Fecha de publicación: -- Fuente: WIPO "tomato" The invention relates to a composition comprising isolated cutin polymer and/or cutin oligomers for use in prevention or treatment of plant disease, and to a method for prevention or treatment of plant disease, comprising contacting the aerial parts of a plant, particularly leaves and fruit of a plant, with a composition comprising a cutin product consisting of isolated cutin polymer and/or an oligomeric hydrolyzation product of a cutin polymer.