Abstract: Background: Beardgrass (Schizachyrium microstachyum) is a perennial weed with high rusticity and prolificacy. Control failures and the significant increase in its migration from native fields to cultivated areas indicate the need for new management strategies. Objective: The goal was to evaluate the control efficacy and emergence of S. microstachyum in response to the application of pre-emergent herbicides, considering the interaction with and without straw cover. Methods: The experiment was conducted in a greenhouse and repeated over two seasons. The […]