Diagnosing Plant Disorders Introduction to Plant Science J.G. Mexal

Diagnosing P lant Disorders Verticillium wilt Dark discoloration

What’s Killing Your Trees Fire blight Cotoneaster Pear Apple E. Shannon

What’s Killing Your Trees Crown gall on pecan E. Shannon

Gall on Ponderosa Pine

What’s Killing Your Trees Slime flux J. Mexal E. Shannon

Types of ‘Disease’ Abiotic - Physcial Factors –Temperature –Moisture –Nutrients Biotic - Biological –Insect –Disease (Fungi, Bacteria, Virus) –DPD- human

What’s Killing Your Trees Mistletoe (leafy & dwarf) J. Mexal

? What’s Killing Your Trees Lichens

Eriophyid mites on ash 0.01”

What’s Killing Your Trees Spider Mites Adult Webbing Damage USFS

What’s Killing Your Trees Insects E. Shannon Shot-hole borer Pine Tip-moth

Aphid Predator Egg Masses Pecan Update Blackmargined Aphid / B. Lewis

What’s Killing Your Trees Pecan Twig Girdler

What’s Killing Your Trees Apple Flat Head Borer Larva Wood Borer Bob Cain

What’s Killing Your Trees Insects

Types of ‘Disease’ Abiotic - Physcial Factors –Temperature –Moisture –Nutrients Biotic - Biological –Insect –Disease (Fungi, Bacteria, Virus) –DPD- human

What’s Killing Your Trees The Biggest Killer of Trees - - DPD It’s still alive, but for how long? J. Mexal

What’s Killing Your Trees What are the critical parts of a tree? Xylem Bark Cambium

Things to Know Disease triangle Types of Disease Diseases in New Mexico