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Rangeland <br />Rangeland-Pasture Recommendations <br />Russian Knapweed <br />Page 1 of 2 <br />Herbicide Rate Application Time Remarks <br /> Bud to early flower stage Primary use is in range-pasture sites and in non- <br /> and/or fall rosettte. crop areas. Do not use under or near trees. Do not <br /> apply where soils have a rapid to very rapid <br /> permeability (loamy sand to sand) and where the <br /> 1 qt, water level is high. Competition from grasses <br />Tordon 22K + following treatment will aid in control. Grazing <br />+ 1 qt. Restrictions: When applying more than one quart of <br />2,4-D Amine Tordon 22K per acre, do not cut grass for feed <br /> within two weeks after treatment. Meat animals <br /> grazing for up to two weeks after treatment should <br /> be removed from treated areas three days prior to <br /> slaughter. Do not graze lactating dairy animals on <br /> treated areas within two weeks after treatment. Add <br /> non-ionic or silicone surfactant. <br /> Bud to early flower stage Rate recommendation is for use in range-pasture <br /> and/or fall rosette. sites and in non-crop areas. Do not use under or <br />Clarity 1 qt. near trees. Do not apply to soils classified as sand <br />+ + with less than 3% organic matter and where <br />2,4-D Amine 1 qt. groundwater depth is shallow. Grazing Restrictions: <br /> There are no grazing restrictions for animals other <br /> than lactating dairy animals. Add non-ionic or <br /> silicone surfactant. <br /> Bud to early flower stage Apply in enough total spray volume to ensure good <br /> and/or fall rosette. coverage. Do not apply where soils have a rapid to <br /> very rapid permeability (loamy sand to sand) and <br /> where the water level is high. <br /> Pasture/Grazing/Haying Restrictions: Do not graze <br />Curtail 3 cats, lactating dairy cattle in treated areas for 14 days <br /> after application. Remove meat animals from freshly <br /> treated areas 7 days before slaughter. Withdrawal is <br /> not needed if 2 weeks or more have elapsed since <br /> application. Do not cut treated grass for hay within <br /> 30 days after application. Add non-ionic or silicone <br /> surfactant. <br /> Bud to early flower stage For use in range and pasture sites, and non-crop <br />http://www.co,weld.co.us/departments/weed_pest/r knapweed_spray.html 6/20/2005