09.08.2012 16:20 Uhr, Quelle: Engadget

Chemical senors could detect plants' cries for help, reduce need for pesticides

It's a terrifying thought, but science suggests that when under attack, plants cry for help. Invisible and, often odorless, green leaf volatiles omitted from vegetation act as a defense mechanism, communicating to other foliage that danger is near. One researcher at the University of Georgia, however, is developing a chemical sensor to use these distraught omissions for good. Working in a similar fashion detecting glucose in the blood, the sensor would be able to alert farmers to when crops are under attack from pests, allowing them to trigger d

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