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.

Black Spot, a New Field Disease of Pear in Greece. C. C. Thanassoulopoulos, Aristotelian University, Faculty of Agriculture, Plant Pathology Laboratory 540 06, Thessaloniki, Greece. E. D. Lazarides, K. and N. Efthimiades Agrochemicals Industrial and Commercial Co., Dodecanissou 24, 546 26 Thessaloniki, Greece. Plant Dis. 74:720. Accepted for publication 12 April 1990. Copyright 1990 The American Phytopathological Society. DOI: 10.1094/PD-74-0720E.

 
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