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Table 1 <br />Chemical Control Methods <br />C <br />• <br />• <br />Concern of <br />Seneca. <br />Species Colorado or Herbicide <br />Routt <br />Rate Timing <br />Black henbane <br />CO <br />2,4 -D Amine/ Low Vol <br />'/z pt. /ac <br />Spring <br />Ester 6 <br />Banvel <br />'/2 pt. /ac <br />Fall <br />Bull thistle <br />CO <br />2,4 -D, Tordon <br />%z pt/ac <br />Spring* <br />Banvel <br />%Z t. /ac <br />Fall <br />Canada thistle <br />CO <br />2,4 -D, Tordon <br />%2 ptlac <br />Spring <br />Banvel <br />'/2 pt. /ac <br />Fall <br />Escort <br />2 oz. /ac <br />Spring <br />Common <br />CO, Seneca <br />Grazon P &D <br />2 pt. /ac <br />Spring* <br />cockleburr <br />2,4,D <br />'/z pt. /ac <br />Common mullein <br />CO, Routt <br />Grazon P &D <br />4 pt. /ac + <br />Spring <br />Escort <br />2 oz/ac <br />surfactant ** <br />Curly cup gum <br />Seneca <br />Grazon P &D <br />2 pt. /ac <br />Spring <br />weed <br />2,4 -D <br />1 qt /ac <br />Curly dock <br />Seneca <br />Grazon P &D <br />2 pt. /ac + <br />Spring <br />Tordon <br />2 pt/ac <br />surfactant ** <br />Dalmatian <br />Routt <br />Tordon <br />2 qt. /ac <br />Spring <br />toadflax <br />2,4 -D <br />1 qt/ac + <br />Escort <br />2 oz. /ac <br />surfactant ** <br />Downy brome, <br />CO <br />See attached Table 2, Herbicides to control downy brome and <br />cheatgrass <br />Japanese brome at mine sites <br />Field bindweed <br />CO <br />2,4, D <br />1 lb. /ac <br />Spring <br />Japanese brome <br />CO <br />See attached Table 2, Herbicides to control downy brome and <br />Japanese brome at mine sites <br />Kochia <br />CO <br />2,4 -D <br />% pt. /ac <br />Spring <br />Leafy spurge <br />CO, Routt <br />Tordon <br />2 qt. /ac <br />Spring <br />Perennial <br />CO, Routt <br />Escort <br />2 oz. /ac <br />Spring <br />pepperweed <br />Russian olive <br />CO <br />Garlon 4 <br />5% <br />Stump treatment <br />spring <br />Russian thistle <br />CO, Routt <br />2,4 D <br />'/z pt. /ac <br />Spring <br />Scotch thistle <br />CO, Routt <br />2,4 -D <br />'/z pt. /ac <br />Spring <br />Tordon <br />M. pt. /ac <br />Banvel <br />%2 pt. /ac <br />Fall <br />MR-62 <br />1 -1 <br />Revised 05/10 <br />