Reposted by @brodersenlab.bsky.social
A root injury sends a pressure wave through the root system at about 75 millimeters per second, triggering defense signals in neighboring roots. doi.org/hcknjb
phys.org
Plant root injuries unleash pressure waves that travel long distances
When plant roots are injured—by insects, for example—the pressure inside the root drops, and a pressure wave spreads rapidly throughout the root system.