Activity of Triclopyr Herbicide Enhanced by Combination with Cobalt Chloride or Ammonium Nitrate |
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| Authors: | D. J. Morré J. T. Morré J. Lawrence M. Moini |
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| Affiliation: | (1) Department of Medicinal Chemistry, Purdue University, West Lafayette, IN 47907, USA, US;(2) Department of Chemistry and Biochemistry, the University of Texas at Austin, Austin, TX 78712, USA, US |
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| Abstract: | Cobalt chloride at a rate of 16 oz/acre when combined with the auxin herbicide triclopyr at 1 oz/acre synergistically enhanced the activity of the herbicide. A similar response was elicited by the addition of ammonium nitrate. Mg2+ or Mn2+ was antagonistic. The enhancement of activity by Co2+ or NH+ 4 appeared not to be the result of a simple enhancement of triclopyr uptake by the cations. Triclopyr uptake, as determined by gas chromatography/microwave-induced plasma/chemical reaction interface mass spectroscopy, was unaffected by the cation additions. Received March 31, 1997; accepted March 24, 1998 |
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| Keywords: | . Herbicide— Triclopyr— 2,4-Dichlorophenoxyacetic acid— Cobalt— Ammonium nitrate— Synergism |
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