Tomato: Bloom: Distinguishing Armyworm from Fruitworm Damage

Monitoring Fruit for Disease—Fruit Development

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

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

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

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