The symptoms appear as white to light grey powdery growth on the under surface of the leaves and the corresponding upper surface exhibits yellow lesions with brown necrotic centres. Affected leaves curl upwards and shed profusely. Affected plants lose their vigour and remain barren. Circular or oblong lesions that are 5 to 20 mm and have a chlorotic or necrotic appearance. The lesions appear on older leaves and there is also severe wilting and death of plants. It can be controlled byapplication of wettable sulphur at 0.2% gives better control. Sanitation and reduced water stress are effective preventive measures.
What are the symptoms of powdery mildew in moringa and how it can be controlled?
