TABLE 2.
Effects of PSB on wheat germination, vigor index, and root morphology.
| Treatments | Germination (%) | Vigor index | Root length (cm) | Root surface area (cm2) | Root diameter (mm) | Root volume (cm3) | Area of projection (cm2) | Number of root tips | Number of forks | No. of crossings |
| Enterobacter sp. ZW9 | 91.00 ± 4.58 ABC | 2111.00 ± 81.28 D | 68.92 ± 3.85 A | 10.16 ± 0.63 A | 0.54 ± 0.03 C | 0.19 ± 0.010 B | 3.23 ± 0.19 AB | 54.67 ± 3.06 B | 149.67 ± 7.51 A | 17.67 ± 0.76 A |
| Enterobacter sp. ZW32 | 95.00 ± 5.00 AB | 2093.33 ± 95.00 D | 61.20 ± 3.73 B | 9.31 ± 0.39 B | 0.67 ± 0.03 B | 0.19 ± 0.009 B | 2.97 ± 0.13 B | 53.00 ± 2.65 B | 110 ± 5.57.00 B | 11.67 ± 0.76 C |
| Ochrobactrum sp. SSR | 97.33 ± 4.51 A | 2886.00 ± 68.17 A | 69.92 ± 3.08 A | 10.25 ± 0.43 A | 0.77 ± 0.30 A | 0.25 ± 0.013 A | 3.26 ± 0.23 A | 74.67 ± 2.52 A | 116.67 ± 5.51 B | 13.33 ± 0.76 B |
| Enterobacter sp. D1 | 90.00 ± 4.58 BC | 2453.67 ± 68.13 BC | 45.79 ± 2.17 D | 7.04 ± 0.32 D | 0.41 ± 0.02 E | 0.14 ± 0.007 D | 2.24 ± 0.13 D | 40.00 ± 2.00 D | 64.00 ± 3.61 C | 12.00 ± 0.50 C |
| Pantoea sp. S1 | 91.33 ± 4.73 ABC | 2527.33 ± 79.43 B | 56.56 ± 2.80 B | 9.76 ± 0.37 AB | 0.47 ± 0.02 D | 0.17 ± 0.009 C | 3.11 ± 0.20 AB | 48.67 ± 2.52 C | 55.67 ± 2.52 DE | 8.33 ± 0.52 D |
| Bacillus sp. TAYB | 88.00 ± 4.36 BCD | 2355.00 ± 80.01 C | 51.31 ± 2.54 C | 7.97 ± 0.41 C | 0.26 ± 0.01 F | 0.09 ± 0.004 E | 2.54 ± 0.14 C | 51.33 ± 2.08 BC | 62.33 ± 3.51 CD | 8.33 ± 0.52 D |
| Pseudomonas sp. TJA | 84.33 ± 4.04 CD | 1760.67 ± 72.01 E | 49.48 ± 2.61 CD | 7.99 ± 0.35 C | 0.22 ± 0.01 F | 0.13 ± 0.006 D | 2.55 ± 0.08 C | 43.67 ± 2.31 D | 55.67 ± 2.52 DE | 5.97 ± 0.38 E |
| Uninoculated control | 81.33 ± 4.16 D | 1304.00 ± 50.48 F | 37.48 ± 1.54 E | 6.39 ± 0.35 D | 0.12 ± 0.01 G | 0.07 ± 0.003 F | 2.03 ± 0.05 D | 26.00 ± 1.00 E | 50.00 ± 2.65 E | 4.67 ± 0.28 F |
Effect of PSB inoculation on root morphology parameters. Seeds were inoculated with PSB in water agar medium in a plate assay and incubated at room temperature for 7 days. All values are an average of six biological replicates. ± represents standard deviation. Means followed by the same letter differ non-significantly at p = 0.05 according to LSD.