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  3. Dark-colored Lesions
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Glossary

Select Suspected Cause

Herbicide Damage

Herbicide Damage
     
Leaf Scorch

Leaf Scorch
     
Leaf Spots (Maple-Sycamore)

Leaf Spots (Maple-Sycamore)
(Rhytisma acerinum)
Leaf Spots (Oak)

Leaf Spots (Oak)
(Tubakia quercina)
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)