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Stem rust - Wikipedia, the free encyclopedia
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Date/Time Thumbnail Dimensions User Comment ... Usage of Puccina graminis lifecycle.gif on enwiki ... Categories: Basidiomycota | Plant diseases | Life cycle diagrams | Puccinia graminis...
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Close-up of stem rust (Puccinia graminis) on wheat. Photo by Yue Jin. ... Life cycle of Puccina graminis ... Category: Puccinia...
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As a means of comparing the life cycle of Puccinia graminis with that of the mushroom life cycle, a summary of the life cycle will begin with the basidiospore. ... Comparison of the Puccinia graminis and mushroom life cycle...
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One of the classic host-pathogen relationships in plant pathology is between the common barberry, Berberis vulgaris, and Puccinia graminis, the cause of stem rust, a destructive disease of small grains. As the alternate host of P. graminis, the barberry is the key in the sexual stage of the pathogen?s life cycle.
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Stem rust is caused by Puccinia graminis Pers.:Pers. = P. graminis Pers.:Pers. f. sp. tritici Eriks. & E. Henn. The fungus exists in several races. Like most rust fungi it requires two taxonomically diverse hosts to complete its life cycle.
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This disease is frequently described to students as a classical rust which has an alternate host . The fungus produces teliospores on the wheat plant which produce a secondary spore, the basidiospore . This spore infects a completely different host - in this case the barberry ... Causal organism - Puccinia graminis...
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