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April 1, 1925Journal of Economic Entomology16,265 citations

A Method of Computing the Effectiveness of an Insecticide

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WAW. S. Abbott

Key Points

  • To establish a standardized mathematical equation for calculating the true efficacy of insecticides by accounting for natural mortality observed in untreated control groups.
  • Formulated a mathematical model comparing mortality rates between treated insect cohorts and untreated control cohorts.
  • Derived an adjustment formula to isolate chemical toxicity from baseline environmental and natural death rates during bioassays.
  • Introduced Abbott's formula: Corrected Percent Effectiveness = [(% living in control - % living in treated) / % living in control] × 100.
  • Established a standard correction factor that prevents the overestimation of insecticide potency in laboratory and field trials.

Abstract

Journal Article A Method of Computing the Effectiveness of an Insecticide Get access W. S. Abbott W. S. Abbott Bureau of Entomology, United States Department of Agriculture Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Economic Entomology, Volume 18, Issue 2, 1 April 1925, Pages 265–267, https://doi.org/10.1093/jee/18.2.265a Published: 01 April 1925

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Cite This Study

W. S. Abbott (1925) studied this question.

synapsesocial.com/papers/69d6a0c18dca315383ed8767https://doi.org/10.1093/jee/18.2.265a
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