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Leaf
Blotches of Dead Tissue
Select Suspected Cause
Glossary
Select Suspected Cause
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Disease
Insect
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Anthracnose (Ash)
(Discula fraxinus)
Anthracnose (Elm)
(Stegophora ulmea)
Anthracnose (Oak)
(Discula quercina)
Anthracnose (Sycamore)
(Discula platani)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Drought
Herbicide Damage
Hypoxylon Canker
(Hypoxylon tinctor)
Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Pruning
Leaf Scorch
Lecanium Scale
(Coccus hesperidium)
Phytophtora Root Rot
(Phytophtora spp.)