Puccinia purpurea
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sorghum leaves with symptoms of infection by Puccinia purpurea (click on image to enlarge it)
Author(s): Scot Nelson, Hawaii
Source: Flickr
Author(s): Scot Nelson, Hawaii
Source: Flickr
Puccinia purpurea symptoms on Sorghum bicolor (click on image to enlarge it)
Author(s): David C. Novell (EcoPort)
Source: Wikimedia Commons
Author(s): David C. Novell (EcoPort)
Source: Wikimedia Commons
Puccinia purpurea Cooke 1876
The fungus is widely distributed and causes sorghum rust. The disease can result in economic damage in some areas with yield losses approaching or exceeding 50%. Other plants may also become infected like maize or grasses. The uredinia are reddish brown and develop on both leaf surfaces. Teliospores are dark brown and aecia have been reported to occur on wood sorrels (Oxalis).
