Figure 1.
Experimental setup illustrating different treatments.
Ryegrass vegetated in uncontaminated soil (A), ryegrass vegetated in uncontaminated soil and inoculated with Pantoea sp. strain BTRH79 (B), inoculation of Pantoea sp. strain BTRH79 in diesel contaminated soil (C), ryegrass vegetated in diesel contaminated soil (D), ryegrass vegetated in diesel contaminated soil and inoculated with Pantoea sp. strain BTRH79 (E), ryegrass vegetated in diesel contaminated soil treated with lower level of fertilize and inoculated with Pantoea sp. strain BTRH79 (F), and ryegrass vegetated in diesel contaminated soil treated with higher level of fertilizer and inoculated with Pantoea sp. strain BTRH79 (G).
Table 1.
Effect of bacterial inoculation and nutrients on shoot length (SL), shoot and root fresh weight (FW) and dry weight (DW) of ryegrass vegetated in diesel contaminated soil after 100 days of sowing.
Table 2.
Effect of bacterial inoculation and nutrients on average shoot diameter and shoot network length of ryegrass vegetated in diesel contaminated soil after 100 days of sowing.
Table 3.
Effect of nutrients on CFU, abundance and expression of Pantoea sp. strain BTRH79 in the rhizosphere of ryegrass.
Table 4.
Effect of inoculum and nutrients on hydrocarbon degradation.
Figure 2.
Schematic representation of how bacteria containing ACC deaminase activity lower the ethylene concentration and thereby prevent ethylene-caused inhibition of root elongation.
Figure 3.
Ratio of gene expression and gene abundance in the vegetated and unvegetated soil.