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Symptoms: Tan to dark brown, roughly circular lesions form on leaves. Photo by Plant Disease Clinic |
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Close up view of lesion. Dark fungal reproductive structures may be seen in the center of lesions. Photo by Plant Disease Clinic |
Anthracnose is one of the most common diseases of foliage plants and can affect many different plants. |
Symptoms: Tan to dark brown, roughly circular lesions form on leaves. Photo by Plant Disease Clinic |
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Close up view of lesion. Dark fungal reproductive structures may be seen in the center of lesions. Photo by Plant Disease Clinic |
| Causal organism: | Colletotrichum & Glomerella spp. |
| Method of dispersal: | On air currents or water splashes |
| Infection point: | Leaves, usually through wounds |
| Control: | Isolate diseased plants. Prune out affected leaves, if possible, dipping scissors or knife in 10% bleach solution after each cut. Avoid wetting leaves. Place plants in well-ventilated areas with low humidity and provide adequate space between plants. Do not over-water plants. |
| Labeled fungicides: |
Not recommended |
| Comments: |
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