Isolates Antibiotics resistance
  Atm Gm Cro Fox Ipm Ma Mem Nor Km Smx Va Bac N Ak Ox
Rl 1 - - + + - - - - - - - - - - -
Rl 2 + + - + + - + - - - - + - - +
Rl 3 + - + + - + + - - + + + - - -
Rl 4 - - - + + - + + - - - - - - -
Rl 5 - - + + - + + - - - + - - - +
Rl 6 + - - + + - + - - - - + - - -
Rl 8 - - + + - - - - - - - - - - -
Rl 10 + - + + - + + - - - - + - - -
Atm = aztreonam, Gm = gentamicin, Cro = ceftriaxone, Fox = cefoxitin, Ipm.= imipenem, Ma = mafenide, Mem = meropenem, Nor = nopeloxacin, Km = kanamycin, Smx = sulphemethoxazole, Va = vancomycin, Bac = bacitracin, N = Neomycin, Ak = amikacin, Ox = oxacillin, (+) = resistant and (-) = sensitive
Table 2: Intrinsic antibiotic sensitivity/resistance of rhizobial isolates.