Abstract Background 2,4-D is prepared in some formulations that may show differences in selectivity for cultures. Objective The objective of this work was to evaluate the effects of the application of 2,4-D amine and choline salts on the morphophysiology of wheat cultivars. Methods The experiment was conducted in a randomized block design, in a factorial scheme, with four replicates. In factor A, the control without herbicide, 2,4-D amine and choline were allocated, and in factor B, the wheat cultivars (ORS […]