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Asked by Melita from Murray, Utah05/20/2016QWill Monterey Fungi-Fighter treat white stuff on rose leaves?
Just wondering if this products I needed for my roses. I begin to see some some white gray stuff on the leaves of the rose plant.AYou may have a disease called powdery mildew on the roses. Monterey Fungi-Fighter can be used to treat this disease, as can most other common fungicides. Per the product label, use 1 tablespoon (0.5 oz) per gallon of water. Thorough coverage is needed for best results. Apply at bud break and then ev…
Read Full Answer »You may have a disease called powdery mildew on the roses. Monterey Fungi-Fighter can be used to treat this disease, as can most other common fungicides. Per the product label, use 1 tablespoon (0.5 oz) per gallon of water. Thorough coverage is needed for best results. Apply at bud break and then every 10 days.