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Apply 1 ordon at 0 5 to 1 pint per acre (A), Curtail at 2 quarts/A. Hanvel'Vanquish'C'Iarity at 0.5 to 2 quarts/A, 2,4 -1.) at <br />1 5 to 2 quarts'A. or Ilanvel /VanquishClarity plus 2,4 -1) at 0 5 plus I quart/A. Cool temperatures (below 50 degrees 1 1, <br />particularly in tall. may adversely affect 2.4-1) control of musk thistle. therefore, use 2.4 -1) in sprang. lordon is largely <br />unallcctcd by cool temperatures (;anvcl %Vanquish,C'Iartty cut be adversely atlected but less than 2.4 -1) <br />Uanvel Vanquish t larity plus 2.4-1) work well in spring or tall Apply any of these herbicides before musk thistle Molts <br />or seed production still will occur. <br />>Ils -1 scoot (metsulturoni or (Oar (chlorsulfuron) also can be used list: Velar in noncrop areas only and Ally -1 scoot in <br />pastures. rangeland or noncrop areas. Research from Colorado State t Iniversity and the t iniv ersity of Nebraska shows <br />that I el.ir or Ally -1 scurf prevents or dramatically• reduces viable seed formation when applied in spring, up to early <br />flower growth stages I he latest time to apply these herbicides is when developed tcmiinal flowers have opened up to <br />the site of a done <br />Apply I'etar at 1 ounce.A or Ally- [;scort at 0.5 ounce /A. Add a good agricultural surfactant at 0.25 percent v to Ally - <br />1.scon or 1 elar treatments or control is inadequate. <br />Plumeless thistle <br />