Pustule membrane that has ruptured - Claflin, Larry (My University, 1990)
Closeup of pustule membrane that has ruptured releasing urediniospores that incite additional infections.
Host/Plant: Corn (Zea mays)
Pest/Path: Common Rust (Puccinia sorghi)
Keywords: Fungal Diseases; Maize; Rust; Color photographs