Trending Now - Light's Dual Role: Boosting Growth While Restraining Pea Plants

WHO:

Phys.org - The research team was led by Professor Kouichi Soga of the Graduate School of Science at Osaka Metropolitan University.

WHAT:

Phys.org - The research discovered a new mechanism by which light regulates plant growth.

Science Daily - Light strengthens the adhesion between a plant's outer skin and its inner tissues, which is driven by a compound called p-coumaric acid.

WHERE:

Phys.org - The research was conducted at Osaka Metropolitan University.

WHEN:

Phys.org - The findings were published in the journal Physiologia Plantarum.

WHY:

Science Daily - The research reveals that while light fuels plant growth, it also restricts how much the plant can expand due to the tighter bond formed between the outer and inner tissues.

HOW:

Phys.org - The research utilized a unique method to measure the adhesion between the epidermal and inner tissues in young pea stems.

(UPDATED April 13, 2026 23:16 UTC)

A research team led by Professor Kouichi Soga at Osaka Metropolitan University has discovered a new mechanism by which light regulates plant growth, revealing that light strengthens the adhesion between a plant's outer skin and its inner tissues through a compound called p-coumaric acid. The findings, published in the journal Physiologia Plantarum, indicate that while light fuels plant growth, it also limits how much a plant can expand due to the tighter bond formed between its outer and inner tissues. This innovative research utilized a unique method to measure the adhesion in young pea stems, shedding light on the complex relationship between light and plant development.