Brown to black pin-head structures  (pycnidia) at centre of lesions (E. Rasco).

Diagnostic summary

• What you see on plants

- older leaves have whitish to tan brown lesions surrounded by  dark purple to brown margin, with irregular shape  and measure 5-10 mm wide. Centre of mature lesions have few pinhead-like black to brown structures clearly visible to naked eye.

- lesions can coalesce and cover a great portion of the leaf.

- lesions are more prominent on the upper surface of leaves.

• Restricted to leaves and develops mainly in mature leaves.

•  Found in different regions of the world.

Taxonomy

Economic importance

Geographical distribution

Morphology

Symptoms

Biology and ecology

Host range

Diagnosis

Management

References

View full fact sheet