In vitro sensitivity of wheat triticum aestivum cultivar neepawa and oat avena sativa cultivar terra mitochondria to the selective herbicide diclofop methyl

Cohen, A.S.; Morrison, I.N.

Pesticide Biochemistry and Physiology 16(2): 110-119


ISSN/ISBN: 0048-3575
Accession: 005651321

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Compared to diclofop-methyl (methyl 2- oxidoreductase activities were inhibited by diclofop. Enhanced rates of passive mitochondrial swelling in isotonic KCl medium in the presence of diclofop pointed to a direct influence on the permeability properties of the inner mitochondrial membrane and indicated that membrane disruption could have been a factor in the effects elicited by diclofop on mitochondrial respiration. However, specific interference with mitochondrial functionality apparently is not the primary mechanism of phytotoxicity in susceptible plants.