EMERGING IMPACT OF Spodoptera frugiperda (FALL ARMYWORM) ON MAIZE IN NEPAL AND ITS CONTROL MEASURES
2022
Dipesh Joshi | Dinanath Banjade | Rita Bhandari
Spodoptera frugiperda is a migratory pest that infects maize and is noted for its high likelihood of dispersing quickly. It was originally discovered in central and western Africa in 2016, and Nepal’s first incidence of FAW was discovered in a maize crop on May 9th, 2019. S. frugiperda severely harmed maize harvests across the country in 2020, at a greater rate than the previous year. The cause and impact of FAW in Nepal have been identified as Nepal’s open border and a lack of seed quarantine control for late-maturing hybrids and late planting maize types. By heavily feeding on leaves, younger larvae inflict significant crop damage. Integrated pest management (IPM) techniques, which combine physical and mechanical, cultural, botanical, biological, and chemical methods, have been found to be effective in controlling and monitoring FAW in Nepal. As a result, the focus of this research is on the developing implications of FAW in Nepal, as well as control and prevention approaches to reduce the loss caused by FAW through appropriate management alternatives.
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