After planting, the second biggest challenge we face is timely weed control. If you haven’t already made a postemergence application, it might be time to check your fields. Most beans (and weeds) are at stage that might warrant an application.
Table 15 below from the 2023 OSU Weed Control Guide compares the relative effectiveness of herbicides on individual weeds. Ratings indicate the level of control of weeds present at the time of application, and are based on labeled rate and weed size or growth stage.
Click on table to enlarge