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That sharp, green smell of freshly cut grass? It’s a plant’s cry for help – and it may work as a less toxic pesticide for farmers

  • Written by Sasimonthakan Tanarsuwongkul, Ph.D. Candidate in Biochemistry, University of South Carolina
That sharp, green smell of freshly cut grass? It’s a plant’s cry for help – and it may work as a less toxic pesticide for farmersGreen leaf volatiles are a plant's rapid response to threats.Star61/Wikimedia Commons, CC BY-SA

Have you ever wondered about that sharp, green note that hits your nose when you mow the lawn or cut flower stems? Those are green leaf volatiles, or GLVs: easily evaporated oils that plants use to communicate with other plants and defend themselves...

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