Evaluation of IPM Modules Against the Fall Army Worm Spodoptera frugiperda (J E Smith) on Maize
DOI:
https://doi.org/10.55446/IJE.2023.506Keywords:
Spodoptera frugiperda, modules, chemical control, biointensive, IPM, insecticides, coccinellids, ants, maize, yield, benefit cost ratioAbstract
Fall armyworm Spodoptera frugiperda (J E Smith) has become a devastating pest in maize. Field experiments were carried out to assess the efficacy of various IPM modules against this pest. Amongst these, biointensive module recorded highest number of coccinellids (1.27/plant) and ants (0.42/plant), while chemical control module led to highest larval reduction over control (86.04%) and being superior with significantly higher grain yield (53.45 q/ ha). This also gave a 1.86 B:C ratio followed by the IPM module (48.06 q/ ha) with 1.85 B:C ratio.
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