The American Phytopathological Society (APS) is a non-profit, professional, scientific organization dedicated to the study and control of plant diseases.

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Disease Note

Incidence and Distribution of Six Viruses Infecting Potatoes in Pennsylvania. D. M. Petrunak, Department of Plant Pathology, The Pennsylvania State University, University Park 16802. F. E. Gildow, and B. J. Christ. Department of Plant Pathology, The Pennsylvania State University, University Park 16802. Plant Dis. 75:644. Accepted for publication 21 January 1991. Copyright 1991 The American Phytopathological Society. DOI: 10.1094/PD-75-0644B.

 
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