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Plant growth promotion mediated by endophytic bacteria. Seedlings of radish were inoculated with a suspension of bacterial cells except for the control (C) and planted in soil. Each variant consisted of four replicates with five seedlings each. Numbers inside the columns represent the mean fresh weight of the root system scored 31 days after inoculation. Bars indicate confidence interval (P = 0.05). The asterisk indicates a significantly different value.
