Population Dynamics of Fall Army Worm, Spodoptera Frugiperda (J E Smith) Infesting Maize

Authors

  • K. C. Ahir Maharana Pratap University of Agriculture and Technology, Department of Entomology, Rajasthan College of Agriculture, Udaipur 313001, Rajasthan
  • M.K. Mahla Maharana Pratap University of Agriculture and Technology, Department of Entomology, Rajasthan College of Agriculture, Udaipur 313001, Rajasthan.
  • N.L. Dangi Maharana Pratap University of Agriculture and Technology, Department of Entomology, Rajasthan College of Agriculture, Udaipur 313001, Rajasthan.
  • Kuldeep Sharma Maharana Pratap University of Agriculture and Technology, Department of Entomology, Rajasthan College of Agriculture, Udaipur 313001, Rajasthan
  • Beerendra Singh Maharana Pratap University of Agriculture and Technology, Department of Entomology, Rajasthan College of Agriculture, Udaipur 313001, Rajasthan.

DOI:

https://doi.org/10.55446/IJE.2024.1283

Keywords:

Spodoptera frugiperda, population dynamics, maize, incidence, correlation, coefficient, damage, temprature, rainfall, seasonal variations, cob damage

Abstract

Fall army worm (FAW) Spodoptera frugiperda (J E Smith) was found as major pest of maize in Rajasthan. Its peak larval incidence was observed in the first week of August (2.08 larvae/ plant) and second week of August (2.47 larvae/ plant) during 2019 and 2020, respectively. Its damage increased with crop growth and reached up to 48.33 and 58.33% during last week of September (39th SMW) during 2019 and 2020, respectively. The cob damage started in first week of September and peak damage was (36.67 and 42.22%) in the last week of September. Larval incidence exhibited positively significant correlation with mean temperature, and negative significance with rainfall.

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Published

2024-01-22

How to Cite

Ahir, K. C., Mahla, M., Dangi, N., Sharma, K., & Singh, B. (2024). Population Dynamics of Fall Army Worm, Spodoptera Frugiperda (J E Smith) Infesting Maize. Indian Journal of Entomology, 1–3. https://doi.org/10.55446/IJE.2024.1283

Issue

Online First

Section

Research Articles
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Europe PMC

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