Rust pustules on sorghum leaf - Claflin, Larry (My University, 1993)
Typical rust pustules on sorghum leaf. Rust is seldom a problem in the U.S. as cool temperatures and high moisture is needed.
Host/Plant: Grain Sorghum (Sorghum bicolor)
Pest/Path: Rust (Puccinia purpurea)
Keywords: Rust; Puccinia Purpurea; Color photographs