UC IPM Online UC ANR home page UC IPM home page


SKIP navigation



Monitoring Fruit for Disease—Fruit Development

On this page
  • Bacterial canker lesions
  • Buckeye rot damage
  • Late blight discoloration

Watch fruit for diseases such as bacterial canker, late blight, and buckeye rot. Use the photos below to identify symptoms in the field. Names link to more information on identification and management.

Click on photos to enlarge

Bacterial canker
Bacterial canker lesions
Identification tip: Look for a "bird's-eye spot"—a light brown spot with white halo—on green fruit.

Buckeye rot
Buckeye rot damage
Identification tip: Damaged green fruit showing leathery, brown spot with concentric rings.

Late blight
Late blight discoloration
Identification tip: Late blight causes fruit discoloration.

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2014 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   /PMG/C783/m783fpfruitmon.html revised: May 19, 2014. Contact webmaster.