Effective against black spot, mildew and rust on roses and ornamental garden plants. Also effective against mould in your boxwood. The product has a broad spectrum and works preventively and curatively. Systemic effects via absorption through leaves and transportation to other parts of the plant.Once the damage is visible, the plant should be treated. The treatment should be repeated 2 or 3 times with an interval of 7-14 days. If the disease is persistent and the plants grow quickly, a repetition of once every 7 days is required and otherwise every 14 days. If more than three treatments are necessary, one should consider using a different product. 50 ml/12,5L.