Zucchini Leaf Spots: Complete Treatment Guide
What is Zucchini Leaf Spots?
Symptoms
- Circular spots on leaves
- Dark borders with light centers
- Yellow halos around spots
- Spots merging together
- Leaf yellowing and death
- Stem and fruit spots
What Causes Zucchini Leaf Spots?
- Fungal infection
- Bacterial infection
- High humidity
- Poor air circulation
- Wet foliage
- Overcrowded plants
How to Treat Zucchini Leaf Spots
Organic Treatments
- Apply copper fungicide
- Use compost tea
- Remove affected leaves
- Improve air flow
- Organic fungicides
- Neem oil application
Chemical Treatments
- Apply chlorothalonil
- Use copper-based fungicide
- Systemic fungicides
- Preventive sprays
Cultural Controls
- Proper spacing
- Improve ventilation
- Water at soil level
- Remove infected leaves
- Clean garden tools
- Crop rotation
How to Prevent Zucchini Leaf Spots
- Disease-free seeds
- Proper plant spacing
- Avoid overhead watering
- Morning watering only
- Regular monitoring
- Good sanitation
Recommended Fertilizers for Zucchini Leaf Spots
- Copper fungicide
- Compost tea
- Balanced organic fertilizer
- Seaweed extract