Science
5/1/2026AI summary
Light Inhibits Plant Growth: Osaka Metropolitan University Study Reveals Tissue Adhesion Mechanism
Researchers at Osaka Metropolitan University discovered that white light, essential for photosynthesis, paradoxically slows plant growth by increasing tissue adhesion. The study published in Physiologia Plantarum reveals that light exposure triggers p-coumaric acid buildup in cell walls, strengthening bonds between epidermis and inner tissues. This creates a mechanical restriction that limits stem elongation while making plants more resistant to wind and rain, offering potential for developing climate-resilient crop varieties.
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