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Sporulation Capacity and Longevity of Puccinia horiana Teliospores in Infected Chrysanthemum Leaves

M. R. Bonde, C. L. Palmer, D. G. Luster, S. E. Nester, J. M. Revell, and D. K. Berner

August 2013


Puccinia horiana Henn., a quarantine-significant fungal pathogen and causal agent of chrysanthemum white rust (CWR), was first discovered in the United States in 1977 and later believed to have been eradicated. Recently, however, the disease has sporadically reappeared in the northeastern US. To determine the possibility that the pathogen might be overwintering in the field, we undertook the study described here.


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