Gibberellic acid modulates drought stress signaling, antioxidant defense, and ionic homeostasis in spinach.
Ashraf S, Shahbaz M, Ramzan T, Haider A, Ahmad M
Drought Tolerance
Growing spinach through a dry summer stretch just got a little more hopeful — a naturally occurring plant hormone can act as a buffer when your leafy greens are stressed by lack of water.
When spinach plants don't get enough water, they struggle to grow and can build up harmful chemicals inside their cells. Researchers found that treating spinach with a hormone called gibberellic acid — one plants already make on their own — helped them fight back against drought damage. It kept their internal chemistry more balanced, boosted their natural defenses, and helped them hold onto water better.
Key Findings
Gibberellic acid treatment improved spinach growth and water retention under drought stress conditions
Treated plants showed enhanced antioxidant enzyme activity, reducing cellular damage from drought-induced oxidative stress
Ionic homeostasis (the balance of mineral ions like sodium and potassium) was better maintained in gibberellic acid-treated spinach compared to untreated drought-stressed plants
chevron_right Technical Summary
Applying gibberellic acid (a natural plant hormone) to spinach significantly reduced the damage caused by drought, helping plants maintain growth, water balance, and antioxidant defenses under dry conditions.
Abstract Preview
Drought stress is a major environmental signal that disrupts plant growth and metabolic homeostasis, particularly in water-sensitive leafy vegetables, such as spinach (
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