Phosgard is a systemic fungicide with a protectant action for the control of phytophthora and pythium root rots. Application is made by foliar spray, tree injection or as a soil drench. Phosgard has a preventative action and a curative action if sufficient root system remains.
Contains: 400g/L phosphorous acid, present as the mono and di potassium salts, in the form of a soluble concentrate
