Both ‘S156’ and ‘R123’ showed different responses to the fluctuations in ambient-level ozone concentrations when grown under field conditions. In general, foliar applications of EDU had favorable effects on ‘S156’ plants compared with control plants. Above-ground biomass, pod and seed weight, were significantly higher than in control plants. When treated with EDU, ‘R123’ showed significant setbacks in several characteristics: a significant increase in the number of immature pods,
and significant decreases in above-ground biomass, mature pod numbers, pod and seed weights were registered.
These results suggest that the application of EDU had favorably influenced plant growth and harvestable yield production of ‘S156’. Results for ‘R123’, on the other hand, showed an opposite trend. A summary of cumulative O3 exposure from plant emergence to final
harvest is shown in Table 1
Both ‘S156’ and ‘R123’ showed different responses to the fluctuations in ambient-level ozone concentrations when grown under field conditions. In general, foliar applications of EDU had favorable effects on ‘S156’ plants compared with control plants. Above-ground biomass, pod and seed weight, were significantly higher than in control plants. When treated with EDU, ‘R123’ showed significant setbacks in several characteristics: a significant increase in the number of immature pods,
and significant decreases in above-ground biomass, mature pod numbers, pod and seed weights were registered.
These results suggest that the application of EDU had favorably influenced plant growth and harvestable yield production of ‘S156’. Results for ‘R123’, on the other hand, showed an opposite trend. A summary of cumulative O3 exposure from plant emergence to final
harvest is shown in Table 1
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