Disease problems

Black spot on Rose

If you are having trouble with roses, visit UC IPM's Roses: Diseases and Abiotic Disorders. (PN 7463)

External Resources

Plant Problem Diagnostic Tool - UC IPM's will help you figure out what's ailing that plant.
Brown rot fungus - UC IPM pest note
Eutypa dieback - UC IPM pest note
Peach leaf curl - UC IPM pest note
Roses: Diseases and Abiotic Disorders. (PN 7463) - UC IPM
Individual Disease Pest Notes - UC IPM covers the most common plant diseases. Also visit the following links for more specific information related to your plant:

ANR = free publication from the UC Agriculture and Natural Resources Catalog
PN = free publication from UC Integrated Pest Management
EHN = Environmental Horticulture Notes from the UCCE Master Gardeners of Sacramento County
GN = Garden Notes from the UCCE Master Gardeners of Sacramento County

You need Adobe Reader to read the PDF files; download the latest version using the link below.