Entomopathogenic organisms, ethological and chemical control for the management of fall armyworm (Spodoptera frugiperda) in corn
DOI:
https://doi.org/10.33064/iycuaa2022863380Keywords:
corn, Fall Armyworm, entomopathogenic organisms, biologic control, chemical controlAbstract
The low production of corn is mainly due to phytosanitary problems. Fall armyworm is the most important pest, where despite the permanent use of insecticides, there are losses of up to 50% in yield. The study was established using a Completely Randomized Block experimental design with five treatments and four replications in a striped arrangement. The treatments were: 1) control; 2) chemical insecticide; 3) Spinosad + pheromone trap + Trichogramma pretiosum + Chrysoperla carnea; 4) Bacillus thuringiensis + pheromone trap + Trichogramma pretiosum + Chrysoperla carnea; 5) Azadirachtin + pheromone trap + Trichogramma pretiosum + Chrysoperla carnea. Treatment 3 had a lower percentage of infestation of the pest in plants and exceeded treatment 2; showed greater efficacy in controlling fall armyworm and had higher grain yield.
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