Effects of pretreatment with low ozone concentrations on ozone injury to bean and mint
- 1 December 1974
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Botany
- Vol. 52 (12) , 2607-2610
- https://doi.org/10.1139/b74-338
Abstract
Acute ozone injury to bean (an ozone-sensitive species) is reduced more than 50% by pretreatment with a low level of ozone (0.02 μl/liter), as compared with pretreatment in ozone-free air. In contrast, mint (an ozone-tolerant species) demonstrates a synergism of low and injurious doses. The reduction in susceptibility of bean is accompanied by a long-term effect of low ozone levels on stomatal conductance.Keywords
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