The Effects Of Ozone On Tobacco And Pinto Bean as Conditioned by Several Ecological Factors
Open Access
- 1 February 1967
- journal article
- research article
- Published by Taylor & Francis in Journal of the Air Pollution Control Association
- Vol. 17 (2) , 112-114
- https://doi.org/10.1080/00022470.1967.10468950
Abstract
The sensitivity of tobacco and/or pinto bean to ozone, as an air pollutant, is increased by growing plants in a shortened photoperiod under reduced light intensity and in a light potting mix. Sensitivity also is influenced by carbon dioxide concentration, time of day, and age of plant at time of exposure. Plants are more severely injured by a given dose under continuous exposure than when the exposure is split into two time periods. Tobacco shows cumulative development of injury when exposed to low concentrations intermittently over several days.Keywords
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