Abstract
The effects of 14 herbicides on cellulose decomposition by Sporocytophaga myxococcoides were studied by growing the organism in two different liquid cellulose-mineral salts media in the presence of the test agent and then quantitatively determining the residual cellulose. In the first medium, containing acid-hydrolyzed cellulose, anthrone reagent was used to determine residual carbohydrate. In the second medium, Gooch Pyrex fritted-glass crucibles were used to determine the amount of residual Whatman powdered cellulose. The herbicides used were Atrazine, Simazine, Dacthal, Diuron, Amiben, Banvel-D, Banvel-T,2,3,6-TBA, Dicryl, Maleic Hydrazide, Stam F-34, Zytron, Fenac, and Dalapon. Of these, Zytron appeared to be the most inhibitory to the test bacterium, and was the only compound exhibiting inhibition at a commonly used field rate of application (2 ppm).
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