Claflin, Larry2015-12-232015-12-231993-09-019/1/1993http://hdl.handle.net/2097/20788Rust pustules on peduncle. Only under high moisture and cool conditions will this occur.Host/Plant: Grain Sorghum (Sorghum bicolor)Pest/Path: Rust (Puccinia purpurea)1608 x 1069 pixelsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).RustPuccinia PurpureaImageColor photographs