Marigold Flowers at Risk: 3 Fatal Diseases in Changing Weather, Prevention Tips

• Fluctuating temperatures, sudden cold-heat, fog, and humidity severely impact marigold crops, affecting both production and quality.
• Optimal temperature for marigold cultivation is 18-25 degrees Celsius; extreme changes halt growth and reduce flower count.
• Excessive cold, fog, and high humidity increase risks of fungal diseases like powdery mildew, leaf spot, blight, and root rot.
• Prevention includes ensuring proper field drainage, light morning irrigation, and regular monitoring for diseases and pests.
• Balanced fertilization with potash and micronutrients, mulching, and covering plants during frost protect crops.

Why It Matters: Protect marigold crops from weather-induced diseases with proper irrigation, drainage, pest control, and nutrient management.