Abstract Background The weed Spermacoce verticillata can be problematic for maize, especially when it is cultivated in the first crop. In this context, it is important to investigate the selectivity of herbicides, as well as their effectiveness. Objective Evaluate the efficacy of atrazine, saflufenacil, flumioxazin, carfentrazone and bentazon in the control of S. verticillata and the potential for damage to maize. Methods The experiment was carried out in a greenhouse, using a completely randomized design, with four replications. Were applied, […]