Actinovate Organic Fungicide 2 Oz. Packet (2 Pack) Biological Fungus Control Each Package Treats up to 550 plants or 5,000 sq. ft. of turf! Enhances plant vitality and Encourages larger root systems Controls soil-borne plant diseases such as Pythium, Rhizoctonia, Phytophthora, Verticillium, Fusarium and others. OMRI Listed (Two - 2 oz. Pacakages) Total of 4 oz.