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White leaves on plants are often caused by powdery mildew, a fungal disease that thrives in warm, humid conditions. To treat powdery mildew, you can try removing and disposing of affected leaves, improving air circulation around the plant, and applying fungicides as needed. Additionally, avoiding overhead watering and keeping the plant well-watered but not overly wet can help prevent powdery mildew from spreading.

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6mo ago

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