Herbicide drift exposure leads to reduced herbicide sensitivity in Amaranthus spp.

ABSTRACT: While the introduction of herbicide tolerant crops provided growers new options to manage weeds, the widespread adoption of these herbicides increased the risk for herbicide spray drift to surrounding vegetation. The impact of herbicide drift in sensitive crops is extensively investigated, whereas scarce information is available on the consequences of herbicide drift in non-target plants. Weeds are often abundant in field margins and ditches surrounding agricultural landscapes. Repeated herbicide drift exposure to weeds could be detrimental to long-term management as numerous weeds evolved herbicide resistance following recurrent-selection with low herbicide rates. The objective of this study was to evaluate if glyphosate, 2,4-D, and dicamba spray drift could select Amaranthus spp. biotype

SUBMITTER: Vieira BC 

PROVIDER: S-EPMC7005892 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature