genus Puccinia


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Noun1.genus Puccinia - type genus of the Pucciniaceaegenus Puccinia - type genus of the Pucciniaceae; a large genus of parasitic fungi including many that are destructive to various economic plants
fungus genus - includes lichen genera
family Pucciniaceae, Pucciniaceae - large important family of rust fungi
Puccinia graminis, wheat rust - rust fungus that attacks wheat
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References in periodicals archive ?
The rust fungi that attack the world's major cereal crops all belong to the genus Puccinia. When attacked, resistant wheat, maize and barley varieties all defend themselves with the same `scorched-earth' strategy: the plant activates gene products that kill off the cells in the immediate vicinity of the infection.