“…This led to several studies aiming to understand the dynamics of biotypes of the species, focusing on their biology or management (Martins et al, 2017;Pereira et al, 2017;Ferreira et al, 2018;Marochi et al, 2018;Silveira et al, 2018). In agricultural fields, treatments based on ACCase-inhibiting herbicides, such as clethodim and haloxyfop-p-methyl, became the most applied because they were considered effective for the control of adult glyphosate-resistant sourgrass plants when combined or not with other management strategies (Cassol et al, 2019;Mendes et al, 2020;Nunes et al, 2021;Raimondi et al, 2020;. However, chemical control actions for resistant sourgrass should include herbicides from other mechanisms of action and not only ACCase inhibitors, or, at least, a rotation of chemical groups (cyclohexanedione and aryloxyphenoxypropionate, for example) in order to delay the cross-resistance selection that occurs to herbicides from different chemical groups but with the same mechanism of action (Vidal et al, 2006;Nunes et al, 2022).…”