Evaluation of Whorl Application of Insecticides Mixed With Sand Against Fall Army Worm Spodoptera frugiperda in Maize

Authors

  • J. Divya Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577204, Karnataka
  • C. M. Kalleshwaraswamy Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577204, Karnataka
  • Sharanabasappa Deshmukh Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577204, Karnataka
  • S. Ambarish Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577204, Karnataka
  • C. Sunil Department of Agronomy, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577204, Karnataka

DOI:

https://doi.org/10.55446/IJE.2021.96

Keywords:

Spodoptera frugiperda, maize, chlorantraniliprole, emamectin benzoate, spinosad, sand, whorl application, grain yield, C: B ratio

Abstract

The fall army worm (FAW) Spodoptera frugiperda is now spread all over India and at present, spraying insecticides is the primary method of control. Considering its presence in whorl and negative impact of insecticidal spray on the natural enemies, there is a need of evolving alternate techniques. In the present study, whorl application of insecticides mixed in river sand was evaluated for its efficacy. Sand mixed with chlorantraniliprole 18.5SC @0.4 ml/ kg, emamectin benzoate 5SG@ 0.4 g/ kg and spinosad 45SC @ 0.4 ml/ kg sand were found to be effective, with significant reduction in leaf damage. The quantity of insecticide required/ unit area was 50% less than the spray while maximum grain yield/ cost benefit ratio was obtained.

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Published

2021-11-30

How to Cite

Divya, J. ., Kalleshwaraswamy, C. M., Deshmukh, S. ., Ambarish, S., & Sunil, C. (2021). Evaluation of Whorl Application of Insecticides Mixed With Sand Against Fall Army Worm <i>Spodoptera frugiperda</i> in Maize. Indian Journal of Entomology, 84(3), 617–621. https://doi.org/10.55446/IJE.2021.96

Issue

Section

Research Communications

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