Tusal is a natural fungicide that helps stop and manage soil diseases caused by harmful plant pathogens, utilizing a special blend of two types of Trichoderma (Trichoderma atroviride, T11, and Trichoderma asperellum, T25) that work synergistically. The live microorganisms in TUSAL help manage soilborne diseases such as Fusarium, Phytophthora, and Sclerotinia.