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<p>Fall armyworm, <i>Spodoptera frugiperda</i> (J.E. Smith), is a major threat to maize production worldwide. Excessive reliance on chemical insecticides has raised concerns over environmental safety and resistance development, underscoring the need for sustainable alternatives. This study evaluated push–pull cropping systems for <i>S. frugiperda</i> management and demonstrated significant reductions in oviposition and plant damage, while enhancing economic returns. Maize + mung bean (push) + napier–bajra (pull) combination recorded the lowest oviposition and plant damage, highest maize-equivalent yield (26.37 q acre⁻¹), net returns (₹10,780.50), and benefit–cost ratio (1.08), followed by the mung bean + guinea grass system (B: C ratio 1.05). In contrast, the maize monocrop showed the highest oviposition and damage, and the lowest yield (17.03 q acre⁻¹). Overall, mung bean-based push–pull systems proved effective in reducing FAW infestation and enhancing profitability, supporting their potential for sustainable pest management.</p>

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Assessing damage, oviposition, and profitability under push–pull cropping systems for fall armyworm management in maize

  • 期刊论文

  • 发表日期：

    2026年4月15日

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  • Mridula,
  • Naveen Aggarwal,
  • Jawala Jindal

摘要

Fall armyworm, Spodoptera frugiperda (J.E. Smith), is a major threat to maize production worldwide. Excessive reliance on chemical insecticides has raised concerns over environmental safety and resistance development, underscoring the need for sustainable alternatives. This study evaluated push–pull cropping systems for S. frugiperda management and demonstrated significant reductions in oviposition and plant damage, while enhancing economic returns. Maize + mung bean (push) + napier–bajra (pull) combination recorded the lowest oviposition and plant damage, highest maize-equivalent yield (26.37 q acre⁻¹), net returns (₹10,780.50), and benefit–cost ratio (1.08), followed by the mung bean + guinea grass system (B: C ratio 1.05). In contrast, the maize monocrop showed the highest oviposition and damage, and the lowest yield (17.03 q acre⁻¹). Overall, mung bean-based push–pull systems proved effective in reducing FAW infestation and enhancing profitability, supporting their potential for sustainable pest management.