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Diagnose By Tree Species
Walnut (Juglans)
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All Walnut (Juglans) Pests
Glossary
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Insect
Disease
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Armillaria Root Rot
(Armillaria spp.)
Botryosphaeria Canker
(Botryosphaeria spp)
Drought
Frost Crack
Herbicide Damage
Hypoxylon Canker
(Hypoxylon tinctor)
Improper Mulching
Improper Planting
Improper Pruning
Leaf Scorch
Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage
Mechanical Damage
Nutrient Deficiency
Overwatering
Phytophtora Root Rot
(Phytophtora spp.)
Powdery Mildew
(Oidium sp.)
Soil Compaction
Structural Root Rot
(Ganoderma sp.)
Twig Girdler
(Oncideres pustulatus)
Underwatering