I am removing quite a lot of burdock on my property. It is full-grown and just starting to put out blooms (stickers). I would like to just cut off the parts with the stickers and then put Roundup on the stem that is left. Is that a good idea? If not, how should I be removing it? Thank you.
Hennepin County Minnesota
Many practices and herbicides maintain and control common burdock; therefore, with timely weed management activities, common burdock should be relatively easy to control. The following herbicides were listed as having excellent control on common burdock: 2,4-D, MCPA, 2,4-DB, and dicamba. Glyphosate is listed as having good control (Klingman, et al. 1983). For soybeans, 2,4-D ester applied no less than seven days before planting should prove effective. 2,4-D can be used in corn with preplant, pre and post options. Pre plant treatmetns must be applied 7-14 days before planting. Roundup as a burnddown treatment in no-till systems or in glyphosate-resistant crops gives acceptable burdock control. Thorough cultivation should kill most burdock plants. Mowing may prove to be effective method of control as a study in Michigan showed that “defoliated plants generally produced fewer seeds/head, fewer heads/plant and fewer seeds/plant” (Reed and Stephenson 1972, 1973).