When it comes to targeting tough weeds such as resistant marestail in the fall, the clear choice is the #1 preemerge, Valor Herbicide. It provides excellent residual control and competitive grass performance. And with the crop rotational flexibility of Valor, you can grow your most valuable crop. Now is the time to apply your program – Roundup® + 2,4-D + Valor for fall burndown.To learn more about how to arm yourself against winter weeds, visit www.valent.com/valor.