Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 6, Issue 3 (2017)

Functional characterization of various plant growth promoting activity of Pseudomonas fluorescens and Bacillus subtilis from Aloe vera rhizosphere

Author(s): M Syamala and M Sivaji
Abstract: The Plant Growth Promoting Rhizobacteria (PGPR) organisms provide protection to plants against diseases by suppressing deleterious and pathogenic microorganisms producing of hormones, hydrogen cyanide (HCN), various beneficial volatile compounds, siderophores, bacteriocins etc and also act as a bio fertilizer like P solublization, N fixation, IAA production etc…, present research mainly concentrated on exploration of Pseudomonas fluorescens and Bacillus PGP activities like SA, IAA, β 1, 3 glucanase production and P solublization. Around fifty one isolates of Pseudomonas fluorescens and ten Bacillus subtilis isolates were isolated from the rhizosphere soil of Aloe vera, among fifty one Pseudomonas, Pf 32 and followed by Pf 45 produced maximum quantity of salicylic acid (SA), Pf 45 recorded maximum indole acetic acid (IAA) production. The isolate Pf 32 solubilized high phosphorous in the sperber’s hydroxyl apatite medium and higher amount of β 1, 3 glucanase production.
Pages: 120-122  |  628 Views  25 Downloads
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