Angular leaf spot
look dark green, but when transmitted light is used, they are translucent. When conditions are humid, a viscous bacterial exudate forms on the underside [...] side of the leaf as irregular spots which are first reddish brown and then become necrotic. The foliar symptoms are the most important, but also all types [...] irrigation is used. Healthy, well growing plants are more susceptible than diseased or stressed plants. How to prevent Angular leaf spot Use clean propagation