Yew
Symptom Cause  
Holes chewed from outside to middle of needle foliage
Black Vine Weevils
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Major damage to foliage
Deer
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Sooty mold forms, suck juices from leaves; may kill plant
Mealybugs
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Branches wilt and die
Root Rot (fungus)
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Leaves and branches encrusted with small bumps; stunted plant growth
Scale Insects
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Needles turn brown branches discolor
Soil Problems
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