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Abstract
Herbicide resistance in weeds is a significant challenge to agriculture. This study adopts a holistic approach combining resistance confirmation, mechanism investigation, alternative control solutions, and population modeling to manage *Amaranthus palmeri* resistance to glyphosate in Argentinian soybean systems. Resistance was primarily due to a P1065 target-site mutation in the EPSPS gene, with minor contributions from gene duplication/overexpression. Alternative herbicides like fomesafen proved effective. Modeling revealed that single-herbicide use selects for specific resistance mechanisms, highlighting the importance of residual herbicides and chemical diversity for sustainable weed control.
Publisher
Scientific Reports
Published On
Nov 26, 2020
Authors
Chun Liu, Lucy V. Jackson, Sarah-Jane Hutchings, Daniel Tuesca, Raul Moreno, Eddie Mcindoe, Shiv S. Kaundun
Tags
herbicide resistance
Amaranthus palmeri
glyphosate
alternative herbicides
sustainable agriculture
weed management
EPSPS gene

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