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Submission + - Plants no longer sitting ducks->

Gat0r30y writes: FTFA:

Researchers at the University of Delaware have discovered that when the leaf of a plant is under attack by a pathogen, it can send out an S.O.S. to the roots for help, and the roots will respond by secreting an acid that brings beneficial bacteria to the rescue.

Sweet. Not quite the end of the world envisioned by M. Night, but still pretty darn cool.
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Plants no longer sitting ducks

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