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Black spot, caused by the fungus Diplocarpon rosae, is one of the most common and disfiguring diseases affecting roses in various regions, including those with humid and warm climates such as some areas of Latin America. Its presence not only compromises the aesthetics of the plants, covering their leaves with unsightly dark spots, but also …
Understanding Black Spot, a Common Condition in Roses Black spot is a fungal disease that predominantly affects roses. Characterized by circular black spots on the leaves, which eventually turn yellow and fall off, this disease can significantly weaken the plants and affect their blooming. What Is Black Spot and How Does It Manifest? Caused by …