INTERNATIONAL JOURNAL OF AGRICULTURAL TECHNOLOGY

Volume 16, No. 02, Month MARCH, Year 2020, Pages 429 - 442

Siderophore producing pseudomonas spp. isolated from rhizospheric soil and enhancing iron content in arachis hypogaea l. plant

Subramanium, N. and Sundaram, L.

Abstract Download PDF

Pseudomonas aeruginosa PSA01 and Pseudomonas fluorescences PSF02 were isolated from rhizospheric of agriculture soil Salem district in Tamil Nadu, India, and confirmed species using biochemical test and molecular phylogeny. Both isolates proved to produce siderophore and solubilized phosphate. Pot experiment resulted to promote the growth of Arachis hypogaea. Inoculated PSA01 and PSF02 significantly increased in the root length, shoot length, fresh weight and dry weight, iron and oil content as compared to untreated control. Total chlorophyll and carotenoids content increased in treated plants. Dual culture technique showed a good biocontrol efficiency of PSF02 activity against Fusarium oxysporum. PGPR culture expressed plant growth potential and inhibited phytopathogen could be exploited as effective bioinoculant for sustainable farming of peanut.

Keywords

PGPR, Siderophore, P Solubilization, Plant Growth Promotion, Biocontrol, Arachis hypogaea

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