Plant hormone

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

Plant hormones (or phytohormones) are signal molecules, produced within plants, that occur in extremely low concentrations. Plant hormones control all aspects of plant growth and development, including embryogenesis, the regulation of organ size, pathogen defense, stress tolerance and reproductive development.

Excerpt from the Wikipedia article “Plant hormone”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: William M. Gray, CC BY 2.5, via Wikimedia Commons.