Table 2.

Indole acetic acid production (μg/ml) by the isolates at different periods of incubation

Isolate	48 h	96 h	168 h
1	14.77 ± 0.13 ab	26.72 ± 0.12 fg	47± 0.04 fg
2	8.43 ± 0.09 cdefgh	27.57 ± 0.36 fg	49.89 ± 0.16 de
3	12.33 ± 0.25 abcd	24.42 ± 0.48 ijk	42.92 ± 0.08 jk
4	10.63 ± 0.17 bcdef	20.00 ± 0.37 m	39.30 ± 0.50 m
5	5.58 ± 0.30 gh	28.04 ± 0.30 ef	49.89 ± 0.15 de
6	7.79 ± 0.13 efgh	23.66 ± 0.12 jkl	44.79 ± 0.27 hij
7	7.92 ± 0.09 defgh	24.81 ± 0.18 ij	26.93 ± 0.29 r
8	6.68 ± 0.22 fgh	28.81 ± 0.30 de	48.18 ± 0.25 ef
9	10.55 ± 0.26 bcdef	23.06 ± 0.24 kl	46.39 ± 0.25 fgh
10	11.57 ± 0.17 abcde	19.19 ± 0.30 mn	31.45 ± 0.31 p
11	10.38 ± 0.17 bcdef	22.68 ± 0.66 l	35.97 ± 0.21 n
12	11.57 ± 0.17 abcde	24.38 ± 0.54 ijk	46.68 ± 0.42 fg
13	9.62 ± 0.09 cdefgh	18.08 ± 0.30 nop	34.04 ± 0.12 o
14	9.96 ± 0.00 cdefg	24.25 ± 0.24 ijk	46.83 ± 0.27 fg
15	6.98 ± 0.08 fgh	34.98 ± 0.36 a	60.83 ± 0.58 a
16	5.27 ± 4.26 h	24.50 ± 0.11 ij	44.49 ± 0.57 ij
17	10.34 ± 0.12 cdef	26.42 ± 0.29 gh	41.78 ± 0.35 kl
18	11.53 ± 0.21 abcde	22.46 ± 0.59 l	35.41 ± 0.73 no
19	12.08 ± 0.08 abcde	26.76 ± 0.17 fg	45.94 ± 0.38 ghi
20	10.08 ± 0.18 cdef	24.21 ± 0.06 ijk	42.82 ± 0.05 kl
21	11.53 ± 0.30 abcde	32.26 ± 0.12 b	49.18 ± 0.23 de
22	10.94 ± 0.13 bcdef	29.10 ± 0.11 de	46.52 ± 0.44 fgh
23	9.96 ± 0.17 cdefg	31.96 ± 0.42 b	32.14 ± 0.57 p
24	12.38 ± 0.21 abc	31.58 ± 0.36 bc	57.31 ± 0.19 bc
25	11.49 ± 0.25 abcde	29.79 ± 0.24 d	50.42 ± 0.53 d
26	9.82 ± 0.12 cdefg	29.96 ± 0.71 d	55.76 ± 0.51 c
27	12.42 ± 0.17 abcde	27.87 ± 0.06 ef	58.46 ± 0.49 b
28	12.64 ± 0.13 abc	29.45 ± 0.24 d	55.53 ± 0.30 c
29	12.51 ± 0.17 abc	17.79 ± 0.24 op	36.39 ± 0.55 n
30	15.49 ± 0.17 a	20.26 ± 0.30 cd	56.32 ± 0.28 c
31	9.74 ± 0.21 cdefg	26.34 ± 0.18 gh	41.05 ± 0.41 lm
32	9.02 ± 0.17 cdefgh	25.06 ± 0.18 hi	46.81 ± 0.73 fg
33	12.26 ± 0.09 abcd	16.94 ± 0.36 p	25.90 ± 0.40 r
34	10.51 ± 0.30 bcdef	18.43 ± 0.18 no	28.94 ± 0.25 q

Values are expressed as mean ± S.D of triplicates; Values with different letters in the same column are significantly different (P < 0.05)