Table 2 Specific activities of antioxidative enzymes in M. incognita inoculated 60 days old tomato plants treated with S. hydrogenans strain DH-16.
Treatments | Specific activity (Mean ± S.E.) | |||||
---|---|---|---|---|---|---|
Catalase (U/mg protein) | Superoxide dismutase (U/mg protein) | Ascorbate peroxidase (U/mg protein) | Guaiacol peroxidase (U/mg protein) | Polyphenol oxidase (U/mg protein) | Glutathione-s-transferase (U/mg protein) | |
C | 0.0028 ± 0.00024a | 0.0012 ± 0.00095a | 0.0422 ± 0.00940a | 0.8152 ± 0.05150a | 0.2007 ± 0.01712a | 0.2120 ± 0.01188a |
NI | 0.0072 ± 0.00008bc | 0.0035 ± 0.00069a | 0.1415 ± 0.01660bc | 1.8973 ± 0.18550b | 0.2933 ± 0.00800ab | 0.3718 ± 0.00447bc |
CC | 0.0030 ± 0.00005a | 0.0023 ± 0.00019a | 0.1058 ± 0.03220abc | 1.2017 ± 0.16405ab | 0.1851 ± 0.02440a | 0.2883 ± 0.01700ab |
CC + NI | 0.0093 ± 0.00033c | 0.0039 ± 0.00011ab | 0.1902 ± 0.00700 cd | 2.0802 ± 0.07866bc | 0.3211 ± 0.05796abc | 0.4784 ± 0.01386 cd |
S | 0.0033 ± 0.00057a | 0.0084 ± 0.00087c | 0.1481 ± 0.01274bcd | 1.2755 ± 0.22196ab | 0.2375 ± 0.02435ab | 0.1548 ± 0.02393a |
S + NI | 0.0086 ± 0.00011c | 0.0067 ± 0.00045bc | 0.2318 ± 0.02170d | 1.3663 ± 0.16955ab | 0.3531 ± 0.03491abc | 0.4158 ± 0.01625bcd |
E | 0.0049 ± 0.00111ab | 0.0069 ± 0.00074bc | 0.0993 ± 0.01906ab | 2.2171 ± 0.38268bc | 0.4148 ± 0.07108bc | 0.5185 ± 0.07099d |
E + NI | 0.0091 ± 0.00021c | 0.0067 ± 0.00048bc | 0.1758 ± 0.00503bcd | 3.0727 ± 0.22736c | 0.4849 ± 0.00835c | 0.5003 ± 0.01782 cd |
F-value | 36.090** | 16.406** | 11.399** | 12.028** | 7.789** | 21.866** |