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Disulfides in Bean Leaves Exposed to Ozone. Harley Tomlinson, Assistant Plant Pathologist, Department of Plant Pathology and Botany, The Connecticut Agricultural Experiment Station, New Haven 06504; Saul Rich, Senior Plant Pathologist, Department of Plant Pathology and Botany, The Connecticut Agricultural Experiment Station, New Haven 06504. Phytopathology 60:1842-1843. DOI: 10.1094/Phyto-60-1842.

Primary leaves of pinto bean contained disulfides only after exposure to ozone. Disulfide formation was not accompanied by a corresponding decrease in sulfhydryl content. The normal, dark-induced decrease in sulfhydryl content may be inhibited by ozone.