Brown Spots on Fan Leaves During Flowering: Treatment Guide

Brown spots on fan leaves during flowering indicate stress, disease, or nutrient issues. Quick treatment prevents spread and maintains plant health.

Common Causes of Brown Spots

• Pests like spider mites or aphids
• Fungal infections such as powdery mildew
• Nutrient deficiencies or excesses
• Overwatering or poor drainage
• Environmental stress from temperature changes

Immediate Treatment Steps

1. Remove affected leaves immediately
2. Improve air circulation around plants
3. Adjust watering schedule to avoid overwatering
4. Apply appropriate fungicide or insecticide
5. Test soil pH and adjust nutrients accordingly

Comparison of Treatment Methods

Method	Cost	Duration	Effectiveness
Organic neem oil spray	$10-20	2-3 weeks	High
Chemical fungicide	$15-30	1-2 weeks	Very High
Hydrogen peroxide treatment	$5-10	3-4 weeks	Moderate

Prevention Strategies

Regular monitoring: Check leaves daily for early signs of damage.
Proper watering: Water at base, not foliage.
Nutrient balance: Maintain proper N-P-K ratios.
Airflow: Ensure good ventilation in growing area.