Question

Powdery mildew, a fungal disease that appears as a white to greyish powdery growth on the leaves, stems and sometimes fruits of a wide range of crops, is generally favoured most by which combination of weather conditions?

Q: Answer-Powdery mildew, a fungal disease that appears as a white to greyish powdery growth on the leaves, st...

Powdery mildew fungi generally thrive under conditions of high relative humidity combined with cool nights and warm, dry days, since the spores germinate well in humid air but do not require free water on the leaf surface, unlike many other fungal diseases that need prolonged leaf wetness.