Prevalence, spatial structure and evolution of resistance to acetolactate‐synthase (ALS) inhibitors and 2,4‐D in the major weed Papaver rhoeas (L.) assessed using a massive, country‐wide sampling
Axelle Koreki,
Séverine Michel,
Caroline Lebeaux
et al.
Abstract:BACKGROUNDCorn poppy (Papaver rhoeas) is the most damaging broadleaf weed in France. Massively parallel amplicon sequencing was used to investigate the prevalence, mode of evolution and spread of resistance‐endowing ALS alleles in 422 populations randomly sampled throughout poppy's range in France. Bioassays were used to detect resistance to the synthetic auxin 2,4‐D in 43 of these populations.RESULTSA total of 21,100 plants were analysed and 24 mutant ALS alleles carrying an amino‐acid substitution involved o… Show more
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