Abstract
Siderophore producing bacteria as biocontrol agent may play a pivotal role in controlling several fungal pathogens which causes plant diseases. Fusarium oxysporium f. sp. ciceri (FOC) and Macrophomina phaseolina are major phytopathogens amongst the several constraints affecting the productivity of chickpea in India and other countries in Asia. In the present study, indigenous Bacillus subtilis CTS-G24, (Partial 16 S rRNA sequence of Bacillus subtilis is deposited in GenBank with accession number KF322037) was detected positive for siderophore production. Antiphytopathogenic activity of strain CTS-G24 against wilt and dry root rot causing FOC and M. phaseolina respectively was checked. It was revealed that Hydroxamate type of siderophore was produced by CTS-G24 and 64 % of siderophore units was produced in Succinate medium by Bacillus subtilis CTS-G24. Plant Growth Promoting Rhizobacteria (PGPR) are known to influence plant growth by suppressing plant disease and might be applied in agriculture as an alternative to chemical pesticides for improving the quality and yield of crop. Siderophores produced by Bacillus subtilis has got the potentials to
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