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Page 6 of 23 <br />:appendix I <br />Ally-Escort (metsulfuron) or Telar (chlorsulfuron) also can be used. Use Telar in noncrop areas only and <br />Ally-Escort in pastures, rangeland or noncrop areas. Research h•om Colorado State Univcrsity and tile. <br />University of Nebraska shows that Telar or Ally-Escort prevents or dramatically reduce viable seed <br />formation when applied in spring, up to early flower growth stages. The latest tune to apply these <br />herbicides is when developed tenntnal flowers have opened up to the size of a dirne. <br />Apply l'elar at I ounce, A or Ally-Escort at 0.5 ounce A. Add a good agricultural surfactant at 0.25 percent <br />v/v2 to Ally-Escorl or Telar treatnrents or control is inadequate. <br />Plumeless thistle <br />a <br />Cultural control of Plunleless Thistle <br />Maintaining pasture and rangeland in good condition is a primary factor for Plumeless thistle <br />managentcnt. To favor pasture and rangeland grass growth, do not overgraze. Fertilize only when necessary <br />and according to soil testing recommendations. To successfully manage Plumeless thistle, prevent seed <br />formation. <br />Mechanical control of Plumeless Thistle <br />Plumeless thistle will not tolerate tillage and can be removed easily by severing its root below ground with <br />a shovel or hoe. Mowing can effectively reduce seed output if plants are cut when the terrninal head is in <br />the late-flowering stage. Ciather and burn mowed debris to destroy any seed that has developed. <br />Management