Effects of Selected Herbicides on Growth and Nitrogen Fixing Activity of Stenotrophomonas maltophilia (Sb16)


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Polish Journal of Microbiology

Polish Society of Microbiologists

Subject: Microbiology


ISSN: 1733-1331
eISSN: 2544-4646





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VOLUME 65 , ISSUE 3 (August 2016) > List of articles

Effects of Selected Herbicides on Growth and Nitrogen Fixing Activity of Stenotrophomonas maltophilia (Sb16)

Armita Nahi / Radziah Othman * / Dzolkhifli Omar / Mahdi Ebrahimi

Keywords : Stenotrophomonas maltophilia (Sb16), nitrogenase activity, paraquat, pretilachlor, 2, 4-D

Citation Information : Polish Journal of Microbiology. Volume 65, Issue 3, Pages 377-382, DOI: https://doi.org/10.5604/17331331.1215618

License : (CC BY-NC-ND 4.0)

Received Date : 05-July-2015 / Accepted: 11-February-2016 / Published Online: 26-August-2016



A study was carried out to determine the effects of paraquat, pretilachlor and 2, 4-D on growth and nitrogen fixing activity of Stenotropho­monas maltophilia (Sb16) and pH of Jensen’s N-free medium. The growth of Sb16 and pH of medium were significantly reduced with full (X) and double (2X) doses of tested herbicides, but nitrogen fixing activity was decreased by 2X doses. The nitrogenase activity had the highest value in samples treated with 1/2X of 2, 4-D on fifth incubation day, but 2X of 2, 4-D had the most adverse effect. An inhibition in the growth and nitrogenase activity was recovered on the last days of incubation.

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