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TABLE 13-7 HERBICIDE TREATMENT OF NOXIOUS WEEDS AT SENECA II MINE Concern of Species Seneca, Herbicide Rate Timing Coloredo or Routt Black henbane CO 2,4-D Y: pt./Acre Spring Banvel Y: t/Acre Fall Bull thistle CO 2,4•D, Tordon, '/z pt/Acre Spring Banvel '/: t./Acre Fall Canada thistle CO 2,4-D, Tordon, '/~ pt/Acre Spring Banvel '/~ pt./Acre Fall Escort 2 oz./Acre S rin ' Common CO, Seneca Grazon P & D 2 pt./Acre Spring cockleburr 2,4-D '/: L/Acre Common mullein CO, Routt Grezon P & D 4 pt/Acre + surfactan Spring Escort 2 oz./Acre Cully cup gum Seneca Grazon P 8 D 2 pt/Acre Spring weed 2,4A 1 IbJ Acre Cully dock Seneca Grazon P & D Z pt/Acre + surfactan Spring Tordon Dalmatian Routt Tordon 2 qt/Acre Spring toadflax 2,4-D 11b.lAcre+surfactant= Escort Downy brome, CO Roundup 3 oz./Acre Spring cheat ress Field bindweed CO 2,4-D 1 Ib./Acre S rin Hounds tongue CO, Routt 2,4-D 1 Ib./Acre Spring Telar, Escort 2% or 2 oz. with surfactant Kochia CO 2,4-D Y~ t/Acre S rin Lea sure CO, Routt Tordon 2 t/Acre S rin Perennial CO, Routt Escort 2 oz./Acre Spring reseed Russian olive CO Garton 4 5% Stump Treatment S rin Russian thistle CO, Routt 2,4-D '/: t/Acre S rin Scotch thistle Co, Routt Z,4-D '/: pt./Acre Spring Tordon Banvel '/: t/Acre Fall Yellow toadflax Routt Tordon 2 qt./Acre Spring 2, 4-D 1 Ib./Acre + surfactant' Whitetop, Hoary Routt Escort 2 oz./Acre Spring cress 2,4-D '/: t./Acre Notes: Spring Treatment (April, May, June and July) should be done before flower set and while the plant is actively growing. xSurfactant is necessary to increase the efficiency and absorption of the herbicide for most li uid a lications er label instructions. Controlled areas will be monitored for effectiveness of the treatments. The qualitative monitoring will be conducted annually in order to evaluate progress made towards control of identified noxious weed infestations. Follow-up treatments will be conducted as necessary. As new or improved methods of • • controlling noxious weeds become available, SCC will evaluate those methods for incorporation into the • TR37 13-26 Revisetl 04/05