Fig. 4

Overexpression of ThST5 reduced the level of reactive oxygen species (ROS) in cotton. A DAB and B NBT stained leaves of CK and ST5-OE(11-day old) from 0 mmol·L⁻¹ and 100 mmol·L⁻¹ NaCl treatment Bar = 1 cm. A Brown precipitates denotes accumulation of H₂O₂. B Blue precipitates represents accumulation of O₂⁻