Where heavy annual grass pressure is a problem, use a specific preemergence grass herbicide. In sensitive weeds, activity is evident by marginal yellowing, followed by yellowing and browning of the entire leaf. This visible evidence generally occurs within 4 - 7 days after application.
Activity is more rapid at higher temperatures and under good growing conditions.
Weed control under drought conditions may be decreased. Sprays can be applied overall on corn and directed on transplanted tomatoes. Unique Characteristics Combination with triazine herbicides improves total weed control. The stage of the weed, not the stage of the corn, determines application date. This information is provided as a public service, but we cannot guarantee that the information is current or accurate.