Agriculture

A holistic approach in herbicide resistance research and management: from resistance detection to sustainable weed control

C. Liu, L. V. Jackson, et al.

Explore the cutting-edge study on herbicide resistance in *Amaranthus palmeri*, a pressing issue in agriculture. This research, conducted by Chun Liu, Lucy V. Jackson, Sarah-Jane Hutchings, Daniel Tuesca, Raul Moreno, Eddie Mcindoe, and Shiv S. Kaundun, delves into resistance mechanisms and integrates innovative control strategies to ensure sustainable farming practices in Argentina.

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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

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