What symptom is commonly associated with powdery mildew?

Powdery mildew is a fungal disease that is characterized by its distinctive appearance on plant leaves and flowers. The correct answer highlights the key symptom of white, powdery growth that typically appears on the surfaces of leaves and flowers, making it easily recognizable. This mold-like growth can alter the appearance of the affected plant parts, often leading to misshapen flowers as well.

Understanding the symptoms of powdery mildew is crucial for proper identification and management of the disease. Knowing that it manifests as white, powdery spots allows gardeners and agricultural professionals to diagnose the problem early and implement appropriate control measures to mitigate its effects, preventing further spread and damage to healthy plants.