Bahzad Khaled
Tropospheric ozone (O3) is a significant air pollutant known to have adverse effects on crops productivity and plant health, and it is widely recognized as a phytotoxic atmospheric pollutant, which results in reduced photosynthesis, growth inhibition, accelerating leaf senescence, as well as yield losses in many plant species. Wheat Triticum aestivum is considered one of the sensitive staple crops to air pollution particularly by tropospheric ozone. Thus, the purpose of this study is to examine how EDU contributes to the evaluation of the effects of ozone phytotoxicity on the growth and yield of two wheat cultivars, Triticum aestivum vars. Ceyhan-99 and Adana-99. Three levels of ozone were applied during daylight hours: ambient ozone concentration (control), 50 ppb and 60 ppb, in addition to three levels of ethylene diurea (EDU) control, 200 ppm and 300 ppm during anthesis stage. The findings show that tropospheric ozone has a negative impact on both wheat varieties as vegetative and productive traits., on the other hand foliar EDU spray act as a protective agent against ozone-induced damage in various wheat plant characteristics which studied during the research.