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water-stress

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Water stress in plants occurs when water availability falls below the level needed to sustain normal physiological functions, triggering responses ranging from stomatal closure to altered gene expression. Understanding how plants perceive and respond to water deficit is central to plant biology, as it governs growth, reproduction, and survival across diverse environments. With increasing drought frequency linked to climate change, research into water-stress tolerance mechanisms is critical for developing resilient crops and conserving wild plant populations.

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