Sweet Gum
Symptom Cause  
Dark; damp stain on bark
Bleeding Necrosis (fungus)
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Holes in leaves
Caterpillars
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Leaves yellow between the veins; veins are green
Chlorosis
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Young portions of foliage disappear, or young tips disappear; shredded bark on trunk.
Deer
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Ends of branches turn black
Frost Damage
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