Anti-insect wheat trials launched

David Shukman
BBC News

The first experiments with plants genetically modified to repel aphids are under way in the UK.

Wheat has been engineered with a gene from a peppermint plant so that it emits a particular pheromone.

The smell is the alarm signal given off by aphids to warn of an attack by predators.

The researchers hope that this will act as a “no parking sign” to keep the pests at bay without needing insecticide.

This is the first trial of a plant deliberately modified to use pheromones to ward off pests.

Read More: Anti-insect wheat trials launched

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