Comparative efficacy and economics of selected chemicals and Metarhizium anisopliae against fall armyworm, Spodoptera frugiperda (J.E. Smith) on maize (Zea mays L.) at Prayagraj, Uttar Pradesh

Abstract

during the Kharif season of 2023. The experiment was laid out in a Randomized Block Design (RBD) with three replication, Seven treatments, and untreated control were evaluated against, Spodoptera frugiperda i.e.