Disease on crop
fungalVegetable Powdery Mildew on watermelon
Multiple species (Erysiphales)
Surface-feeding fungal disease producing white powdery growth on leaves and stems. Reduces yield by stealing photosynthate and accelerating senescence.
- Disease
- Vegetable Powdery Mildew
- Pathogen type
- Fungal
- Crop
- Watermelon
- Scientific name
- Multiple species (Erysiphales)
Vegetable Powdery Mildew on watermelon
Detailed guidance for this section is being prepared. Check back soon.
Symptoms on watermelon
- ▸ White powdery patches on upper leaf surfaces
- ▸ Yellowing leaves under heavy infection
- ▸ Premature plant senescence and reduced fruit size
IPM controls
- ✓ Plant resistant varieties (most modern cucurbit cultivars carry some resistance)
- ✓ Wide spacing and pruning for airflow
- ✓ Potassium bicarbonate or sulfur sprays at first sign
- ✓ Milk spray (1:10 dilution) for organic control
- ✓ Remove and destroy infected leaves promptly
Other crops affected by vegetable powdery mildew
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