Rust Fungi of Southeast Asia

Puccinia kuehnii (W. Krüger) E.J. Butler

Description

Uredinia on lower leaf surface, subepidermal, erumpent, linear, up to 500 µm, confluent, yellow, peridium present.

Urediniospores obovoid to pyriform, apex obtuse, 35-43 × 27-31 µm; wall 1.5-2.0 µm thick, apex 2.5-3.0 µm thick, finely echinulate, with 4-5 equatorial germ pores.

Specimens cited in description:
- BRIP 58350.

Hosts
Host family:
- Poaceae

Host species:
- Saccharum sp.

Distribution
Vietnam

Highslide JS
Puccinia kuehnii on Saccharum sp. - BRIP 58350.
Highslide JS
Urediniospores of Puccinia kuehnii on Saccharum sp. - BRIP 58350.
Scale bar = 10 µm.