- Extension Plant Pathology Portal
- Diseases and Disorders Chapter of the Extension Gardener Handbook
- Disease Fact Sheets
- Homeowner’s Guide to Managing Diseases Using Fungicides, Bactericides, and Alternative Products
- NC Ag Chem Manual -disease management recommendations
- Plant Disease and Insect Clinic: Blog , Facebook , Twitter, Plant Disease Fact Sheets
- Strawberry Diagnostic Tool
- Turf Disease ID
- Turf Disease Management
- Verticillium Wilt - A Serious Disease of Trees and Shrubs, from Iowa State University
- Verticillium wilt refresher, from Michigan State University
- Verticillium Wilt of Trees and Shrubs, from the University of Wisconsin
- Two references with lists of susceptible and resistant or immune species:
- Verticillium Wilt, from the University of Massachusetts
- Plants resistant or susceptible to Verticillium Wilt, from the University of California
How to Take a Sample to Send for Disease Diagnosis
