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Common <br />Scientific <br />State ID List <br />Culture/Mechanical Control <br />Biological Control <br />Chemical Control <br />Name <br />Name <br />Canada <br />Cirsium arvense <br />B <br />Establish and maintain <br />Not an effective <br />Apply Milestone VM <br />thistle <br />desirable vegetation cover. <br />method of control. <br />(aminopyralid) or Tordon 22k <br />Mow existing thistles at the <br />(picloram) + 2,4-D at spring or <br />early flowering stage. <br />fall. <br />Remove flower heads and <br />ba . <br />Musk thistle <br />Carduus nutans <br />B <br />Establish and maintain <br />Not an effective <br />Apply Milestone VM <br />desirable vegetation cover. <br />method of control. <br />(aminopyralid) Tordon 22k <br />Dig or hand pull at least 3-4 <br />(picloram) + 2,4-D or Telar XP <br />inches of the tap root. <br />(chlorsulf iron) at any time from <br />Remove flower heads and <br />rosette to early flowering stage. <br />bag. <br />Black <br />Hyoscyamus <br />B <br />Establish and maintain <br />Not an effective <br />Metsulfuron (Escort XP) Surfactant <br />Henbane <br />niger <br />desirable vegetation cover. <br />method of control. <br />absolutely necessary. Apply late bolt <br />Hand pull or dig from moist <br />to early flower. <br />soil, so the entire tap root <br />Tordon 22K (Picloram) Apply when <br />system can be removed. <br />soil moisture adequate and weeds <br />rapidly growing. (Late Spring to <br />Early Fall) <br />Scentless <br />Matricaria <br />B <br />Establish and maintain <br />Not an effective <br />Metsulfuron (Escort XP), <br />Chamomile <br />perforata <br />desirable vegetation cover. <br />method of control. <br />Chlorsulfuron (Telar) , <br />Frequent, shallow tillage can <br />Aminopyralid (Milestone) Apply <br />help exhaust the seed bank in <br />when plant is in rosette growth stage. <br />non-native areas. <br />(Spring to Early Summer <br />Anglo Gold Mine Weed Management Plan 14 <br />