Powdery Mildew
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关于这种疾病
A fungal disease in which white powdery mycelium spreads across leaf surfaces. It can occur on foliage plants and tends to develop in environments with poor air circulation or significant temperature fluctuations.
主要症状
- A white powdery coating or patches may appear on the upper surface of leaves
- The white film may spread across the entire leaf
- Leaves may become distorted or crinkled
- Severe cases may cause yellowing and leaf drop
主要原因
- Indoor environments with large temperature fluctuations and poor air circulation
- Inconsistent watering that alternates between dry and wet conditions
- Crowded planting allowing leaves to touch, reducing airflow
- Infection by airborne fungal spores
预防（栽培环境与日常管理）
Space plants to prevent leaf overlap and ensure good air circulation. Avoid leaving foliage wet overnight by watering earlier in the day.
相关图鉴
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建议几天内处理专卖店·园艺可做的处理？
Specialist nurseries and growers can identify environmental conditions that promote disease development and provide advice on reducing plant density and improving ventilation in the growing space.
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