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Integrated Weed Management recommendations • . <br />CULTURAL <br />Establishment of selected grasses <br />can be an effective cultural control <br />�o <br />�. - •` <br />your • cal Natural Resources Integrated Weed <br />Conservation Service for - • mix Management, - <br />caused r commendations. Maintain healthy <br />pastures and prevent bare spots <br />• • - • • <br />The most effective <br />� prime habitat ' • 'weed invasions. control for Russian <br />0 knap weed is <br />to prevent its <br />• • establishment <br />gall <br />. <br />forming . • • - I <br />.. through proper <br />C� • • • - • . - • for land management. <br />• • , .. • An integrated <br />- • • • • - • .• • weed management <br />Q) - Palisade - • - Colorado approach can be <br />Department • Agriculture, • • • effective when <br />v. dealing with <br />Q Russian knap weed <br />%J It can be managed <br />Q) with herbicides or <br />r-a• <br />insects, but long - <br />term control must <br />MECHANICAL include planting <br />Mowing • _ . • , competitive plant <br />• • - Russian knapweed several . • species to occupy <br />a <br />;forces to _ nutrient reserves bareground once <br />stored - • Combining infested bT the <br />weed. <br />enhance mowing with herbicides will further <br />control of -• • <br />repeatedly during the summer, then <br />apply a herbicide in the fall. <br />HERBICIDES <br />The following are recommendations for herbicides that can be applied to range and pasturelands. <br />Always read, understand, and follow the label directions. Rates are approximate and based on equip- <br />ment with an output of 30 gallons per acre. Please read label for exact rates. The herbicide label is <br />the LAW! <br />�• fir' <br />COL�I,ADO <br />DEPARTMENT OF <br />Nematode photo © Tony Ceasar, Invasive.org. All other photos © Kelly Uhing. AGRICULTURE <br />HERBICIDE RATE APPLICATION TIMING <br />Aminopyralid 4 -6 ounces /acre Apply in the spring and summer to plants in the <br />(Milestone) bud and flowering stage and to dormant plants <br />in the fall. <br />Add non -ionic surfactant @ 0.32oz /gal water <br />or 1 qt /100 gal water. <br />Picloram Jordon 22K 1 qt. /acre Apply in spring to bud /early flower stage and/ <br />*this is a Restricted or or fall rosette. <br />Use Pesticide *) 1 oz /gal water Add non -ionic surfactant @ 0.32oz /gal water <br />or 1qt /100 gal water. <br />Chlorsulfuron (Telar) 1 -3 oz /acre Apply in spring from pre -bloom to bloom and <br />or to fall rosettes. <br />2 grams /3 gallons of Add non -ionic surfactant @ <br />0.32oz /gal water <br />water <br />or lqt /100 gal water. <br />