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Table 5 Effects of exogenous SA and NO on SOD, POD and CAT activities and MDA content and superoxide produce rate of peanut leaves

From: Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L.

Treatments SOD activity (Unit mg-1protein) POD activity (Unit mg-1protein) CAT activity (Unit g-1protein) MDA content (nmol g-1FW) O2·-generation rate (μmol g-1 h-1FW)
CK 2.36 ± 0.08b 0.30 ± 0.04d 0.058 ± 0.003c 34.12 ± 3.98a 6.41 ± 0.52a
EDTA-Fe 2.34 ± 0.07b 0.41 ± 0.03c 0.067 ± 0.002b 19.21 ± 1.64b 4.73 ± 0.47bc
SA 2.52 ± 0.06a 0.47 ± 0.01c 0.069 ± 0.001ab 21.99 ± 3.71b 5.28 ± 0.06ab
SNP 2.52 ± 0.16a 0.50 ± 0.09bc 0.068 ± 0.001ab 19.93 ± 1.93b 4.55 ± 1.31bc
SA+SNP 2.58 ± 0.03a 0.64 ± 0.04a 0.071 ± 0.001a 17.31 ± 0.87b 3.50 ± 0.32c
1/2(SA+SNP) 2.52 ± 0.05a 0.57 ± 0.06ab 0.069 ± 0.002ab 18.77 ± 2.67b 4.40 ± 1.53bc
  1. CK: hydroponic systems; EDTA-Fe: Hoagland nutrient solution containing 0.1 mM EDTA-Fe; SA: hydroponic systems and foliar application of 1.0 mM SA; SNP: hydroponic systems and foliar application of 2.5 mM SNP; SA+SNP: hydroponic systems and foliar application of 1.0 mM SA and 2.5 mM SNP; 1/2(SA+SNP): hydroponic systems and foliar application of 0.5 mM SA and 1.25 mM SNP. Different lower case letters in the same line indicate a significant difference (P < 0.05) between different treatments. Data are means ± SD of three replicate samples per treatment.