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Page 16 of* 23 <br />Management <br />Appendix <br />Perennial peppenveed is most often found in open, unshaded areas on disturbed, and often .aline soils. It is <br />most comnwn in seasonally wet areas from 5.100 to 9.000 feet. Areas along the South Platte River, in the <br />San Luis Vallee are, and communities of the Piccance Bwon of Colorado are susceptible to Perennial <br />pepperweed. Best management IS to treat as soon as found <br />Mechanical Control of Perennial Pepperweed <br />Periodic mowing and spnng burning have reduced perennial pepperweed density in Utah (FE1S 1996) <br />1lerhicides: <br />Chemical Control of Perennial Pepper%wed <br />Metsulfuron at the rate of 0.45 oz. airacre is the most effective herbicide treatment. Dicamba at I lb. <br />aiiacre, glyphosate at I.> lb. ai acre or glyphosatc i 2AD at 54 fl. oz. Productfacre will control perennial <br />pellperwee.d. Other herbicides that proved to he effective include chlorsulfirron and imaYapyr. <br />Perennial peperweed