Foliar deposition of electrostatic charged spray applied by a cannon sprayer on high tunnel strawberry


Abstract: The cannon sprayer is one of the equipments widely in use for high tunnel strawberries in Trentino. In that context an experiment was carried out using a cannon sprayer equipped with an electrostatic device. Sample analysis showed that the use of the electrostatic charge seems to increase the tracer deposit in the outer part of the vegetation, close to the openings of the tunnel. This effect seems having an influence also on the deposits of the inner leaves closer to the front of the tunnel, reducing the retrievements. In the inner part of the vegetation no deposition increase was found using the electrostatic charge. Even in the central part of the tunnel the effect was no more appreciable. Further investigations appear suitable to determine the effect of this application technique on earliest and more representative development stages for strawberry plants and fruits.

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