Fosetyl Aluminium Fungicide is an aluminium salt composed of ethyl phosphonate anions and aluminium cations in a 3:1 ratio. A fungicide for various horticultural crops used to control a range of diseases including Phytophthora, Pythium and Plasmopara. It has a role as an antifungal agrochemical. Mode Of Action Systemic fungicide, rapidly absorbed through the plant leaves or roots, with translocation both acropetally and basipetally. Target Pests Downy Mildew and Soil fungus.