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A Temperature-Gradient Plate Designed to Function Near and Below 0 C. R. C. Rowe, Graduate Student, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331, Present address of senior author: Plant Pathology Department, North Carolina State University, Raleigh 27607; R. L. Powelson, Associate Professor, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331. Phytopathology 63:287-288. Accepted for publication 6 September 1972. DOI: 10.1094/Phyto-63-287.

A modification of a temperature-gradient plate apparatus to function in the range of 10 C to -10 C is described. Growth and sporulation of fungi can be accurately evaluated at low temperatures with this system.