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Elm (Ulmus)
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Insect
Disease
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Armillaria Root Rot
(Armillaria spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Carpenterworm
(Prionoxystus robiniae)
Dutch Elm Disease
(Ophiostoma novo ulmi)
Frost Crack
Improper Mulching
Improper Pruning
Lightning Damage
Mechanical Damage
Phytophtora Root Rot
(Phytophtora spp.)
Soil Compaction
Structural Root Rot
(Ganoderma sp.)
Twig Girdler
(Oncideres pustulatus)
All Factors Affecting Elm (Ulmus)