ROS level of three bermudagrass varieties differing in drought tolerance during drought stress.

<p>Changes of H<sub>2</sub>O<sub>2</sub> content (A) and MDA level (B) of three varieties (Tifgreen, SR9554 and Yukon) differing in drought tolerance during drought stress were shown here. The results shown are mean ± SE (n = 4). Asterisk symbols indicate significant differences between Yukon and other genotypes (<i>P</i><0.05).</p>