A fast-acting, low odor formulation of the active ingredient quinclorac, Rook™ 4L provides effective, extended residual control of crabgrass and many problem broadleaves. With longer-lasting control and tank-mix options, Rook 4L increases application flexibility. Rook 4L is quickly absorbed into plants and is rainfast in under an hour.
Controls and prevents:
Bindweed, clover, crabgrass, dandelions, foxtail, kikuyugrass, signalgrass, speedwell and torpedo grass on golf courses, sports fields, lawns, landscapes and sod farms.
Available in: 4 x 1 gallons
PDF Downloads:
Rook 4L Bulletin
Rook 4L Label
Rook 4L MSDS
Presentation on Rook 4L
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