Selection of microorganisms degrading S-Metolachlor herbicide.
Selection of microorganisms degrading S-Metolachlor herbicide.
Author(s): MARTINS, P. F.; MARTINEZ, C. O.; CARVALHO, G. de; CARNEIRO, P. I. B.; AZEVEDO, A. R.; PILEGGI, S. A. V.; MELO, I. S. de; PILEGGI, M.
Summary: The aim of this work was to study herbicide degradation through selected microorganisms from humus and soil subjected to different plantation systems. The following bacterial species were identified: Klebsiella pneumoniae pneumoniae GC s.B strain 1, Pseudomonas alcaligenes, Enterobacter aerogenes GC s.A and Klebsiella pneumoniae pneumoniae GC s.B strain 2. Growth studies yet suggested the possibility of a very long lag phase. Although, culture with the herbicide presented biofilm formation and there were color changes in the herbicide that could have interfered with the espectrophotometry readings. After 5 days of incubation at 35ºC, the difference in the concentration of herbicide was 14.42% on average and after 10 days, 35.01%.
Publication year: 2007
Types of publication: Journal article
Unit: Embrapa Environment
Observation
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