is regulated by ____.
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The stress-related closing of stomata in herbaceous plants is regulated by abscisic acid, a plant hormone that plays a key role in the response to stress conditions such as drought. Abscisic acid signals the guard cells to close the stomata, reducing water loss through transpiration.

In Herbaceous Plants, the Stress-Related Closing of Stomata Is Regulated