Select Suspected Cause

Annosum Root Rot

Annosum Root Rot
(Heterobasidion annosum)
Anthracnose (Ash)

Anthracnose (Ash)
(Discula fraxinus)
Anthracnose (Elm)

Anthracnose (Elm)
(Stegophora ulmea)
Anthracnose (Oak)

Anthracnose (Oak)
(Discula quercina)
Anthracnose (Sycamore)

Anthracnose (Sycamore)
(Discula platani)
Armillaria Root Rot

Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch

Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Chalcid Wasp

Chalcid Wasp
(Eurytomida spp)
Cotton (Texas) Root Rot

Cotton (Texas) Root Rot
(Phymatotrichopsis omnivora)
Drought

Drought
     
Emerald Ash Borer

Emerald Ash Borer
(Agrilus plannipennis)
Fireblight

Fireblight
(Erwinia amylovora)
Herbicide Damage

Herbicide Damage
     
Hypoxylon Canker

Hypoxylon Canker
(Hypoxylon tinctor)
Hypoxylon Canker (Oak)

Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Planting

Improper Planting
     
Improper Pruning

Improper Pruning
     
Leaf Scorch

Leaf Scorch
     
Lightning Damage

Lightning Damage
     
Mechanical Damage

Mechanical Damage
     
Nutrient Deficiency

Nutrient Deficiency
     
Phytophtora Root Rot

Phytophtora Root Rot
(Phytophtora spp.)
Pine Tip Moth

Pine Tip Moth
(Rhyacionia spp)
Soapberry Borer

Soapberry Borer
(Agrilus prionurus)
Soil Compaction

Soil Compaction
     
Sphaeropsis Tip Blight

Sphaeropsis Tip Blight
(Sphaeropsis sapinea)
Structural Root Rot

Structural Root Rot
(Ganoderma sp.)
Underwatering

Underwatering
     
Winter Burn

Winter Burn