benefin + oryzalin (XL 2G)
Rate 200 lb/a per application with at least 2 months between applications; do not exceed 600 lb/a per year.
Time Apply before target weeds germinate.
Remarks Precisely calibrate application equipment, preferably at half rates, to enable two perpendicular passes for increased accuracy. Inhibits cell division or mitosis, primarily in roots.
Caution Sensitive species include Douglas-fir, eastern hemlock, and begonia.
Site of action (both) Group 3: microtubule assembly inhibitor
Chemical family (both) Dinitroaniline
isoxaben + trifluralin (Snapshot 2.5 TG)
Rate 200 lb/a
Time Apply to soil that is free from weeds and debris. Soil must be settled with water and free of cracks after transplanting.
Remarks Activate within 31 days using 0.5 inch of water or shallow cultivation before weeds begin to emerge. Follow label instructions for repeat treatments.
Caution Do not apply to unrooted liners or cuttings, bedding plants, or new-planted ground covers.
Site of action (isoxaben) Group 21: inhibits cell wall synthesis Site B; (trifluralin) Group 3: microtubule assembly inhibitor
Chemical family (isoxaben) benzamide; (trifluralin) dinitroaniline