Tomato and tobacco plants emit airborne popping sounds when things aren’t going their way, new research finds.
“We know that there’s a lot of ultrasound out there—every time you use a microphone, you find that a lot of stuff produces sounds that we humans cannot hear—but the fact that plants are making these sounds opens a whole new avenue of opportunities for communication, eavesdropping, and exploitation of these sounds,” said Yossi Yovel, a
neuro-ecologist at Tel Aviv University and a co-author of the paper, in a Cell journalThe researchers recorded tomato and tobacco plants in a soundproofed chamber and in an ordinary greenhouse. They harassed the plants by not watering them for a few days and by stem cutting; both approaches elicited pop- or click-like sounds from the plants.
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