Phytotoxicity of Air Pollutants: Evidence for the Photodetoxification of SO(2) but Not O(3).

Pisum sativum L. cv Alsweet (garden pea) and Lycopersicon esculentum flacca Mill. (tomato) were used to evaluate the phytotoxicity of SO(2) and O(3) in the light and dark. Plants were grown in controlled environment chambers and exposed to SO(2) or O(3) in the light or dark at the same environmental conditions at which they were grown. The pea plants were… (More)