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An Apparatus for Precise Control of Humidity, Temperature, Air Flow, and Light in Spore Discharge Studies. C. M. Leach, Professor, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331; Phytopathology 70:189-191. Accepted for publication 5 September 1979. Copyright 1980 The American Phytopathological Society. DOI: 10.1094/Phyto-70-189.

An apparatus for experimental studies on spore release by plant pathogenic and other fungi is described and illustrated. The apparatus provides precise control of atmospheric humidity, air temperature, light, and air velocity. A precision spore trap that monitors the release of spores by the minute is part of the apparatus.