D-limonene-based formulations for the management of Diaphania hyalinata, Plutella xylostella and Spodoptera eridania in a greenhouse

Diaphania hyalinata, Plutella xylostella and Spodoptera eridania are considered important pests in vegetable crops, causing significant production losses. The most common method for managing these is the use of synthetic insecticides that cause chain damage, from human health to environment. A less aggressive alternative botanical insecticides, such as essential oils, which present themselves potential composition bioinsecticides. In study, efficiency formulations based on d-limonene (major compound orange peel oil - Citrus sinensis) mortality D. P. S. was evaluated. For this purpose, containing (2.0%), Tween 80 (0.05%) water were prepared, combined with different encapsulating agents (xanthan gum, guar gum maltodextrin) diluted 2% (v /v). sprayed plants using a sprayer five second-instar caterpillars distributed each plant. evaluated 72 h after application formulas. Formulation agent had an effect formulation maltodextrin eridania.