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Table 2 Heavy metals concentration in the P. vittata roots from different sampling sites

From: Genetic diversity and characterization of arsenic-resistant endophytic bacteria isolated from Pteris vittata, an arsenic hyperaccumulator

Sampling site

Cu (mg kg−1)

Cd (mg kg−1)

Zn (mg kg−1)

Pb (mg kg− 1)

As (mg kg− 1)

S1

11.1 ± 2.03c

8.02 ± 1.03c

157.1 ± 35.2b

93.3 ± 6.03d

31.3 ± 10.2c

S2

65.1 ± 5.12a

37.1 ± 3.12a

974.7 ± 65.5a

587.1 ± 22.1a

308.7 ± 12.3a

S3

57.7 ± 4.22a

31.7 ± 6.12ab

1035.4 ± 34.3a

499.3 ± 23.1b

241.6 ± 23.5a

S4

33.2 ± 7.01b

19.5 ± 5.05bc

984.6 ± 83.1a

162.8 ± 36.2d

102.2 ± 10.4b

S5

42.4 ± 4.21b

24.4 ± 3.22ab

995.1 ± 62.6a

344.6 ± 24.5c

125.2 ± 30.7b

  1. Data are mean ± SE (n = 3); different letters in the same column indicate statistically significant differences (SNK test, P < 0.05)