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Table 2 Influence of initial concentration of quinalphos degradation by Bacillus thuringiensis under submerged culture conditions

From: Influence of environmental factors on biodegradation of quinalphos by Bacillus thuringiensis

Incubation period

Residual concentration of quinalphos in MSM

Day

20 ppm

50 ppm

100 ppm

200 ppm

0

20

50

100

200

2

3.37 ± 0.06a

4.54 ± 0.11a

5.50 ± 0.06a

6.12 ± 0.06a

4

2.30 ± 0.06b

3.22 ± 0.06b

3.00 ± 0.03b

4.75 ± 0.03b

6

2.04 ± 0.05c

2.37 ± 0.06c

2.76 ± 0.06c

3.68 ± 0.06c

8

0.77 ± 0.09d

1.56 ± 0.06d

1.55 ± 0.06d

2.13 ± 0.04d

10

0.53 ± 0.06e

1.07 ± 0.04e

1.25 ± 0.08e

1.64 ± 0.03e

  1. Values labelled with the same letter (a, b, c, d, e) are not statistically significant at P < 0.05