Effects of Drought Stress on Photosynthetic Capacity and Antioxidant System in Wheat with Different Ploidy Levels and Octoploid Triticale at Seedling Stage
In this study,the changes of chlorophyll fluorescence,gas exchange parameters,reactive oxygen species(ROS),and the activities of antioxidative enzymes among diploid,tetraploid and hexaploid wheat and octoploidy Triticale seedlings under drought stress were compared.The results showed that the relative water content(RWC)and chlorophyll content in wheat with different ploidy levels and octoploid Triticale significantly decreased under drought stress for 3 d.In addition,a significant decrease in the stomatal c...