Plants Recognize Siblings: ID System In Roots

ScienceDaily (2009-10-15) -- Plants may not have eyes and ears, but they can recognize their siblings, and researchers have discovered how. The ID system lies in the roots and the chemical cues they secrete. The finding not only sheds light on the intriguing sensing system in plants, but also may have implications for agriculture and even home gardening.

http://www.sciencedaily.com/releases/2009/10/091014144734.htm

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