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.

Pine-Pine Gall Rust, Caused by Peridermium harknessii, on Scots and Ponderosa Pines in Missouri. F. Rycyk, Jr., Missouri Department of Agriculture, Jefferson City 65102. C. J. Luley, and P. Gowen Overton. Missouri Department of Conservation, Jefferson City 65102, and Avila College, Kansas City, MO 64145. Plant Dis. 73:610. Accepted for publication 22 April 1989. Copyright 1989 The American Phytopathological Society. DOI: 10.1094/PD-73-0610B.

 
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