Silicon dioxide on soybean and effect on Spodoptera frujiperda

The aim of this study was to evaluate the effectiveness of foliar application of SiO2 in inducing defense against Spodoptera frugiperda in soybean. The experiments were conducted in a completely randomized design with four treatments (0; 1; 2.5; 5% of SiO2). The effect on cannibalism, biological parameters (mortality, duration of the larval stage, duration of the pupal stage and pupal weight) and wear on the mandible of S. frugiperda were evaluated.