Fecha de publicación: -- Fuente: WIPO "tomato" The present invention belongs to the field of nano-pesticides, and particularly relates to the preparation of suspension dispersions of pesticide varieties insoluble in water and solvents, with a microparticle size of less than 100 nanometers. The copper oxychloride/zineb nano-suspension dispersion is a nano-suspension wherein copper oxychloride and zineb microparticles are dispersed in a random coil morphological structure formed by a water-soluble polymeric dispersant in water.