The American Phytopathological Society (APS) is a non-profit, professional, scientific organization dedicated to the study and control of plant diseases.
Richard A. Chapman, 1918 to 1994. D. A. Smith. Phytopathology 85:1052.
Copyright 1995 by The American Phytopathological Society.
doi:10.1094/Phyto-85-1052.