ISSN: 0973-7510
E-ISSN: 2581-690X
The Phototrophic Purple Non Sulfur Bacteria (PPNSB) are the best studied and most diverse group of the phototrophic bacteria. The pigments, metabolites, and nutrients made by PPNSB could give some positive effects on plant growth. The study on detection of growth hormones production from Purple non sulphur bacteria conducted during 2012-2013 in the department of Agricultural Microbiology, University of Agricultural Sciences, Dharwad. The results revealed that totally two hundred isolates of NKPRPPNSB isolates subjected for rapid screening of Indole acetic acid (IAA) and cytokinine production, among them, 20 isolates found efficient for IAA and cytokinine production(. Further, efficient isolates qualitatively tested in HPLC by determining retention time and peak area to calculated the amount of IAA and Cytokinine production. The isolates NKPRPPNSB(H10) was shown IAA production 18 µÀg/ ml with 6.02 min retention time and NKPRPPNSB(S6) isolates produced 43.50 µÀg/ litre of cytokinine with retention time of 3.11 min.
Pigments, Indole acetic acid, Cytokinine, Retention time.
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