Angular leaf spot
well growing plants are more susceptible than diseased or stressed plants. How to prevent Angular leaf spot Use clean propagation material and disease-free [...] causes small, water-soaked lesions on the underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is [...] bacterial exudate forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions may merge as they grow and later also