Identification symptoms
Severely infected plant (Spots on leaf, stem and capsule)
Target spot on leaf
1. Initially small, circular, reddish brown spots (1-8mm) appear on leaves which enlarge
2. later and cover large area with concentric rings.
3. The lower surface of the spots are greyish brown in colour. In severe blighting defoliation occurs. Dark brown lesions can also be seen on petioles,
4. stem and capsules. Infection of capsules results in premature splitting with shriveled seeds