Abstract: Background: Corn (Zea mays L.) cultivation plays a fundamental role in the various production chains within agribusiness. Among the factors that significantly interfere with corn cultivation, weeds deserve to be highlighted, as they can cause a reduction of up to 80% in grain yield. It is essential to find post-emergence control alternatives in corn crops, especially with the increase in weeds resistant to glyphosate. Thus, the herbicide glufosinate-ammonium can be an alternative for control weeds in post-emergence in corn. […]