"Diseases of Trees and Shrubs" (Comstock/Cornell Press) — comprehensive ID for roots, stems, crowns, leaves. Link
Use book for diagnosis, then search current controls online. Treatment books outdated quickly due to label changes.
Bubbly Citrus Leaves: Insect Pests, Not Disease
Dwarf Plum Powdery Mildew and Apricot Bacterial Spot
Old Magnolia with Dead Limbs and Papery Growth: Lichens
Black Oak Sudden Oak Death or Slime Flux in California Mountains
Apple Orchard Problems at High Elevation: Borers, Sun, Heat, Pruning Bleed
Crepe Myrtle Bark Shedding and Biennial Blooming: Normal vs. Nutrient Needs
Pecan Tree Bark Peeling: Photo Request for Rust-Colored Substance Diagnosis
Pink Dogwood Anthracnose: Comprehensive Disease Management Guide
Citrus Sooty Mold: Friendly Fungus with Organic Solution
Black Fungal Conks on Hickory Trees: Identification and Management
Sudden Aspen Decline (SAD) in Pacific Northwest: Beetle Link and Forester Help
Plum Tree "Ghost Leaves": Diagnosing Browning and Bud Check
Crabapple Tree Guide: Varieties, Planting, Pruning, and Disease Care
Copyright © www.100flowers.win Botanic Garden All Rights Reserved