Metabolomics to target insecticidal compounds of var. against (J. E. Smith) (Lepidoptera: Noctuidae).

The fall armyworm is the most prevalent plague in crops associated with a reduction in corn production by up to 34%. Pesticides have been used to reduce this plague, but they cause several environmental problems including resistance, ecological imbalance, and toxicity to the final consumer. The use of plant extracts has been an effective manner of eradicating this plague from crop plantations.

Chemical composition and antifungal activity of the essential oil from the Mart. Ex Hayne (jatobá-do-cerrado) fruit peel.

This study investigated the chemical composition and the antifungal activity of the essential oil extracted from the fruit peel (HSFPEO) against , , and . The HSFPEO obtained through hydrodistillation was analyzed with gas chromatography coupled to mass spectrometry. The antifungal activity was determined by the mean mycelial growth inhibition of the fungus treated with essential oils and growth control.

Insecticidal activity of copper (II) complexes with flavanone derivatives.

In this work, we describe the insecticidal activity against of flavanone derivatives (naringin, naringenin and hesperidin) complexed to copper (II). For the assays, the compounds were incorporated into an artificial diet and offered to during its larval period. The duration of larval and pupal phases, the weight of pupae and the percentage of dead insects at the end of the larval phase were evaluated.