Efficacy of Metarhizium rileyi Against Fall Army Worm Spodoptera frugiperda in Maize

Authors

  • Sachin Khairnar Department of Agricultural Entomology, Mahatma Phule Krishi Vidyapeeth, Rahuri 413722, Maharashtra
  • Charudatta Chaudhari Department of Agricultural Entomology, Mahatma Phule Krishi Vidyapeeth, Rahuri 413722, Maharashtra
  • Sakharam Aghav Department of Agricultural Entomology, Mahatma Phule Krishi Vidyapeeth, Rahuri 413722, Maharashtra
  • Chidanand Patil Department of Agricultural Entomology, Mahatma Phule Krishi Vidyapeeth, Rahuri 413722, Maharashtra
  • Vivek Shinde Department of Agricultural Entomology, Mahatma Phule Krishi Vidyapeeth, Rahuri 413722, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2023.1024

Keywords:

Spodoptera frugiperda, Metarhizium rileyi, whorl application, dusting, spraying, Bacillus thuringiensis, azadirachtin, maize, plant damage, cost benefits, yield, ICBR

Abstract

In this study, Metarhizium rileyi formulation was applied using four methods and their efficacy evaluated at different concentrations against the fall army worm Spodoptera frugiperda (J E Smith) in maize. The treatment of dusting of M. rileyi 1.15 % WP @ 2.5 kg/ ha followed by spraying of M. rileyi 1.15 % WP @ 5 g/ l was found superior. It was also observed that sole spraying and dusting treatment were comparatively less effective than dusting followed by spraying. Dusting of M. rileyi 1.15 % WP @ 2.5 kg/ ha followed by spraying of M. rileyi 1.15 % WP @ 5 g/ l gave the maximum cost benefit (ICBR of 8.70) and grain yield (61.09 q/ ha).

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Published

2023-04-03

How to Cite

Khairnar, S., Chaudhari, C., Aghav, S., Patil, C., & Shinde, V. (2023). Efficacy of <i>Metarhizium rileyi</i> Against Fall Army Worm <i>Spodoptera frugiperda</i> in Maize. Indian Journal of Entomology, 1–3. https://doi.org/10.55446/IJE.2023.1024

Issue

Online First

Section

Research Communications
Crossref
Scopus
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Europe PMC

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