Careful Weed Management the Answer to Rise in Resistance
Resistant weeds are on the rise, but industry experts say growers can take a few key steps to address or avoid resistance in their fields.
Tips on Managing Glyphosate Resistance
Experts suggest the following tips to reduce the impact of resistance in fields:
- Begin with clean fields and control weeds early. Do this via a burndown and/or preemergence application of a residual herbicide.
- Scout your fields regularly, identify weeds and their location in the field, and respond quickly to changes in weed populations. "Growers should scout their fields for changes in weed population — particularly weeds that survive a herbicide application. Even subtle changes can be an early indicator of a potential weed resistance problem and can rapidly become a field- or farm-wide problem if they are not addressed quickly," said Dan Westberg, Ph.D., technical market manager with BASF.
- Institute an integrated weed management program that employs multiple modes of action.
- Follow label directions closely to achieve optimal performance. Pay close attention to rate and timing information.
- Use other agronomic practices, such as crop rotation, cultivation and cleaning of equipment between fields, to diversify your weed control options.
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