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  • RESEARCH HIGHLIGHT

Etched for success: the ‘tattoos’ that could help crops to survive polluted air

Polymer electrodes deposited onto the leaves of crop plants provide an early warning of ozone damage.
A blue machine travels between rows of plants, spraying them from four hoses.

A worker sprays grapevines in France. Sensors affixed to grape leaves can detect the effects of the air pollutant ozone. Credit: Getty

Fingernail-sized electrodes ‘tattooed’ onto a leaf can reveal the invisible damage done by the ubiquitous air pollutant ozone, which threatens farmers’ harvests.

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Nature 585, 327 (2020)

doi: https://doi.org/10.1038/d41586-020-02593-x

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