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Damage to Fruit in Harvest Sample

On this page
  • Peach twig borer
  • Green fruitworm
  • European fruit lecanium
  • Obliquebanded leafroller
  • Forktailed bush katydid
  • Birds
  • Powdery mildew
  • Shot hole disease
  • Ripe fruit rot

Names link to more information on identification and management.

Click on photos to enlarge

Peach twig borer damage
Peach twig borer damage
Identification tip: Damage is usually shallow; larvae may be present inside fruit, sometimes around pit near stem end.

Green fruitworm damage
Green fruitworm damage
Identification tip: Shallow gouges that have healed over with a corky layer.

Photo not available.
European fruit lecanium
Identification tip: Honeydew and sooty mold on the surface of the fruit.

Damage from Obliquebanded leafroller
Obliquebanded leafroller
identification tip: Shallow feeding holes, large corky lesions, and distorted growth.

Katydid feeding
Katydid fruit damage
Identification tip: Shallow feeding injury by forktailed bush katydid that has healed over.

Bird damage
Bird damage
Identification tip: Gouges or shallow holes in fruit surface.

Powdery mildew
Powdery mildew
Identification tip: Powdery mildew appears as weblike white growth on ripe fruit.

Shot hole disease
Shot hole disease
Identification tip: Reddish spots form on fruit surface. Spots usually have tan centers and are less than 1/25 inch across. Although fog spot can be confused with shot hole disease, the persistent marginal red coloration and lack of leaf symptoms distinguish fog spot from shot hole.

Ripe fruit rot
Ripe fruit rot
Identification tip: Dark brown, firm, circular spots spread rapidly over fruit, and tan spore masses form in the centers of spots.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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