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. ! <br />Integrated Weed Management recommendations ; • - - <br />CULTURAL <br />an effective <br />cultural of .d <br />control <br />Contact <br />Conservation <br />• <br />Natural o seed Integrated Weed <br />• <br />• . Management., <br />pastures and prevent bare spots caused <br />by overgrazing. <br />Bare ground is prime Combining <br />ihabitat for <br />" " • invasions. control methods <br />for Canada thistle <br />BIOLOGICAL <br />is imperative. <br />This weed needs <br />Cattle, goats, <br />and sheep will graze on to be continually <br />:4 , t. <br />. ... <br />• • - young stressed, forcing <br />--•� <br />and succulent <br />in the spring. . • • it to exhaust root <br />.� >�.�,'t.,. <br />herbicide • .. o nutrient stores <br />Insects are available but . been and eventually <br />effective. Insects <br />can be obtained at • die. <br />J <br />charee • <br />Colorado -.. • <br />• �� <br />Q <br />Ofall control <br />visit www.colorado.gov/ag/csd for more ethods, <br />V <br />information. <br />prevention is <br />most important, <br />Maintain healthy <br />r <br />MECHANICAL <br />pastures and <br />Due to extensive • system, rangeland and <br />continually <br />V <br />pulling this plant <br />is not . • - option. <br />+ <br />to 21 days throughout <br />be effective o every 10 monitor your <br />property for new <br />V <br />son. Combining <br />mowing with herbicides infestations. <br />will further enhance <br />control of .•. <br />HERBICIDES <br />The following are recommendations <br />for herbicides that be Always <br />can applied to range and pasturelands. read, <br />understand, and follow the label directions. Rates are approximate and based on equipment with an output of <br />30 gallons per acre. Please read <br />label for exact rates. The herbicide <br />label is the LAW! <br />HERBICIDE <br />RATE <br />APPLICATION TIMING <br />Aminopyralid <br />5 -7 ounces /acre <br />Apply in spring at the pre -bud growth stage <br />(Milestone) <br />or <br />and /or to fall regrowth. <br />1 teaspoon /gal water <br />Add non -ionic surfactant 0.32oz/gal water or 1 <br />qt /100 gal water. <br />Chlorsulfuron (Telar <br />1 -3 ounces /acre <br />Apply in spring during bud to bloom stage and/ <br />DF) <br />or <br />or to fall regrowth. <br />0.50 grams /1 gal water <br />Add non -ionic surfactant 0.32oz/gal water or 1 <br />.� <br />qt/ 100 gal water. <br />Clopyralid + 2,4 -D <br />3 pints /acre <br />Apply from rosette to bud stage when all plants <br />(Redeem R &P) <br />or <br />have emerged. Add non -ionic surfactant @ <br />• <br />1.25 oz /gal water <br />0.32oz /gal water or 1 qt /100 gal water. (Spring or <br />Fall) <br />J <br />Picloram (Tordon 22K <br />1 qt /acre <br />Spring -early bud stage and /or fall regrowth. DO <br />*This is a Restricted Use <br />Pesticide *) <br />or <br />1.0 oz /gal water <br />NOT apply near or under trees or where soils <br />have rapid permeability or where water level is <br />COL sic ADO <br />high. Add anon -ionic surfactant @ 0.32oz /gal <br />water or 1 qt/ 100 <br />DEPARTMENT OF <br />r�iRIC1�.TII1�hi <br />Photos © Kell Uhin , Colorado Department of A riculture <br />gal water. <br />