L’activité bio-insecticide de l’extrait d’Urtica dioica sur les larves de la mineuse de tomate Tuta absoluta

Abstract

This study is to determine the effectiveness of a bio-insecticide treatment of plant origin from the extraction of leaves and roots of Urtica dioïca from the region of Mostaganem against the larvae of Tuta absoluta (Meyrick, 1917) known as the tomato leaf miner. The plant chosen for our study is represented by Urtica dioïca, a common plant; everyone knows it for its stinging contact. In fact, it is a medicinal plant used since antiquity for its numerous therapeutic properties. The extraction of U.dioïca leaves obtained by Soxhlet. While for the roots extracted by the method of Sijith et al. (2011). The experimentation revealed that the extract of U. dioïca can be a very interesting means of control.