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Reducing the Risks of Herbicide Resistance: Best Management Practices and Recommendations
Herbicides are the foundation of weed control in commercial crop-production systems. However, herbicide-resistant (HR) weed populations are evolving rapidly as a natural response to selectionExpand
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Confirmation and Control of Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) in Arkansas
Failure of glyphosate to control Palmer amaranth was first reported in Arkansas in Mississippi County in June, 2005. The objectives of this research were to (a) confirm glyphosate-resistant PalmerExpand
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Review: Confirmation of Resistance to Herbicides and Evaluation of Resistance Levels
Abstract As cases of resistance to herbicides escalate worldwide, there is increasing demand from growers to test for weed resistance and learn how to manage it. Scientists have developedExpand
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Confirmation and Control of Glyphosate-Resistant Giant Ragweed (Ambrosia trifida) in Tennessee
Abstract Seeds of a suspected glyphosate-resistant giant ragweed biotype from Lauderdale County, TN, were collected from a continuous cotton field in fall 2007 after plants were nonresponsive toExpand
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Comparison of the critical period for weed control in wide- and narrow-row corn
Abstract Field studies were conducted near Blackville, SC, in 2002 and 2003 and near Pendleton, SC, in 2003 to compare the critical period for weed control (CPWC) in narrow- (48 cm) and wide-row (97Expand
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Red Rice (Oryza sativa) Status after 5 Years of Imidazolinone-Resistant Rice Technology in Arkansas
Certified Crop Advisors of Arkansas and members of the Arkansas Crop Consultants Association were surveyed in fall 2006 through direct mail to assess the current situation of the red rice problem andExpand
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Modelling evolution and management of glyphosate resistance in Amaranthus palmeri
A population-based model was developed to simulate the evolution of glyphosate resistance in populations of Amaranthus palmeri. Model parameters were derived from published and unpublished sources,Expand
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Modeling Glyphosate Resistance Management Strategies for Palmer Amaranth (Amaranthus palmeri) in Cotton
Abstract A simulation model is used to explore management options to mitigate risks of glyphosate resistance evolution in Palmer amaranth in glyphosate-resistant cotton in the southern United States.Expand
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Soybean Canopy and Tillage Effects on Emergence of Palmer Amaranth (Amaranthus palmeri) from a Natural Seed Bank
Abstract Field experiments were conducted in 2004, 2005, and 2006, at Pendleton, SC, to determine the effects of soybean canopy and tillage on Palmer amaranth emergence from sites with a uniformExpand
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A Statewide Survey of PPO-Inhibitor Resistance and the Prevalent Target-Site Mechanisms in Palmer amaranth (Amaranthus palmeri) Accessions from Arkansas
Palmer amaranth is one of the most problematic weeds in the midsouthern United States, and the evolution of resistance to protoporphyrinogen oxidase (PPO) inhibitors in biotypes already resistant toExpand
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