The majority of herbicides used for preemergence annual grass control are dinitroanilines and dithiopyr<BR>DNA’s <BR>Barricade <BR>Pendulum  <BR>Surflan  <BR>Balan <BR>Treflan <BR>Dimension<BR>Best used on established turf. <BR>Mitotic inhibitors. <BR>Immobile in the soil <BR>