Blueberry
Symptom Cause  
Large loss of fruit
Birds
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Plants disappear all /in part; gnawed twig
Deer
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Soft, watery spots appear on stems, leaves or fruit; fuzzy white or gray mold forms.
Gray Mold (Botrytis Blight)
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Holes in leaves and flowers eaten
Japanese Beetles
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Plant stunted/yellowed, root lesions
Nematodes
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Fruit ripens earlier; shriveled berries on ground; berries have circular indentation
Plum Curculio
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White spots on leaves; eventually entire leaf is covered with powder
Powdery Mildew
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Plants grow slowly; stunted; edge of leaves chewed
Root Weevils
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Leaves yellow, drop; bumps on leaves and stems; sometimes sticky leaves
Scale
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Loss of ripening fruit
Squirrels
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