Control of Perennial Broadleaf Weeds in Missouri Field Crops
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Perennials are the most difficult weeds to control in field crops. Perennial plants survive, by definition, for more than two years and usually live for many years. Most perennial plants reproduce by seeds and by structures such as runners, underground structures that are difficult to eliminate. Satisfactory control of perennials usually requires a combination of cultural practices, herbicides and patience. This publication discusses the control of perennial broadleaf weeds.
Archive version. For the most recent information see extension.missouri.edu.