An apparatus for pesticide treatments has an impeller (5) for feeding a flow of air under pressure along at least one manifold (11) and through a plurality of outlet mouths (13), an outlet nozzle mounted within each outlet mouth (13) for feeding a pesticide product in the flow of air under pressure, an electrical device (16) for electrically charging the pesticide mixture fed through the outlet mouths (13), and a shielding panel (27) facing the outlet mouths (13) and provided with a plurality of outlet elements (30) adapted to feed a flow of air under pressure against the pesticide mixture fed through the outlet mouths (13).
