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- Title
Non-Target-Site Resistance to Herbicides: Recent Developments.
- Authors
Jugulam, Mithila; Shyam, Chandrima
- Abstract
Non-target-site resistance (NTSR) to herbicides in weeds can be conferred as a result of the alteration of one or more physiological processes, including herbicide absorption, translocation, sequestration, and metabolism. The mechanisms of NTSR are generally more complex to decipher than target-site resistance (TSR) and can impart cross-resistance to herbicides with different modes of action. Metabolism-based NTSR has been reported in many agriculturally important weeds, although reduced translocation and sequestration of herbicides has also been found in some weeds. This review focuses on summarizing the recent advances in our understanding of the physiological, biochemical, and molecular basis of NTSR mechanisms found in weed species. Further, the importance of examining the co-existence of TSR and NTSR for the same herbicide in the same weed species and influence of environmental conditions in the altering and selection of NTSR is also discussed. Knowledge of the prevalence of NTSR mechanisms and co-existing TSR and NTSR in weeds is crucial for designing sustainable weed management strategies to discourage the further evolution and selection of herbicide resistance in weeds.
- Subjects
HERBICIDE resistance; WEED control; HERBICIDES; SUSTAINABLE design; WEEDS
- Publication
Plants (2223-7747), 2019, Vol 8, Issue 10, p417
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants8100417