Symptom
- Foliar symptoms vary, as brown flecks, fine linear streaks, small oval spots, large irregular oval, oblong, or almost rectangular spots measuring 1-10 x 0.5-3 mm.
- Large fusiform lesions are sometimes produced.
- Lesions may expand and coalesce.
- Lesions may be solid dark brown but usually become tan or greyish brown with a more or less distinct dark brown border.
| Symptom on stem | Symptoms on leaf sheath |