Powdery Mildew On Lemon Tree
Powdery mildew on lemon tree
Effective organic fungicides for treating powdery mildew include sulfur, lime-sulfur, neem oil, and potassium bicarbonate. These are most effective when used prior to infection or when you first see signs of the disease. Baking soda has been proved by many gardeners to be effective in treating powdery mildew.