Abstract
Maize holds significance as a primary staple crop and is ranked third in global production. Many factors affect the yield of this crop, but the most important problem is insect pests. Fall armyworm (FAW) is a very destructive pest of maize. This study was conducted to check the effect of some synthetic insecticides (monomehypo, lambda cyhalothrin, emamectin benzoate, chlorpyrifos and carbofuran) against FAW in the maize field. The study was organized using a randomized complete block design, and it included three replicates. The insecticidal sprays were applied twice, and the data regarding FAW mortality were recorded after 3, 7 and 10 days. The maximum mortality was recorded as 75% with monomohypo after 10 days of the first application, while the minimum mortality (49%) was observed due to emamectin benzoate application after first spray with same time intervals. The other insecticides showed 68%, 65% and 58% FAW mortality due to chlorpyrifos, lambda cyhalothrin, and carbofuran applications, respectively. It concludes that monomehypo was the best insecticide against FAW in maize crop.
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