2010-06-072010-06-071991https://hdl.handle.net/10365/9525The cost of the pest weed leafy spurge in North Dakota was discussed along with attempts to control it's spread are discussed in this article. Picloram (Tordon) appeared to be the most effective herbicide against leafy spurge. In leafy spurge, the deepest translocation (travel/flow) of picloram to the roots appeared to be during the true flowering time and carbohydrate stage.North Dakota State UniversityEuphorbia esulaChemical controlWeed controlHerbicidesArticle