Resistant Palmer amaranth or pigweed has been garnering the lion’s share of farmers’ attention in recent years.
In some ways, the focus on pigweed has allowed glyphosate-resistant grasses to become a bigger problem in the region.
The University of Tennessee’s Larry Steckel talked about resistance issues in a presentation to The Pesticide Stewardship Alliance Conference in Memphis earlier this year.
See Part II: 'We can't discard any tools for pigweed'
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