Abscisic acid protects bean leaves from ozone-induced phytotoxicity
- 1 November 1972
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Botany
- Vol. 50 (11) , 2389-2391
- https://doi.org/10.1139/b72-305
Abstract
Abscisic acid treatment of primary bean leaves caused a partial closure of stomates and thus considerably reduced the phytotoxicity of ozone. The symptoms of ozone-induced phytotoxicity in the water-treated leaves are a marked decrease in chlorophyll and slight decreases in the levels of protein and RNA. The evidence indicates that ozone injury to leaves is not metabolically related to normal leaf senescence.Keywords
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