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Insects use plants as 'green phones'
Wednesday June 13, 2012 05:25:12 PM,
IANS
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London: Insects use plants as "green phones" for
communication with other bugs, scientists say.
Herbivorous insects store their voicemails via their effects on
soil fungi. Among the messages left are warnings not to eat a
poisonous plant.
This messaging service was discovered in the ragwort plant by
researchers from the Netherlands Institute of Ecology (NIOO) and
Wageningen University, Daily Mail reported.
A few years ago, NIOO scientists discovered that soil-dwelling and
above-ground insects are able to communicate with one another
using the plant as a telephone.
Insects eating plant roots change the chemical composition of the
leaves, causing the plant to release volatile signals into the
air, the Mail said Wednesday.
This can convince above-ground insects to select another food
plant in order to avoid competition and to escape from poisonous
defence compounds in the plant.
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