Powdery Mildew of Tomato
Leveillula taurica
Tomatofungal
A fungal disease producing yellow leaf blotches with white powdery growth underneath.
Symptoms
Yellow blotches on the upper leaf surface with white, powdery fungal growth developing on the underside.
Favorable conditions
- •Warm, dry conditions with high humidity at night
- •Dense canopy limiting airflow
Management
- 1Apply sulfur or a targeted systemic fungicide
- 2Use resistant varieties where available
- 3Improve airflow through spacing and pruning
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