Mechanism of Phosphate Solubilization and Physiological Functions of Phosphate-Solubilizing Microorganisms - Phosphate Solubilizing Microorganisms - page 39

Table 2.4 Growth-promoting substances produced by plant growth-promoting rhizobacteria
Organisms Growth regulators References

Pseudomonas putida ACC deaminase, IAA, siderophore,

ammonia, HCN,
P-solubilization

Pseudomonas sp., Pseudomonas
fluorescens , Burkholderia glumae

ACC deaminase, IAA, siderophore,
ammonia, HCN,
P-solubilization

Rashid
et al. ( 2012 )

Bacillus ACC deaminase, IAA, siderophore,

P-solubilization, lytic enzyme,
HCN

Kumar
et al. ( 2012 )

Azotobacter IAA, siderophore, P-solubilization Farajzadeh

et al. ( 2012 )

Klebsiella IAA, siderophore, P-solubilization,

HCN

Azotobacter , Fluorescent Pseudomonas ,
and Bacillus

IAA, siderophore, ammonia, HCN,
P-solubilization

Pantoea dispersa strain 1A

P-solubilization, IAA, siderophore,
HCN

Selvakumar
et al. ( 2008a ,
b )

Bacillus spp. IAA, siderophore, HCN Wani

et al. ( 2007d )

Pseudomonas , Bacillus Siderophore, IAA, P-solubilization Rajkumar

et al. ( 2006 )

Brevibacillus sp. IAA Vivas

et al. ( 2006 )

Xanthomonas sp. RJ3, Azomonas sp. RJ4,
Pseudomonas sp. RJ10, Bacillus
sp. RJ31

IAA Sheng and Xia

( 2006 )

Bacillus sp. P-solubilization Canbolat

et al. ( 2006 )

Brevibacterium sp. Siderophore Noordman

et al. ( 2006 )

Bacillus subtilis IAA and P-solubilization Zaidi and Khan

( 2006 )

Variovorax paradoxus , Rhodococcus
sp. and Flavobacterium (Cd tolerant)

IAA and siderophore Belimov

et al. ( 2005 )

Pseudomonas fluorescens IAA, siderophore, P-solubilization Gupta

et al. ( 2005 )

Pseudomonas putida Siderophore Tripathi

et al. ( 2005 )

Azotobacter , fluorescent Pseudomonas IAA

rhizobia (Table 2.5 ) and other compounds and their direct or indirect impact on
plant growth and development are reviewed and discussed briefly in the following
section.