Herbicide Tables Active Ingredient metribuzin metribuzin napropamide nicosulfuron norflurazon oxyfluorfen oxyfluorfen paraquat pendimethalin Placement relative to weeds Surface Pre Weeds <3 " Incorp Pre F F G Weeds <3 " G Surface Pre G Surface Pre Weeds <3 " P P Weeds <3 " G G Incorp Pre Weeds <3 " P F Surface Pre F Weeds <3 " F Surface Pre Surface Pre G Weeds <3 " G Weeds <3 " G F F G P G F P G G P G F F G G G F F G G G F P G G G F F P G - G Surface Pre G P-F G Weeds <3 " G P-F G F P G F P G P triflusulfuron Incorp Pre Weeds <3 " G P G F F-G F F F G G G P P G G F F F F G G G F G P-F G P P F G F G G - - - G G phenmedipham Weeds <3 " N N N N N G primisulfuron prometryn prometryn pronamide F pyroxasulfone quinclorac quizalofop rimsulfuron rimsulfuron saflufenacil sethoxydim s-metolachlor sulfentrazone sulfentrazone tembotrione terbacil terbacil tolpyralate topramezone trifluralin G G G G G G G F F P G - G N G G F F G N G F F - - F E E F F F G G G P F G G G G G N G G G G - N F F Surface Pre N N N N N G F-G Weeds <3 " G F-G G Surface Pre G Surface Pre Weeds <3 " Weeds <3 " G G-F Surface Pre G Weeds <3 " F Weeds <3 " Weeds <3 " F F G P F F F-G G G F-G G F G N G F P G P-F G F F G P N - G G G G E G G G P N G G F N G E N N G P G G N P G G G G P G E G E F P F N P-F P-F G N P N F G G G G G P F G G P P G G G F-G N G N F G P G - N N N G N G G F G G G N G N F N P N P F G G G P F G G G P G - N P P G N G F G G G G F G P F G G G G F G F G G P E E E P G - N G G G N G G E G F-G F G G G F G G P G F G F G P G G F F F P - N F F G N P G G G G G F G P F G G P F F F F F N N G N G P F G F F P N F F-G G G N F - - - P P - N N F F F N P P G - G N - N F-G N G N F F G N F - - - P P - N P F G F-G P-F N N N F G G G F G - N N G - F F-G - G N G P G F P F - N N N P F N N G N N F P P P F - N P F N N F-G G F N P P N N N P 66 Midwest Veg Guide 2022 Barnyardgrass Crabgass, Large Fall Panicum Foxtails (green, giant, yellow) Goosegrass Lambsquarters, Common Purslane, Common Ragweed, Common Galinsoga Nightshade Pigweed, Amaranth Smartweeds, Ladysthumb Velvetleaf Jimsonweed Morningglory, Annual Yellow Nutsedge