There are many methods available to control pest plants. Often one method will not be sufficient to control serious weeds, and integrating several methods over a long period will be more successful. This approach is known as integrated weed management.
22. Herbicides
• Post Emergence
• Systemic
• Translocated to growing stems and roots
• Perennial weeds
• Timing and Growth Cycle are Important
• Can pass through natural root grafts
One drop of a translocated
herbicide (2,4-D) placed on a
soybean leaf (left) vs
a contact herbicide (right.)
25. Herbicides
• Safe Use and Handling
• Follow the Label Instructions
• Concentrations
• Application
• Wear proper PPE
• Avoid injuring non-target species
• Receive DPR certification
• Minimize risk to groundwater
• Clean equipment after use