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Published on: August 25, 2017
Secondary effects of air pollution: ozone decreases brown rust disease potential in wheat
1GSF, Institut für Toxikologie, Ingolstädter Landstr. 1, D-8042 Neuherberg, West Germany.
Abstract:
Young wheat plants were fumigated with 170 microg m(-3) ozone for 3 days, or with 210 microg m(-3) ozone for 7 days, for 7 hours a day. At the end of the fumigation period the plants were inoculated with brown rust (Puccinia recondita f. sp. tritici) uredospores. The development of new uredospore pustules on fumigated and control plants was evaluated as a measure of rust disease potential. The number of pustules on the ozone fumigated plants was greatly reduced in comparison with the number of plants treated with charcoal-filtered air.
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