Disclaimer: Data points were taken from published literature (see reference list). Additional data for Germany were kindly provided by RRAC, CropLife International, Brussels, Belgium; Bayer AG, Monheim, Germany; Dr. Michael Kohn, Rice University, US. Geographical co-ordinates were rounded to a level of uncertainty, which does not allow to conclude on addresses with confirmed resistance on the map. The center of a coloured resistance spot deviates by minimum 2km from the site of resistance sampling.
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