- Brown sunken lesions with dark red margins develop on the stem.
- Many lesions rapidly merge to girdle stems, branches, peduncles and petiole.
- Elongated lesions appear on the leaf veins and tannish red spots with yellow halo on the leaf surface.
- Lesions similar to those found on the stem also occur on pods .
- Severely affected pods are curled and do not contain normal size seeds.
Select 25 plants at random and observe for typical fresh symptoms.