Fig. 3From: Comparative studies on tolerance of rice genotypes differing in their tolerance to moderate salt stressEffect of salt stress on accumulation of reactive oxygen species (ROS) and contents of oxidants and antioxidant enzymes in shoot of Dongdao-4 and Jigeng-88 seedlings. ROS accumulation in Dongdao-4 and Jigeng-88 was detected at 5 day with 3,3′-diaminobenzidine (DAB) (a) and nitroblue tetrazolium (NBT) staining (b). Bar, 0.1 cm. c malondialdehyde (MDA), d catalase (CAT), e peroxidase (POD), f superoxide dismutase (SOD). Data are means ±SE (n ≥ 4). Means with different letters are significantly different (P < 0.05) within the same treatments. Asterisks (*) indicate significant differences between control and salt stress of the same genotype which were determined by Student’s t-test (*0.01 < P < 0.05, **0.001 < P < 0.01, *** P < 0.001)Back to article page