Chemical SOS not just for farm, lab plants

March 14, 2001 at 12:45 pm - More than 2 years ago

The chemical screams for help that scientists have detected from agricultural plants under attack by pests in lab settings have now been heard in the wild.

A hawkmoth caterpillar triggers a chemical red alert in a wild tobacco plant. Kessler

In Utah, a wild tobacco releases certain chemicals when attackers start chewing, report André Kessler and Ian T.

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