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- Hound's Tongue: Biennial <br /> Characteristics: <br /> Two year growth cycle.Grows as a rosette then bolts up to seed production the second year.Seeds are bur <br /> like and spread by sticking to animals and clothing.Poisonous to grazing animals.Rossette leaves are long as <br /> resemble a hounds toungue. Y <br /> 7 <br /> Hound's Tongue Rosette Hound's Tongue mature,w'.th purple Hound's Tongue seeds attached to c'.othng <br /> flowers <br /> Methods of Control: <br /> -Chemical: Spraying should be done priorto seed head production.Control is most effective onthe rosette stage <br /> but will work on mature plants as well before seed production. <br /> -Manual:Mature plants with seeds should be dug up at the root base and bagged. <br /> -Cultural:Checking clothing and equipment for seeds priorto leaving an infested area will reduce the species <br /> spread. <br /> Effective Herbicides:(Application rates should be derIved from product labe s spec f.-c to weed spec es and tank mix.additional products may be used but <br /> shou d be a se'ecvve broad eaf herblr.deto avo;d damage to des'.reb,e grasses) <br /> Milestone(amino pyralid) Using multiple herbicides in a tank mix may increase effectiveness <br /> Chlorsulfron Recommended to use an adjuvant <br /> 2,4-D <br /> FigureS.Specific practices for the control of Hound's Tongue. <br />