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Table 3 Cell concentration (UFC mL−1) of Azospirillum brasilense strains Ab-V5 e Ab-V6 growing with different carbon sources for 34 days

From: Combining microorganisms in inoculants is agronomically important but industrially challenging: case study of a composite inoculant containing Bradyrhizobium and Azospirillum for the soybean crop

Days

Carbon source

Control

Yeast extract

Sucrose

Glycerol

Mannitol

Glutamic acid

Malic acid

Citric acid

Maleic acid

1

3.99 × 107

6.88 × 108

6.99 × 108

8.66 × 108

5.33 × 108

1.63 × 109

6.55 × 108

5.11 × 108

6.44 × 108

2

5.30 × 107

4.55 × 108

4.10 × 108

1.11 × 108

5.88 × 108

1.58 × 109

5.66 × 108

1.48 × 108

6.11 × 108

3

7.88 × 107

4.10 × 108

3.33 × 108

9.98 × 107

4.21 × 108

1.70 × 109

2.77 × 108

1.07 × 108

5.11 × 108

6

2.22 × 107

2.44 × 108

1.18 × 108

6.75 × 107

4.22 × 108

7.66 × 108

1.41 × 108

4.85 × 106

4.33 × 108

7

6.55 × 106

2.99 × 108

1.02 × 108

7.76 × 107

1.65 × 108

9.86 × 108

9.75 × 107

4.77 × 108

9

a

4.77 × 107

1.01 × 108

6.66 × 106

3.79 × 107

5.12 × 107

8.21 × 107

2.33 × 108

10

4.77 × 107

9.39 × 107

4.21 × 107

8.55 × 107

5.69 × 107

2.99 × 108

13

2.77 × 107

9.63 × 107

2.77 × 107

4.44 × 106

3.33 × 108

1.55 × 108

14

3.77 × 107

7.70 × 107

1.95 × 107

5.66 × 106

8.43 × 107

1.36 × 108

15

3.22 × 107

9.98 × 107

2.44 × 107

4.44 × 106

1.01 × 108

1.65 × 108

18

5.00 × 107

1.07 × 108

1.44 × 107

4.55 × 107

1.39 × 108

21

2.77 × 107

6.66 × 107

1.77 × 107

9.21 × 107

4.44 × 107

22

3.33 × 107

8.44 × 107

2.99 × 107

1.03 × 108

1.04 × 108

23

3.11 × 107

9.63 × 107

2.66 × 107

9.10 × 107

1.05 × 108

27

2.33 × 107

4.77 × 107

1.77 × 107

7.22 × 107

4.88 × 107

28

1.99 × 107

5.88 × 107

2.77 × 107

3.77 × 107

6.66 × 107

30

2.22 × 107

4.66 × 107

2.66 × 107

5.22 × 107

3.88 × 107

31

3.22 × 107

5.44 × 107

1.77 × 107

6.66 × 107

4.22 × 107

34

2.88 × 107

4.55 × 107

1.66 × 107

6.11 × 107

6.55 × 107

  1. aTraces indicate absence of growth