Table 1 IAA production (µg/ml) at different concentrations of chicken feathers by the strain PF1

8.9 ± 0.7

2.77 ± 0.06

4.75 ± 0.37

6.87 ± 0.66

12.64 ± 1.21*

14.56 ± 1.39*

16.05 ± 2.62*

16.8 ± 1.9

3.33 ± 0.39

7.20 ± 0.55

9.19 ± 0.73

17.5 ± 1.17

27.51 ± 1.28*

28.96 ± 2.98*

25.76 ± 2.4

3.90 ± 0.15

10.26 ± 0.21

11.85 ± 0.57

22.44 ± 0.96

38.50 ± 2.09*

40.08 ± 3.2*

24.6 ± 2.0

4.30 ± 0.55

12.73 ± 0.45

16.46 ± 0.57

27.00 ± 0.84

43.25 ± 2.21*

43.98 ± 2.14*

22.1 ± 1.4

5.46 ± 0.47

15.09 ± 0.80

19.94 ± 0.78

33.66 ± 1.0*

45.37 ± 2.11*

46.2 ± 0.21 *