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Table 3 Phosphate-solubilizing activities of the PSB strains

From: Isolation and characterization of phosphate-solubilizing bacteria from rhizosphere of poplar on road verge and their antagonistic potential against various phytopathogens

Mineral PSB isolates

Solubilized phosphate concentration (mg/L)

Organic

PSB isolates

Solubilized phosphate concentration (mg/L)

Ca3(PO4)2

FePO4

AlPO4

Lecithin

Mp1-Ha1

43.40 ± 0.98k

7.46 ± 0.29jkl

19.77 ± 0.11 h

Op1-Ha1

1.52 ± 0.04c

Mp1-Ha3

391.50 ± 0.26b

17.08 ± 0.34a

30.46 ± 0.48b

Op1-Ha2

2.23 ± 0.07b

Mp1-Ha4

355.78 ± 6.26d

12.61 ± 0.15c

27.82 ± 0.11c

Op1-Ha3

0.27 ± 0.03j

Mp1-Ha7

453.33 ± 9.63a

14.36 ± 0.36b

34.16 ± 0.24a

Op1-Ha4

0.51 ± 0.04 h

Mp1-Ha8

322.40 ± 5.03e

6.96 ± 0.52mn

17.96 ± 0.39ij

Op2-Ha3

1.32 ± 0.04d

Mp1-Ha10

150.36 ± 5.64 g

9.25 ± 0.28gh

22.45 ± 0.28f

Op3-Ha3

0.95 ± 0.08e

Mp1-Ha11

227.98 ± 11.05f

11.92 ± 0.29d

26.57 ± 0.23d

Op3-Ha4

0.76 ± 0.04f

Mp1-Ha26

98.54 ± 1.35 h

8.78 ± 0.17i

18.39 ± 0.20i

Op3-Ha5

1.00 ± 0.03e

Mp1-Ha27

33.14 ± 0.04 L

6.69 ± 0.42n

14.64 ± 0.20 m

Op3-Ha6

0.37 ± 0.04i

Mp1-Ha32

95.21 ± 1.12 h

11.25 ± 0.26e

16.22 ± 0.30k

Op4-Ha2

0.67 ± 0.02 fg

Mp2-Ha4

37.02 ± 0.08kl

10.35 ± 0.26f

10.45 ± 0.23p

Op4-Ha3

9.07 ± 0.12a

Mp2-Ha8

37.71 ± 0.12kl

9.42 ± 0.24 g

13.82 ± 0.19n

Op4-Ha4

0.93 ± 0.06e

Mp2-Ha11

373.79 ± 10.24c

8.85 ± 0.09hi

25.28 ± 0.14e

Op4-Ha6

0.63 ± 0.07 g

Mp2-Ha20

56.08 ± 2.38ij

7.41 ± 0.21jkl

15.46 ± 0.24 L

Op4-Ha7

1.28 ± 0.06d

Mp2-Ha21

57.98 ± 0.74ij

7.72 ± 0.07j

17.86 ± 0.05j

  

Mp3-Ha1

36.38 ± 0.006kl

7.65 ± 0.12jk

17.94 ± 0.51ij

  

Mp4-Ha1

51.82 ± 0.35j

8.57 ± 0.27i

21.04 ± 0.28 g

  

Mp4-Ha6

61.11 ± 1.66i

8.79 ± 0.08i

17.55 ± 0.55j

  

Mp4-Ha22

37.35 ± 0.15kl

7.25 ± 0.12klm

15.08 ± 0.06 lm

  

Mp4-Ha28

36.00 ± 0.08kl

7.05 ± 0.27lmn

13.02 ± 0.22o

  

Mp4-Ha30

35.83 ± 0.07 L

10.67 ± 0.26f

15.35 ± 0.25 L

  
  1. Data are means of three replicates ± S. D
  2. Lowercase letters indicate significant differences in each column at P < 0.05 level