arginine
decarboxylaseproducing bacteria (ADPB) of
rhizosphere soils,
increased by
strains
• Both bacteria
colonized oilseed
rhizospheric soil
• Both strains
reduced Cd content of root
• Cd translocation
factor reduced
significantly
strain CL-1 than
strain X30
Azotobacter
chroococcum
CAZ3
Capsicum annum
(Chilli)
Ashby's mannitol
medium
IAA,
siderophore,
ACCD,
ammonia
(Maximum
tolerance-μg
mL
À1
)
Cu-1400
Pb-2000
Zea mays
(Maize)
Pot
experiment
• CAZ3 strain
improved growth,
maize yield, presence of both
metals
• Levels of proline,
malondialdehyde
and antioxidant
enzymes in
foliage significantly reduced
• Accumulated
greatest quantities
of metals in roots
than other organs
• In roots, shoots,
kernels metal
concentrations
reduced
Rizvi and
Khan
(2018)
(continued)
22 Beneficial Role of Plant Growth-Promoting Rhizobacteria in Bioremediation of. . .
457
decarboxylaseproducing bacteria (ADPB) of
rhizosphere soils,
increased by
strains
• Both bacteria
colonized oilseed
rhizospheric soil
• Both strains
reduced Cd content of root
• Cd translocation
factor reduced
significantly
strain CL-1 than
strain X30
Azotobacter
chroococcum
CAZ3
Capsicum annum
(Chilli)
Ashby's mannitol
medium
IAA,
siderophore,
ACCD,
ammonia
(Maximum
tolerance-μg
mL
À1
)
Cu-1400
Pb-2000
Zea mays
(Maize)
Pot
experiment
• CAZ3 strain
improved growth,
maize yield, presence of both
metals
• Levels of proline,
malondialdehyde
and antioxidant
enzymes in
foliage significantly reduced
• Accumulated
greatest quantities
of metals in roots
than other organs
• In roots, shoots,
kernels metal
concentrations
reduced
Rizvi and
Khan
(2018)
(continued)
22 Beneficial Role of Plant Growth-Promoting Rhizobacteria in Bioremediation of. . .
457