Paper
Herbicidal activity, absorption and translocation of clomeprop in plant seedlings.
Published 1988 · Chalermchai Wongwattana, K. Ishizuka
Journal of Weed Science and Technology
1
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Abstract
Clomeprop (2-(2,4-dichloro-3-methylphenoxy) propionanilide, MY-15) is a selective herbicide used for the control of broadleaf and cyperus weeds in rice fields4). Similar to naproanilide1,2,5), clomeprop was hydrolyzed in plants at the acylamide bond resulting in an acid metabolite (2-(2,4-dichloro-3methylphenoxy) propionic acid). The acid metabolite, which is abbreviated DMPA, was reported to have strong herbicidal activity4). This acid metabolite may greatly contribute to the herbicidal activity of clomeprop, and it is not yet clear whether the parent compound itself is herbicidally active or not3). Under these circumstances, comparative studies of the mode of action of this herbicide and the metabolite DMPA in different plant species are needed to clarify the mechanisms of the selective action of clomeprop. The purpose of this study was to examine the inhibitory activity of these two compounds on growth of several plant species, and the absorption and translocation that take place in them.
Clomeprop and its metabolite DMPA show strong herbicidal activity in plant seedlings, with DMPA showing greater absorption and translocation than clomeprop itself.
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