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Letter to the Editor

Some Concepts of Physiological Plant Pathology. F. L. Lukezic, Department of Plant Pathology, The Pennsylvania State University, University Park 16802; J. Castano(2), S. M. Douglas(3), B. L. Illman(4), L. D. Lathrop(5), E. B. Lawrence(6), B. Nolt(7), M. H. Royer(8), C. A. Stockwell(9), and J. C. Stutz(10). (2)(3)(4)(5)(6)(7)(8)(9)(10)Department of Plant Pathology, The Pennsylvania State University, University Park 16802. Phytopathology 70:471. Accepted for publication 4 April 1980. Copyright 1980 The American Phytopathological Society. DOI: 10.1094/Phyto-70-471.