Table 2 Physiologic characteristics and antibiogram for the phosphate solubilizing bacteria isolated from rhizosphere of C. papaya L. in both conventional and organic farming systems
From: Crop management as a driving force of plant growth promoting rhizobacteria physiology
| Â | Farming system | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Conventional | Organic | |||||||||||
Enterobacter sp C | Klebsiella sp C1 | Klebsiella sp C2 | Klebsiella sp C3 | B. vietnamiensis C | B.cepacia O | B. vietnamiensis O | Klebsiella sp O1 | Klebsiella sp O2 | Klebsiella sp O3 | Klebsiella sp O4 | Leclercia sp O | |
Physiology | ||||||||||||
 N Fixation | * | * | * | * | ++ | ++ | ++ | * | * | * | * | ++ |
 Siderophore Production | + | + | + | + | + | + | + | + | + | + | + | + |
Antibiotic Resistance | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Metacycline | r | r | r | r | r | r | r | r | r | r | r | nd |
 Ampicillin | r | r | r | r | r | r | r | r | r | r | r | nd |
 Chloramphenicol | s | s | s | s | s | s | s | s | s | s | s | nd |
 Erythromycin | s | s | s | s | s | s | s | s | s | s | s | nd |
 Kanamycin | s | s | s | s | s | s | s | s | s | s | s | nd |
 Tetracycline | s | s | s | s | s | s | s | s | s | s | s | nd |