Figure 5.

Influence of drought stress on the antioxidants activities of the pepper plants inoculated with or without endophyte. MDA refers to extent of lipid peroxidation; O2- refers to superoxide anion. EA = infected with P. resedanum; SA = treated with SA; SA+EA = endophytic fungal associated plants treated with SA. NST, 2-DT, 4-DT and 8-DT represent non-stressed, 2, 4 and 8 days drought stressed plants respectively. The different letter(s) in each stress period showed significant difference (P<0.05) as evaluated by DMRT.

Khan et al. BMC Microbiology 2013 13:51   doi:10.1186/1471-2180-13-51
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