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[influence of ozone on snap bean under ambient air in two sites of northern china].tropospheric ozone (o3) has been assumed the most phytotoxic air pollutant and the snap bean (phaseolus vulgaris l.) is known to be an ozone-sensitive species. two genotypes (r123, ozone-tolerance, s156, ozone-sensitivity) of snap bean were explored in three places. the objective of this study was to evaluate whether the snap bean was influenced under the current ambient ozone concentration. the findings indicated that the leaves of bean grown at research center for eco-environmental sciences (r ...201425338389
assessing the effects of ambient ozone in china on snap bean genotypes by using ethylenediurea (edu).four genotypes of snap bean (phaseolus vulgaris l.) were selected to study the effects of ambient ozone concentration at a cropland area around beijing by using 450 ppm of ethylenediurea (edu) as a chemical protectant. during the growing season, the 8h (9:00-17:00) average ozone concentration was very high, approximately 71.3 ppb, and aot40 was 29.0 ppm.h. all genotypes showed foliar injury, but ozone-sensitive genotypes exhibited much more injury than ozone-tolerant ones. compared with control, ...201526074161
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