In Vitro Evaluation of Extracellular Enzyme Activity and Its Biocontrol Efficacy of Bacterial Isolates from Pepper Plants for the Management of Phytophthora capsici
Table 1
Antibiotic activity of selected bacterial isolates.
Antibiotics
Enterobacter hormaechei (AAUSR23)
Rhizobium spp. (AAUFE29)
Pseudomonas fluorescens (AAULE41)
AAULE51 (undetermined)
Reference
S
IR
R
Penicillin G (10 units)
R (0 mm)
R (0 mm)
R (0 mm)
R (0 mm)
—
—
—
Amoxicillin (10 μg)
R (5 mm)
R (7 mm)
R (0 mm)
R (0 mm)
>17
14-16
<13
Gentamycin(10 μg)
S (18 mm)
S (16 mm)
R (6 mm)
S (15 mm)
>15
13-15
<12
Cotrimoxazole (25 μg)
R (10 mm)
S (17 mm)
R (6 mm)
R (9 mm)
>16
11-15
<10
Ciprofloxin(5 μg)
S (27 mm)
S (30 mm)
S (31 mm)
S (30 mm)
>26
22-25
<21
Ceftriaxone (30 μg)
R (18 mm)
S (25 mm)
R(2 mm)
R(5 mm)
>23
20-22
<19
Chloramphenicol(30 μg)
R (12 mm)
S (20 mm)
R (13 mm)
I (15 mm)
>18
13-17
<12
Tetracycline (30 μg)
R (0 mm)
R (10 mm)
R (0 mm)
R (12 mm)
>15
12-14
<11
∙ S = sensitive, IR = intermediate resistant, and R = resistant.
