Thrips develop resistance to spinosad on UK salad onions

Adas has warned growers to review their integrated pest management methods after a population of thrips were found to have developed resistence to spinosad, one of the few effective thrips treatments available.

by Christina Taylor
Bleached mottling, symptoms of damage caused by thrips on onion - image: Flickr/Scot Nelson (CC by 2.0)
Bleached mottling, symptoms of damage caused by thrips on onion - image: Flickr/Scot Nelson (CC by 2.0)

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