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Herbicide Metabolism: Crop Selectivity, Bioactivation, Weed Resistance, and Regulation

Lookup NU author(s): Dr Alina Goldberg Cavalleri, Dr Nawaporn OnkokesungORCiD, Dr Melissa Brazier-Hicks, Professor Robert Edwards


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© 2019 Weed Science Society of America. Several grass and broadleaf weed species around the world have evolved multiple-herbicide resistance at alarmingly increasing rates. Research on the biochemical and molecular resistance mechanisms of multiple-resistant weed populations indicate a prevalence of herbicide metabolism catalyzed by enzyme systems such as cytochrome P450 monooxygenases and glutathione S-transferases and, to a lesser extent, by glucosyl transferases. A symposium was conducted to gain an understanding of the current state of research on metabolic resistance mechanisms in weed species that pose major management problems around the world. These topics, as well as future directions of investigations that were identified in the symposium, are summarized herein. In addition, the latest information on selected topics such as the role of safeners in inducing crop tolerance to herbicides, selectivity to clomazone, glyphosate metabolism in crops and weeds, and bioactivation of natural molecules is reviewed.

Publication metadata

Author(s): Nandula VK, Riechers DE, Ferhatoglu Y, Barrett M, Duke SO, Dayan FE, Goldberg-Cavalleri A, Tetard-Jones C, Wortley DJ, Onkokesung N, Brazier-Hicks M, Edwards R, Gaines T, Iwakami S, Jugulam M, Ma R

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2018 Annual Meeting of the Weed Science Society of America

Year of Conference: 2019

Pages: 149-175

Online publication date: 25/03/2019

Acceptance date: 29/01/2018

Publisher: Cambridge University Press


DOI: 10.1017/wsc.2018.88

Series Title: Weed Science