Abstract Background Weed interference in canola crop causes losses such as reduced grain yield and quality. Objective The aim of this study was to evaluate the efficacy of herbicides applied for weed control in canola and the effect on crop grain yield. Methods Two experiments were installed, first (I) in 2018 crop season, and second (II) in 2019, in completely randomized design, with 17 treatments and four replications each. Experiment I was installed with canola hybrid Hyola 571 CL (Clearfield®), […]