Toxicity of Some Insecticides to The Fall Army Worm Spodoptera frugiperda

Authors

  • S. Mastan Shareef Department of Entomology, Agricultural College, Bapatla 522101, Andhra Pradesh
  • T. Madhumathi Department of Entomology, Agricultural College, Bapatla 522101, Andhra Pradesh
  • M. Swathi Department of Entomology, Agricultural College, Bapatla 522101, Andhra Pradesh
  • A. K. Patibanda Department of Entomology, Agricultural College, Bapatla 522101, Andhra Pradesh

DOI:

https://doi.org/10.55446/IJE.2021.283

Keywords:

Spodoptera frugiperda, Bioassay, Topical Application, Novaluron, Emamectin Benzoate, Indoxacarb and Spinetoram, Relative Toxicity, LC50.

Abstract

A laboratory bioassay (topical application) was conducted to evaluate the relative toxicity of ten insecticides against third instar larvae of fall army worm, Spodoptera frugiperda (J E Smith). Emamectin benzoate was found to be the most toxic with least LC50 value (1 ppm). The order of toxicity was emamectin benzoate (1 ppm) > spinetoram (1.2 ppm) > chlorantraniliprole (1.8 ppm) > novaluron+ emamectin benzoate (7.7 ppm) > novaluron (18 ppm) > novaluron + indoxacarb (31.7 ppm) > flubendiamide (33.8 ppm) > indoxacarb (42.3 ppm) > lambda-cyhalothrin (77.2 ppm) > chlorpyriphos (184.7 ppm). Emamectin benzoate, spinetoram, chlorantraniliprole, novaluron+ emamectin benzoate, novaluron, novaluron + indoxacarb, flubendiamide, indoxacarb and lambda-cyhalothrin showed 184.70, 153.92, 102.61, 23.99, 10.26, 5.83, 5.46, 4.37 and 2.39 folds toxicity over chlorpyriphos, respectively at 72 hr after treatment.

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Published

2022-04-12

How to Cite

Shareef, S. M. ., Madhumathi, T., Swathi, M., & Patibanda, A. K. . (2022). Toxicity of Some Insecticides to The Fall Army Worm <i>Spodoptera frugiperda</i>. Indian Journal of Entomology, 84(3), 680–682. https://doi.org/10.55446/IJE.2021.283

Issue

Section

Research Communications

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