Echo® Ultimate is an 82.5% spray-dried chlorothalonil formulation that readily disperses in the spray tank and exhibits excellent re-suspensibility in water. Echo Ultimate is a proven contact fungicide that offers prevention and control of more than 75 diseases, including rusts. Echo Ultimate naturally adheres to plant surfaces, providing long-lasting, residual control. Echo Ultimate has no known resistance issues and is ideal for use with newer fungicides to manage resistance and broaden their weed-control spectrum.