A Non-Metabolic Model of Acifluorfen Activity
Open Access
- 1 August 1987
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung C
- Vol. 42 (7-8) , 813-818
- https://doi.org/10.1515/znc-1987-7-812
Abstract
The para-nitro substituted diphenyl ether herbicides which cause rapid plant pigment photo-bleaching can be divided into two categories: 1. those that have a photosynthetic requirement for activity (e.g. oxyfluorfen) and 2. those that have no apparent metabolic requirement for activity (e.g. acifluorfen). A model is presented for the latter category, in which the diphenyl ether herbicide interacts with carotenoids and/or chlorophyllide in plastid membranes to form a complex which photochemically generates singlet oxygen or lipid-peroxidizing radicals.Keywords
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