Author: K. GOVINDARAJAN,
p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 86, Issue: jan-mar,
Azaspirillum cultures were examined for their tolerance to the heavy metal chromium. Different methods of assays were tested to assess the tolerance. The cultures were able to tolerate chromium upto a concentration of 1000-1400 pg ml. The tolerance level was found to be comparatively high in all the cultures examined.
Keywords: Azospirillum. Chromium toxicity, Paper disc assay, Tube dilution assay
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