Cercospora leaf spot symptoms are primarily circular lesions with a white center on pepper. The symptoms have a frog-eye appearance. The disease can affect plants under high moisture conditions.
A lesion on pepper leaf along the mid vein area. This is followed by blighting of the foliage. Fruits are not normally affected, but symptoms can appear on stem and can girdle the stem.
Water-soaking of leaves may also be observed. The yellowing region can expand. The disease doesn't typically lead to yield losses, but fruit size may be affected.
Cercospora spp. conidiophores and conidia (spores). The conidia produce hyphae (fungal strands) that penetrate stomates (natural openings on leaves). The spores can be spread by air and water.