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Puccinia graminis

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Noun1.Puccinia graminis - rust fungus that attacks wheat
rust fungus, rust - any of various fungi causing rust disease in plants
genus Puccinia, Puccinia - type genus of the Pucciniaceae; a large genus of parasitic fungi including many that are destructive to various economic plants


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Pryor says fungal pathogens of cereals fall into two basic classes: nectotrophs, such as the maize blight fungus Helminthosporium, which kill the plant and feast on its dead tissues, and biotrophs such as wheat stem rust, Puccinia graminis ssp.
This may lead to a much more complex system, such as that occurring in gene-for-gene interactions involving the cereal stem rust Puccinia graminis, a serious pathogen of wheat crops.
 
 
 
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