Fecha de publicación: -- Fuente: WIPO "tomato" A soil-borne plant disease control agent that can be safely used as a biopesticide. The active component of the control agent includes viable bacteria of novel strains of Bacillus and Fictibacillus, or a culture of these bacteria. The soil-borne plant disease control agent is a vegetable wilt control agent. The plant disease control agent can be applied (sprayed) to stems and leaves to control a bacterial wilt disease caused by soil bacteria Ralstonia solanacearum species complex, and/or bacterial soft rots. A plant disease control method.