Geographical distribution and resistance level to chlorimuron of Amaranthus spp. populations in the main soybeans producing regions of Brazil

Background Species of Amaranthus genus are common in agricultural areas Brazil. Such weeds problematic, and they bring complexity to the management mainly due herbicide resistance. Thus, monitoring mapping chlorimuron-resistant spp. is necessary detect resistance different locations Objective Elaborate discriminating dose distinction between populations that susceptible resistant chlorimuron monitor dispersal throughout five crops. Methods 33 pigweed from main [...]