Implementing a diverse set of weed-management tactics is the No. 1, single, most important lesson learned in managing weed resistance to herbicides. Only by implementing diverse weed-management practices will herbicides be conserved as a valuable agricultural resource.
Take action against herbicide-resistant weeds with diversified management strategies focused on reducing weed seed production and the number of weed seeds in the soil seedbank.
Allowing troublesome weeds to survive leads to a troublesome future. It can accelerate the shift in weed populations that favors problematic, difficult-to-control weeds.
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Sustainable herbicide-resistance management requires a much longer-term perspective than that of a single season. Maintaining low weed-seed numbers in the soil seedbank reduces the number of plants that will be exposed to future herbicide treatment and can substantially reduce resistance risk. Thus, there are advantages to controlling weed seed production even if such management might not lead to direct economic benefits in the current season.
Mistakes will be made. Occasionally, weeds will escape even the most advanced management systems. In these situations, take appropriate action to prevent weed seed production or vegetative propagation, including removing plants by hand.