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Updated: Aug 16, 2026

Bioassays for Monitoring Insecticide Resistance
Published on: December 30, 2010
Pyrethrum flowers and pyrethroid insecticides
Abstract:
The natural pyrethrins from the daisy-like flower, Tanacetum or Chrysanthemum cinerariifolium, are nonpersistent insecticides of low toxicity to mammals. Synthetic analogs or pyrethroids, evolved from the natural compounds by successive isosteric modifications, are more potent and stable and are the newest important class of crop protection chemicals. They retain many of the favorable properties of the pyrethrins.
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