Abstract: The present invention refers to an applicator (20, 30, 40, 50) for applying electrical current into a plant, the applicator arranged to be carried by a moving carrier, comprising: at least one support structure (18) comprising a connecting member (17) for attaching the applicator to the moving carrier and locomotion means (22, 31, 36) for moving the applicator along with the carrier; and at least one conductive electrode (24, 34, 35, 54) attached to the support structure (18) and connectable to a terminal of an electrical power source, the at least one conductive electrode (24, 34, 35, 54) comprising a contacting surface for contacting the plant as the applicator is moved by the carrier, wherein a length of the contacting surface extends in the movement direction and is greater than a width of the contacting surface.