ArticlePest management science2025
Genetic diversity and population structure of ALS-resistant Amaranthus hybridus across Brazil's primary soybean-growing regions.
Article in Pest management science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors.
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Abstract
backgroundResistance to acetolactate synthase (ALS)-inhibiting herbicides has emerged in Amaranthus hybridus populations across Brazil's soybean-growing regions. To gain insights into the evolutionary origins and spread of resistance, this study (1) investigated the ALS inhibitor resistance mechanisms in nine A. hybridus populations and (2) assessed their genetic diversity, structure, and relatedness.
resultsResistance to the ALS inhibitor chlorimuron in A. hybridus was associated with two distinct target-site mutations: Trp-574-Leu and Asp-376-Glu. Population genetics revealed low levels of genetic diversity (H
conclusionThe results suggest multiple local and independent evolutionary origins of resistance. The spread of resistance is primarily driven by local herbicide selection pressure and gene flow through seed dispersal. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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