Table 4.

Antagonistic activity (halo size in cm) of D. helianthi fractions with pathogenic bacteria

Fractions	E. hirae	S. typhi	S. aureus	E. coli	M. luteus	Xanthomonas sp
1	0.0±0.00 d	0.75±0.07 bc	0.75±0.02 b	0.75±0.02 c	0.90±0.14 b	0.0±0.00 f
2	0.0±0.00 d	0.73±0.04 bc	0.72±0.04 b	0.74±0.01 c	0.0±0.00 f	0.83±0.04 c
3	0.0±0.00 d	0.77±0.00 bc	0.74±0.03 b	0.77±0.00 c	0.0±0.00 f	0.0±0.00 f
4	0.0±0.00 d	0.0±0.00 d	0.72±0.02 b	0.80±0.00 c	0.78±0.11 cd	0.0±0.00 f
5	0.0±0.00 d	0.0±0.00 d	0.79±0.08 b	0.78±0.00 c	0.70±0.00 e	0.0±0.00 f
6	0.87±0.06 bc	0.73±0.03 c	0.76±0.05 b	0.73±0.06 c	0.0±0.00 f	0.0±0.00 f
7	0.87±0.03 bc	0.85±0.18 bc	0.77±0.03 b	1.00±0.09 b	0.0±0.00 f	0.95±0.35 b
8	1.06±0.20 b	0.74±0.05 c	0.91±0.10 b	0.76±0.05 c	0.0±0.00 f	0.0±0.00 f
9	0.96±0.15 bc	0.91±0.02 b	0.86±0.13 b	0.80±0.12 c	0.80±0.14 c	0.70±0.00 e
10	0.77±0.09 c	0.70±0.00 c	0.73±0.03 b	0.79±0.09 c	0.72±0.02 de	0.80±0.00 d
Control 1	4.0±0.00 a	3.0±0.00 a	3.42±0.19 a	2.58±0.07 a	3.00±0.00 a	4.00±0.00 a
Control 2	0.0±0.00 d	0.0±0.00 d	0.0±0.00 c	0.0±0.00 d	0.0±0.00 f	0.0±0.00 f
Control 3	0.0±0.00 d	0.0±0.00 d	0.0±0.00 c	0.0±0.00 d	0.0±0.00 f	0.0±0.00 f

Control: 1 – Antibiotic; 2 - Methanol; 3 – Water.

* Means followed by the same letter in the column do not differ among themselves by Tukey’s test (p>0.05)