Table 1 Characterization of the Pseudomonas fluorescens strains.

From: The role of ACC deaminase producing bacteria in improving sweet corn (Zea mays L. var saccharata) productivity under limited availability of irrigation water

Strains

Accession number

Synthesized auxin (µg ml−1)

Activity of ACC deaminase enzyme (µmoles mg−1 h−1)

Mineral phosphate solution (ppm)

Production of siderophoresa

P. fluorescens P1

MT949838

7.00 ± 0.02a

3.00 ± 0.012a

538 ± 12a

2.50 ± 0.003a

P. fluorescens P3

MT949840

6.34 ± 0.07b

2.90 ± 0.030b

484 ± 21c

1.70 ± 0.002c

P. fluorescens P8

MT949845

6.38 ± 0.12b

2.99 ± 0.080b

507 ± 4b

1.97 ± 0.005b

P. fluorescens P14

MT949851

5.90 ± 0.05c

2.88 ± 0.040b

405 ± 17d

1.65 ± 0.003d

  1. aHalo diameter to colony diameter after 5 days incubation. Values are means of 3 replicates ± standard error compared by LSD at p ≤ 0.05.
  2. Values followed by the same letter (a–d) within the same column are not significantly different at P = 0.05.
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