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Elm (Ulmus)
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Insect
Disease
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Anthracnose (Elm)
(Stegophora ulmea)
Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Botryosphaeria Canker
(Botryosphaeria spp)
Drought
Dutch Elm Disease
(Ophiostoma novo ulmi)
Elm Leaf Beetle
(Pyrrhalta luteola)
Elm Spanworm
(Ennomos subsignarius)
Fall Webworm
(Hyphantria cunea)
Herbicide Damage
Improper Planting
Improper Pruning
Japanese Beetle
(Popillia japonica)
Larger Elm Leaf Beetle
(Monocesta coryli)
Leaf Scorch
Lightning Damage
Linden Looper
(Erannis tilaria)
Locust Leafminer
(Odontota dorsalis)
Mechanical Damage
Nutrient Deficiency
Overwatering
Phytophtora Root Rot
(Phytophtora spp.)
Powdery Mildew
(Oidium sp.)
Soil Compaction
Spring Cankerworm
(Paleacrita vernata)
Structural Root Rot
(Ganoderma sp.)
Underwatering
Variable Oakleaf Caterpillar
(Heterocampa manteo)
All Factors Affecting Elm (Ulmus)