Open AccessPyrethrum flowers and pyrethroid insecticides.
Author(s) -
John E. Casida
Publication year - 1980
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.8034189
Subject(s) - pyrethrum , pyrethroid , toxicology , piperonyl butoxide , chemistry , biology , pesticide , agronomy
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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