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Stemphylium Leaf Spot

Fungal
Symptoms

Initial symptoms of Stemphylium leaf spot on leaves consist of small (0.13 to 0.25 inch diameter), circular to oval, gray‑green leaf spots. As the disease progresses, leaf spots enlarge, remain circular to oval in shape, and turn tan in color. Older spots coalesce, dry up, and become papery in texture. Visual signs of fungal growth are generally absent from the spots; hence this problem is readily differentiated from foliar diseases in which purple growth (downy mildew), green spores (Clad

Treatment Options

Treatment information coming soon.

Prevention Strategies

Prevention tips coming soon.

Quick Facts

Type

Fungal

Prevention is Key

Many diseases can be prevented with proper cultural practices.

Companion Planting