Black Spot
Most types of roses can be infected with Black Spot, though some species are more resistant than others to this particular disease. Many shrub rose varieties show resistance to this disease while many hybrid tea roses are very susceptible.
Black Spot appears on the rose like black splotches which then develop leaf yellowing around them.
| | So... What is Black Spot?
Black spot is an infectious fungal disease that affects most types of roses, though some species are more resistant than others to this particular disease.
Characteristics
Black Spot looks like black splotches which then develop leaf yellowing around them.
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